Extreme all-in-one optimizer for Via Browser: speed boost, ad/tracker block, content spoofing, Chrome-like inspector (Eruda + Quick Inspect), live media URL grabber, turbo parallel downloader, dark mode, video speed controller, custom CSS injector.
// ==UserScript==
// @name Via Ultimate Optimizer & DevTools Suite
// @namespace https://via-ultimate-optimizer.local/
// @version 1.0.0
// @description Extreme all-in-one optimizer for Via Browser: speed boost, ad/tracker block, content spoofing, Chrome-like inspector (Eruda + Quick Inspect), live media URL grabber, turbo parallel downloader, dark mode, video speed controller, custom CSS injector.
// @author You
// @match *://*/*
// @run_at document-start
// @grant none
// ==/UserScript==
(function () {
'use strict';
/* ============================================================
0. CONFIG / SETTINGS STORE
============================================================ */
var STORAGE_KEY = 'via_ultimate_opt_settings_v1';
var DEFAULTS = {
speedBoost: true,
preconnect: true,
lazyImages: true,
reduceMotion: false,
blockAds: true,
darkMode: false,
videoSpeedController: true,
mediaGrabber: true,
spoofUA: false,
uaPreset: 'pixel',
spoofCanvas: false,
spoofWebGL: false,
spoofTimezone: false,
timezoneOffset: 0,
spoofGeo: false,
geoLat: 40.7128,
geoLng: -74.0060,
spoofReferrer: false,
customReferrer: '',
blockWebRTC: false,
customCSS: '',
fabSide: 'right'
};
function loadSettings() {
try {
var raw = localStorage.getItem(STORAGE_KEY);
return Object.assign({}, DEFAULTS, raw ? JSON.parse(raw) : {});
} catch (e) { return Object.assign({}, DEFAULTS); }
}
function saveSettings() { try { localStorage.setItem(STORAGE_KEY, JSON.stringify(CFG)); } catch (e) {} }
var CFG = loadSettings();
var UA_PRESETS = {
pixel: { ua: 'Mozilla/5.0 (Linux; Android 14; Pixel 8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Mobile Safari/537.36', platform: 'Linux armv8l', vendor: 'Google Inc.' },
iphone: { ua: 'Mozilla/5.0 (iPhone; CPU iPhone OS 17_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Mobile/15E148 Safari/604.1', platform: 'iPhone', vendor: 'Apple Computer, Inc.' },
windows: { ua: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36', platform: 'Win32', vendor: 'Google Inc.' },
mac: { ua: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Safari/605.1.15', platform: 'MacIntel', vendor: 'Apple Computer, Inc.' },
bot: { ua: 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)', platform: 'Linux', vendor: '' }
};
var AD_PATTERNS = [
/doubleclick\.net/i, /googlesyndication/i, /google-analytics\.com/i, /googletagmanager/i,
/googleadservices/i, /adservice\./i, /adnxs\.com/i, /taboola/i, /outbrain/i, /criteo/i,
/hotjar/i, /scorecardresearch/i, /moatads/i, /pubmatic/i, /adsystem/i, /amazon-adsystem/i,
/facebook\.net\/.*fbevents/i, /yandex\.ru\/metrika/i, /adform\.net/i, /rubiconproject/i
];
/* ============================================================
1. TOAST HELPER
============================================================ */
function toast(msg, ms) {
ms = ms || 2200;
var t = document.getElementById('via-opt-toast');
if (!t) {
t = document.createElement('div');
t.id = 'via-opt-toast';
(document.body || document.documentElement).appendChild(t);
}
t.textContent = msg;
t.classList.add('show');
clearTimeout(t._timer);
t._timer = setTimeout(function () { t.classList.remove('show'); }, ms);
}
/* ============================================================
2. CONTENT SPOOFING (must run as early as possible)
============================================================ */
function defineGetter(obj, prop, getter) {
try { Object.defineProperty(obj, prop, { get: getter, configurable: true }); } catch (e) {}
}
function applyUASpoof() {
if (!CFG.spoofUA) return;
var p = UA_PRESETS[CFG.uaPreset];
if (!p) return;
defineGetter(navigator, 'userAgent', function () { return p.ua; });
defineGetter(navigator, 'platform', function () { return p.platform; });
defineGetter(navigator, 'vendor', function () { return p.vendor; });
defineGetter(navigator, 'appVersion', function () { return p.ua; });
}
function applyCanvasSpoof() {
if (!CFG.spoofCanvas) return;
try {
var origToDataURL = HTMLCanvasElement.prototype.toDataURL;
HTMLCanvasElement.prototype.toDataURL = function () {
try {
var ctx = this.getContext('2d');
if (ctx) {
var d = ctx.getImageData(0, 0, this.width, this.height);
for (var i = 0; i < d.data.length; i += 101) { d.data[i] = d.data[i] ^ 1; }
ctx.putImageData(d, 0, 0);
}
} catch (e) {}
return origToDataURL.apply(this, arguments);
};
var origGetImageData = CanvasRenderingContext2D.prototype.getImageData;
CanvasRenderingContext2D.prototype.getImageData = function () {
var d = origGetImageData.apply(this, arguments);
for (var i = 0; i < d.data.length; i += 149) { d.data[i] = d.data[i] ^ 1; }
return d;
};
} catch (e) {}
}
function applyWebGLSpoof() {
if (!CFG.spoofWebGL) return;
try {
[window.WebGLRenderingContext, window.WebGL2RenderingContext].forEach(function (Ctx) {
if (!Ctx) return;
var orig = Ctx.prototype.getParameter;
Ctx.prototype.getParameter = function (param) {
if (param === 37445) return 'Intel Inc.';
if (param === 37446) return 'Intel Iris OpenGL Engine';
return orig.apply(this, arguments);
};
});
} catch (e) {}
}
function applyTimezoneSpoof() {
if (!CFG.spoofTimezone) return;
try {
var offset = Number(CFG.timezoneOffset) || 0;
var OrigDate = Date;
Date.prototype.getTimezoneOffset = function () { return offset; };
} catch (e) {}
}
function applyGeoSpoof() {
if (!CFG.spoofGeo || !navigator.geolocation) return;
try {
var fakePos = {
coords: {
latitude: Number(CFG.geoLat), longitude: Number(CFG.geoLng),
accuracy: 10, altitude: null, altitudeAccuracy: null, heading: null, speed: null
},
timestamp: Date.now()
};
navigator.geolocation.getCurrentPosition = function (success) { success && success(fakePos); };
navigator.geolocation.watchPosition = function (success) { success && success(fakePos); return 1; };
} catch (e) {}
}
function applyReferrerSpoof() {
if (!CFG.spoofReferrer) return;
defineGetter(document, 'referrer', function () { return CFG.customReferrer || ''; });
}
function applyWebRTCBlock() {
if (!CFG.blockWebRTC) return;
try {
['RTCPeerConnection', 'webkitRTCPeerConnection', 'mozRTCPeerConnection'].forEach(function (k) {
if (window[k]) {
window[k] = function () { throw new Error('WebRTC disabled by Via Ultimate Optimizer'); };
}
});
} catch (e) {}
}
function initSpoofing() {
applyUASpoof();
applyCanvasSpoof();
applyWebGLSpoof();
applyTimezoneSpoof();
applyGeoSpoof();
applyReferrerSpoof();
applyWebRTCBlock();
}
initSpoofing();
/* ============================================================
3. AD / TRACKER BLOCKER
============================================================ */
function initAdBlock() {
if (!CFG.blockAds) return;
try {
var style = document.createElement('style');
style.textContent = '[class*="ad-banner"],[id*="google_ads"],.adsbygoogle,.ad-container,.sponsored-content,ins.adsbygoogle,[id^="div-gpt-ad"]{display:none !important;}';
document.documentElement.appendChild(style);
} catch (e) {}
function purge(root) {
if (!root.querySelectorAll) return;
root.querySelectorAll('script[src],iframe[src]').forEach(function (el) {
var src = el.src || '';
if (AD_PATTERNS.some(function (p) { return p.test(src); })) el.remove();
});
}
if (document.body) purge(document);
var mo = new MutationObserver(function (muts) {
muts.forEach(function (m) {
m.addedNodes.forEach(function (n) {
if (n.nodeType !== 1) return;
var src = n.src || '';
if ((n.tagName === 'SCRIPT' || n.tagName === 'IFRAME') && AD_PATTERNS.some(function (p) { return p.test(src); })) {
n.remove();
} else {
purge(n);
}
});
});
});
mo.observe(document.documentElement, { childList: true, subtree: true });
}
/* ============================================================
4. SPEED / PAGE LOAD OPTIMIZATION
============================================================ */
function initSpeedBoost() {
if (!CFG.speedBoost) return;
if (CFG.preconnect) {
var hosts = new Set();
document.querySelectorAll('a[href],link[href],script[src],img[src]').forEach(function (el) {
var url = el.href || el.src;
if (!url) return;
try {
var u = new URL(url, location.href);
if (u.origin !== location.origin) hosts.add(u.origin);
} catch (e) {}
});
var count = 0;
hosts.forEach(function (origin) {
if (count++ > 12) return;
try {
var l1 = document.createElement('link'); l1.rel = 'dns-prefetch'; l1.href = origin; document.head.appendChild(l1);
var l2 = document.createElement('link'); l2.rel = 'preconnect'; l2.href = origin; l2.crossOrigin = 'anonymous'; document.head.appendChild(l2);
} catch (e) {}
});
}
if (CFG.lazyImages) {
function lazify(img) {
if (!img.hasAttribute('loading')) img.loading = 'lazy';
img.decoding = 'async';
}
var imgs = document.querySelectorAll('img');
imgs.forEach(function (img, idx) {
if (idx === 0) { try { img.setAttribute('fetchpriority', 'high'); img.loading = 'eager'; } catch (e) {} }
else lazify(img);
});
var mo2 = new MutationObserver(function (muts) {
muts.forEach(function (m) {
m.addedNodes.forEach(function (n) {
if (n.nodeType !== 1) return;
if (n.tagName === 'IMG') lazify(n);
if (n.querySelectorAll) n.querySelectorAll('img').forEach(lazify);
});
});
});
mo2.observe(document.documentElement, { childList: true, subtree: true });
}
if (CFG.reduceMotion) {
var s = document.createElement('style');
s.textContent = '*{animation-duration:.001s !important;transition-duration:.001s !important;scroll-behavior:auto !important;}';
document.documentElement.appendChild(s);
}
}
/* ============================================================
5. DARK MODE
============================================================ */
function initDarkMode() {
if (!CFG.darkMode) return;
var s = document.createElement('style');
s.id = 'via-dark-mode-style';
s.textContent = 'html{filter:invert(1) hue-rotate(180deg) !important;background:#fff;}' +
'img,video,picture,canvas,iframe,svg,[style*="background-image"]{filter:invert(1) hue-rotate(180deg) !important;}';
document.documentElement.appendChild(s);
}
function toggleDarkModeLive(on) {
var s = document.getElementById('via-dark-mode-style');
if (on && !s) { CFG.darkMode = true; initDarkMode(); }
else if (!on && s) { s.remove(); CFG.darkMode = false; }
}
/* ============================================================
6. VIDEO SPEED CONTROLLER
============================================================ */
function initVideoSpeedController() {
if (!CFG.videoSpeedController) return;
document.addEventListener('keydown', function (e) {
var v = document.querySelector('video');
if (!v) return;
if (e.key === '>' || e.key === '.') { v.playbackRate = Math.min(4, +(v.playbackRate + 0.25).toFixed(2)); toast('Speed: ' + v.playbackRate + 'x'); }
if (e.key === '<' || e.key === ',') { v.playbackRate = Math.max(0.25, +(v.playbackRate - 0.25).toFixed(2)); toast('Speed: ' + v.playbackRate + 'x'); }
});
}
function setAllVideoSpeed(rate) {
document.querySelectorAll('video').forEach(function (v) { v.playbackRate = rate; });
toast('Video speed set to ' + rate + 'x');
}
/* ============================================================
7. CUSTOM CSS INJECTOR
============================================================ */
function applyCustomCSS() {
var el = document.getElementById('via-custom-css');
if (!el) {
el = document.createElement('style');
el.id = 'via-custom-css';
document.documentElement.appendChild(el);
}
el.textContent = CFG.customCSS || '';
}
/* ============================================================
8. LIVE MEDIA URL GRABBER
============================================================ */
var capturedMedia = new Map();
var mediaListEl = null;
function formatBytes(bytes) {
if (!bytes) return '?';
var units = ['B', 'KB', 'MB', 'GB'];
var i = 0;
while (bytes >= 1024 && i < units.length - 1) { bytes /= 1024; i++; }
return bytes.toFixed(1) + ' ' + units[i];
}
function registerMedia(url, type, extra) {
if (!url || url.indexOf('data:') === 0) return;
if (!capturedMedia.has(url)) {
capturedMedia.set(url, Object.assign({ type: type, ts: Date.now() }, extra || {}));
renderMediaList();
}
}
function scanMedia(root) {
root = root || document;
if (!root.querySelectorAll) return;
root.querySelectorAll('video,audio').forEach(function (m) {
if (m.currentSrc) registerMedia(m.currentSrc, m.tagName.toLowerCase());
if (m.src) registerMedia(m.src, m.tagName.toLowerCase());
m.querySelectorAll('source[src]').forEach(function (s) { registerMedia(s.src, m.tagName.toLowerCase()); });
});
root.querySelectorAll('img[src]').forEach(function (img) {
if (img.naturalWidth > 80 || !img.complete) registerMedia(img.src, 'image');
});
try {
root.querySelectorAll('*').forEach(function (el) {
var bg = getComputedStyle(el).backgroundImage;
if (bg && bg.indexOf('url(') !== -1) {
var m = bg.match(/url\(["']?([^"')]+)["']?\)/);
if (m) { try { registerMedia(new URL(m[1], location.href).href, 'background'); } catch (e) {} }
}
});
} catch (e) {}
}
(function hookCreateObjectURL() {
try {
var orig = URL.createObjectURL.bind(URL);
URL.createObjectURL = function (obj) {
var url = orig(obj);
try {
if (obj instanceof Blob && obj.type && /^(video|audio|image)/.test(obj.type)) {
registerMedia(url, obj.type.split('/')[0], { size: obj.size, mime: obj.type, blob: true });
}
} catch (e) {}
return url;
};
} catch (e) {}
})();
(function hookPerformanceObserver() {
try {
var po = new PerformanceObserver(function (list) {
list.getEntries().forEach(function (entry) {
if (['video', 'audio', 'img'].indexOf(entry.initiatorType) !== -1 ||
/\.(mp4|m3u8|webm|mp3|m4a|ogg|mov|ts|flac|wav)(\?|$)/i.test(entry.name)) {
registerMedia(entry.name, entry.initiatorType || 'media', { size: entry.transferSize });
}
});
});
po.observe({ type: 'resource', buffered: true });
} catch (e) {}
})();
function initMediaGrabber() {
if (!CFG.mediaGrabber) return;
scanMedia(document);
var mo3 = new MutationObserver(function () { scanMedia(document); });
mo3.observe(document.documentElement, { childList: true, subtree: true, attributes: true, attributeFilter: ['src', 'style'] });
}
function renderMediaList() {
if (!mediaListEl) return;
mediaListEl.innerHTML = '';
if (capturedMedia.size === 0) {
mediaListEl.innerHTML = '<div style="color:#6b7280;font-size:12px;">No media detected yet. Scroll/play media on the page.</div>';
return;
}
var arr = Array.from(capturedMedia.entries()).reverse();
arr.forEach(function (entry) {
var url = entry[0], data = entry[1];
var row = document.createElement('div');
row.className = 'via-opt-media-item';
row.innerHTML =
'<div style="flex:1;overflow:hidden;">' +
'<div style="color:#a78bfa;font-weight:600;">[' + data.type + ']' + (data.size ? ' · ' + formatBytes(data.size) : '') + '</div>' +
'<div style="word-break:break-all;color:#d1d5db;">' + url + '</div>' +
'</div>';
var btns = document.createElement('div');
btns.style.cssText = 'display:flex;flex-direction:column;gap:4px;';
var copyBtn = document.createElement('button');
copyBtn.className = 'via-opt-btn secondary'; copyBtn.textContent = 'Copy';
copyBtn.onclick = function () { copyText(url); toast('URL copied'); };
var openBtn = document.createElement('button');
openBtn.className = 'via-opt-btn secondary'; openBtn.textContent = 'Open';
openBtn.onclick = function () { window.open(url, '_blank'); };
var dlBtn = document.createElement('button');
dlBtn.className = 'via-opt-btn'; dlBtn.textContent = 'Download';
dlBtn.onclick = function () { goToDownloadTab(url); };
btns.appendChild(copyBtn); btns.appendChild(openBtn); btns.appendChild(dlBtn);
row.appendChild(btns);
mediaListEl.appendChild(row);
});
}
function copyText(text) {
try {
navigator.clipboard.writeText(text);
} catch (e) {
var ta = document.createElement('textarea');
ta.value = text; document.body.appendChild(ta); ta.select();
try { document.execCommand('copy'); } catch (e2) {}
ta.remove();
}
}
/* ============================================================
9. TURBO PARALLEL DOWNLOADER
============================================================ */
function filenameFromUrl(url) {
try {
var u = new URL(url);
var parts = u.pathname.split('/');
return decodeURIComponent(parts[parts.length - 1]) || 'download';
} catch (e) { return 'download_' + Date.now(); }
}
function saveBlob(blob, filename) {
var a = document.createElement('a');
var u = URL.createObjectURL(blob);
a.href = u; a.download = filename;
document.body.appendChild(a); a.click(); a.remove();
setTimeout(function () { URL.revokeObjectURL(u); }, 15000);
}
async function simpleDownload(url, onProgress) {
var res = await fetch(url);
var len = +res.headers.get('content-length') || 0;
var reader = res.body.getReader();
var loaded = 0; var parts = [];
while (true) {
var r = await reader.read();
if (r.done) break;
parts.push(r.value); loaded += r.value.length;
if (len && onProgress) onProgress(loaded / len);
}
saveBlob(new Blob(parts), filenameFromUrl(url));
}
async function turboDownload(url, threads, onProgress) {
threads = threads || 4;
try {
var head = await fetch(url, { method: 'HEAD' });
var len = +head.headers.get('content-length');
var acceptRanges = head.headers.get('accept-ranges');
if (!len || acceptRanges !== 'bytes') { return simpleDownload(url, onProgress); }
var chunkSize = Math.ceil(len / threads);
var chunks = new Array(threads);
var loaded = 0;
await Promise.all(Array.from({ length: threads }).map(async function (_, i) {
var start = i * chunkSize;
var end = Math.min(len - 1, start + chunkSize - 1);
var res = await fetch(url, { headers: { Range: 'bytes=' + start + '-' + end } });
var reader = res.body.getReader();
var parts = [];
while (true) {
var r = await reader.read();
if (r.done) break;
parts.push(r.value); loaded += r.value.length;
if (onProgress) onProgress(loaded / len);
}
chunks[i] = new Blob(parts);
}));
saveBlob(new Blob(chunks), filenameFromUrl(url));
} catch (err) {
console.error('Turbo download failed, falling back to simple download', err);
simpleDownload(url, onProgress);
}
}
/* ============================================================
10. INSPECTOR: FULL DEVTOOLS (Eruda) + QUICK INSPECT (offline)
============================================================ */
function loadEruda() {
if (window.eruda) { window.eruda.show(); toast('Inspector shown'); return; }
var s = document.createElement('script');
s.src = 'https://cdn.jsdelivr.net/npm/eruda';
s.onload = function () {
try {
window.eruda.init({ tool: ['console', 'elements', 'network', 'resources', 'info', 'snippets'] });
window.eruda.show();
toast('DevTools ready');
} catch (e) { toast('Inspector init failed'); }
};
s.onerror = function () { toast('Failed to load DevTools (offline?)'); };
document.body.appendChild(s);
}
var quickInspectActive = false, qiOverlay = null, qiInfoBox = null;
function qiEnsure() {
if (!qiOverlay) { qiOverlay = document.createElement('div'); qiOverlay.className = 'via-opt-qi-overlay'; document.body.appendChild(qiOverlay); }
if (!qiInfoBox) { qiInfoBox = document.createElement('div'); qiInfoBox.className = 'via-opt-qi-info'; document.body.appendChild(qiInfoBox); }
}
function qiHighlight(e) {
if (!quickInspectActive) return;
qiEnsure();
var el = e.target;
if (el.closest && el.closest('.via-opt-panel,.via-opt-fab,.via-opt-qi-info')) return;
var r = el.getBoundingClientRect();
qiOverlay.style.cssText = 'position:fixed;left:' + r.left + 'px;top:' + r.top + 'px;width:' + r.width + 'px;height:' + r.height + 'px;background:rgba(59,130,246,.3);border:1px solid #3b82f6;z-index:2147483646;pointer-events:none;display:block;';
var cs = getComputedStyle(el);
qiInfoBox.textContent = '<' + el.tagName.toLowerCase() + '> id="' + el.id + '" class="' + el.className + '" | ' + Math.round(r.width) + 'x' + Math.round(r.height) + ' | font:' + cs.fontSize + ' color:' + cs.color;
qiInfoBox.style.display = 'block';
}
function qiClick(e) {
if (!quickInspectActive) return;
e.preventDefault(); e.stopPropagation();
var el = e.target;
var val = prompt('Edit inline style for <' + el.tagName.toLowerCase() + '>', el.style.cssText || '');
if (val !== null) el.style.cssText = val;
}
function toggleQuickInspect() {
quickInspectActive = !quickInspectActive;
if (quickInspectActive) {
document.addEventListener('mouseover', qiHighlight, true);
document.addEventListener('click', qiClick, true);
toast('Quick Inspect ON — tap any element');
} else {
document.removeEventListener('mouseover', qiHighlight, true);
document.removeEventListener('click', qiClick, true);
if (qiOverlay) qiOverlay.style.display = 'none';
if (qiInfoBox) qiInfoBox.style.display = 'none';
toast('Quick Inspect OFF');
}
}
/* ============================================================
11. FLOATING UI: FAB + TABBED PANEL
============================================================ */
var goToDownloadTabUrl = null;
function goToDownloadTab(url) {
goToDownloadTabUrl = url;
openPanel('download');
}
function injectStyles() {
var css = document.createElement('style');
css.textContent =
'.via-opt-fab{position:fixed;' + (CFG.fabSide === 'left' ? 'left:16px;' : 'right:16px;') + 'bottom:16px;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(0,0,0,.5);z-index:2147483000;cursor:pointer;border:none;}' +
'.via-opt-panel{position:fixed;left:0;right:0;bottom:0;height:84vh;max-height:84vh;background:#0f1420;color:#e5e7eb;border-radius:18px 18px 0 0;box-shadow:0 -8px 30px rgba(0,0,0,.6);z-index:2147483001;display:flex;flex-direction:column;font-family:system-ui,sans-serif;transform:translateY(100%);transition:transform .25s ease;}' +
'.via-opt-panel.open{transform:translateY(0);}' +
'.via-opt-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid #1f2937;}' +
'.via-opt-tabs{display:flex;overflow-x:auto;border-bottom:1px solid #1f2937;}' +
'.via-opt-tab{flex:1;padding:10px 4px;text-align:center;font-size:18px;cursor:pointer;color:#9ca3af;white-space:nowrap;}' +
'.via-opt-tab.active{color:#fff;border-bottom:2px solid #8b5cf6;background:rgba(139,92,246,.08);}' +
'.via-opt-content{flex:1;overflow-y:auto;padding:14px;font-size:13px;}' +
'.via-opt-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid #1f2937;}' +
'.via-opt-row .lbl{flex:1;}' +
'.via-opt-row small{color:#9ca3af;display:block;margin-top:2px;}' +
'.via-opt-btn{background:#8b5cf6;color:#fff;border:none;border-radius:8px;padding:8px 12px;font-size:12px;cursor:pointer;}' +
'.via-opt-btn.secondary{background:#374151;}' +
'.via-opt-btn.block{display:block;width:100%;margin-top:8px;}' +
'.via-opt-input,.via-opt-select,.via-opt-textarea{width:100%;background:#1f2937;color:#fff;border:1px solid #374151;border-radius:6px;padding:7px 8px;font-size:12px;margin-top:4px;box-sizing:border-box;}' +
'.via-opt-textarea{min-height:90px;font-family:monospace;}' +
'.via-opt-media-item{display:flex;gap:8px;align-items:flex-start;padding:8px 0;border-bottom:1px solid #1f2937;font-size:11px;}' +
'.via-opt-progress{height:10px;background:#1f2937;border-radius:6px;overflow:hidden;margin-top:8px;}' +
'.via-opt-progress > div{height:100%;background:linear-gradient(90deg,#8b5cf6,#3b82f6);width:0%;transition:width .15s;}' +
'#via-opt-toast{position:fixed;left:50%;bottom:82px;transform:translate(-50%,20px);background:#111;color:#fff;padding:9px 16px;border-radius:8px;font-size:12px;z-index:2147483647;opacity:0;transition:all .25s;pointer-events:none;}' +
'#via-opt-toast.show{opacity:1;transform:translate(-50%,0);}' +
'.via-opt-qi-overlay{position:fixed;display:none;pointer-events:none;}' +
'.via-opt-qi-info{position:fixed;left:8px;bottom:8px;display:none;max-width:92vw;background:#000;color:#22c55e;font:11px monospace;padding:6px 8px;border-radius:6px;z-index:2147483647;}' +
'.via-opt-switch{width:38px;height:22px;border-radius:11px;background:#374151;position:relative;cursor:pointer;flex-shrink:0;}' +
'.via-opt-switch.on{background:#8b5cf6;}' +
'.via-opt-switch .dot{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .15s;}' +
'.via-opt-switch.on .dot{left:18px;}';
document.documentElement.appendChild(css);
}
function makeSwitch(key, onToggle) {
var sw = document.createElement('div');
sw.className = 'via-opt-switch' + (CFG[key] ? ' on' : '');
sw.innerHTML = '<div class="dot"></div>';
sw.onclick = function () {
CFG[key] = !CFG[key];
sw.classList.toggle('on', CFG[key]);
saveSettings();
if (onToggle) onToggle(CFG[key]);
};
return sw;
}
function makeRow(label, hint, control) {
var row = document.createElement('div');
row.className = 'via-opt-row';
var lbl = document.createElement('div');
lbl.className = 'lbl';
lbl.innerHTML = label + (hint ? '<small>' + hint + '</small>' : '');
row.appendChild(lbl);
row.appendChild(control);
return row;
}
var panelEl, contentEl, tabsEl;
var TABS = [
{ id: 'home', icon: '🏠', render: renderHome },
{ id: 'media', icon: '🎬', render: renderMedia },
{ id: 'download', icon: '⬇', render: renderDownload },
{ id: 'spoof', icon: '🎭', render: renderSpoof },
{ id: 'inspect', icon: '🔍', render: renderInspect },
{ id: 'settings', icon: '⚙', render: renderSettings }
];
var activeTab = 'home';
function buildUI() {
injectStyles();
var fab = document.createElement('button');
fab.className = 'via-opt-fab';
fab.textContent = '⚡';
fab.onclick = function () { openPanel(activeTab); };
document.body.appendChild(fab);
panelEl = document.createElement('div');
panelEl.className = 'via-opt-panel';
panelEl.innerHTML =
'<div class="via-opt-header">' +
'<b style="color:#fff;">⚡ Via Ultimate Optimizer</b>' +
'<button class="via-opt-btn secondary" id="via-opt-close">✕ Close</button>' +
'</div>';
tabsEl = document.createElement('div');
tabsEl.className = 'via-opt-tabs';
TABS.forEach(function (t) {
var el = document.createElement('div');
el.className = 'via-opt-tab' + (t.id === activeTab ? ' active' : '');
el.textContent = t.icon;
el.onclick = function () { switchTab(t.id); };
el.dataset.tab = t.id;
tabsEl.appendChild(el);
});
panelEl.appendChild(tabsEl);
contentEl = document.createElement('div');
contentEl.className = 'via-opt-content';
panelEl.appendChild(contentEl);
document.body.appendChild(panelEl);
panelEl.querySelector('#via-opt-close').onclick = function () { panelEl.classList.remove('open'); };
switchTab('home');
}
function openPanel(tabId) {
if (!panelEl) buildUI();
switchTab(tabId || 'home');
panelEl.classList.add('open');
}
function switchTab(id) {
activeTab = id;
Array.from(tabsEl.children).forEach(function (el) { el.classList.toggle('active', el.dataset.tab === id); });
var tab = TABS.filter(function (t) { return t.id === id; })[0];
contentEl.innerHTML = '';
if (tab) tab.render(contentEl);
}
function renderHome(c) {
c.appendChild(makeRow('⚡ Speed Boost', 'Preconnect + lazy images + defer', makeSwitch('speedBoost', function () { toast('Reload page to fully apply'); })));
c.appendChild(makeRow('🚫 Ad/Tracker Block', 'Remove known ad/tracker scripts', makeSwitch('blockAds', function () { toast('Reload page to fully apply'); })));
c.appendChild(makeRow('🌙 Dark Mode', 'Invert-filter dark theme', makeSwitch('darkMode', toggleDarkModeLive)));
c.appendChild(makeRow('🎞 Reduce Motion', 'Kill animations/transitions', makeSwitch('reduceMotion', function () { toast('Reload page to fully apply'); })));
c.appendChild(makeRow('🎬 Media Grabber', 'Live-scan media URLs', makeSwitch('mediaGrabber', function () { toast('Reload page to fully apply'); })));
c.appendChild(makeRow('🎚 Video Speed Ctrl', 'Use < / > keys on video', makeSwitch('videoSpeedController', function () { toast('Reload page to fully apply'); })));
var speedRow = document.createElement('div');
speedRow.style.marginTop = '14px';
speedRow.innerHTML = '<div class="lbl" style="margin-bottom:6px;">Quick video speed</div>';
var wrap = document.createElement('div');
wrap.style.cssText = 'display:flex;gap:6px;flex-wrap:wrap;';
[0.5, 1, 1.5, 2, 3].forEach(function (r) {
var b = document.createElement('button');
b.className = 'via-opt-btn secondary';
b.textContent = r + 'x';
b.onclick = function () { setAllVideoSpeed(r); };
wrap.appendChild(b);
});
speedRow.appendChild(wrap);
c.appendChild(speedRow);
var reload = document.createElement('button');
reload.className = 'via-opt-btn block';
reload.textContent = '🔄 Reload page now';
reload.onclick = function () { location.reload(); };
c.appendChild(reload);
}
function renderMedia(c) {
var toolbar = document.createElement('div');
toolbar.style.cssText = 'display:flex;gap:8px;margin-bottom:10px;';
var scanBtn = document.createElement('button'); scanBtn.className = 'via-opt-btn'; scanBtn.textContent = '🔄 Rescan';
scanBtn.onclick = function () { scanMedia(document); toast('Rescanned page'); };
var copyAllBtn = document.createElement('button'); copyAllBtn.className = 'via-opt-btn secondary'; copyAllBtn.textContent = '📋 Copy All';
copyAllBtn.onclick = function () { copyText(Array.from(capturedMedia.keys()).join('\\n')); toast('All URLs copied'); };
var clearBtn = document.createElement('button'); clearBtn.className = 'via-opt-btn secondary'; clearBtn.textContent = '🗑 Clear';
clearBtn.onclick = function () { capturedMedia.clear(); renderMediaList(); };
toolbar.appendChild(scanBtn); toolbar.appendChild(copyAllBtn); toolbar.appendChild(clearBtn);
c.appendChild(toolbar);
mediaListEl = document.createElement('div');
c.appendChild(mediaListEl);
renderMediaList();
}
function renderDownload(c) {
c.innerHTML =
'<div class="lbl">Direct file URL</div>' +
'<input class="via-opt-input" id="via-opt-dl-url" placeholder="https://example.com/file.mp4" />' +
'<div class="lbl" style="margin-top:10px;">Threads</div>' +
'<select class="via-opt-select" id="via-opt-dl-threads">' +
'<option value="1">1 (normal)</option>' +
'<option value="4" selected>4 (fast)</option>' +
'<option value="8">8 (turbo)</option>' +
'<option value="16">16 (max)</option>' +
'</select>' +
'<button class="via-opt-btn block" id="via-opt-dl-start">⬇ Start Turbo Download</button>' +
'<div class="via-opt-progress"><div id="via-opt-dl-bar"></div></div>' +
'<div id="via-opt-dl-status" style="margin-top:6px;color:#9ca3af;font-size:11px;"></div>';
var urlInput = c.querySelector('#via-opt-dl-url');
if (goToDownloadTabUrl) { urlInput.value = goToDownloadTabUrl; goToDownloadTabUrl = null; }
c.querySelector('#via-opt-dl-start').onclick = function () {
var url = urlInput.value.trim();
if (!url) { toast('Enter a URL first'); return; }
var threads = +c.querySelector('#via-opt-dl-threads').value;
var bar = c.querySelector('#via-opt-dl-bar');
var status = c.querySelector('#via-opt-dl-status');
var startTime = Date.now();
status.textContent = 'Starting…';
turboDownload(url, threads, function (pct) {
bar.style.width = (pct * 100).toFixed(1) + '%';
var elapsed = (Date.now() - startTime) / 1000;
status.textContent = (pct * 100).toFixed(1) + '% · ' + elapsed.toFixed(1) + 's elapsed';
}).then(function () {
status.textContent = '✅ Download complete!';
toast('Download saved');
});
};
}
function renderSpoof(c) {
c.appendChild(makeRow('🎭 Spoof User-Agent', '', makeSwitch('spoofUA')));
var uaSel = document.createElement('select');
uaSel.className = 'via-opt-select';
Object.keys(UA_PRESETS).forEach(function (k) {
var o = document.createElement('option'); o.value = k; o.textContent = k;
if (CFG.uaPreset === k) o.selected = true;
uaSel.appendChild(o);
});
uaSel.onchange = function () { CFG.uaPreset = uaSel.value; saveSettings(); };
c.appendChild(uaSel);
c.appendChild(makeRow('🖼 Canvas noise', 'Anti-fingerprint', makeSwitch('spoofCanvas')));
c.appendChild(makeRow('🎮 WebGL spoof', 'Fake GPU vendor/renderer', makeSwitch('spoofWebGL')));
c.appendChild(makeRow('🕒 Spoof timezone', '', makeSwitch('spoofTimezone')));
var tzInput = document.createElement('input');
tzInput.className = 'via-opt-input'; tzInput.type = 'number'; tzInput.placeholder = 'Offset in minutes e.g. -120';
tzInput.value = CFG.timezoneOffset;
tzInput.onchange = function () { CFG.timezoneOffset = +tzInput.value; saveSettings(); };
c.appendChild(tzInput);
c.appendChild(makeRow('📍 Fake geolocation', '', makeSwitch('spoofGeo')));
var geoWrap = document.createElement('div'); geoWrap.style.cssText = 'display:flex;gap:6px;';
var latInput = document.createElement('input'); latInput.className = 'via-opt-input'; latInput.placeholder = 'Lat'; latInput.value = CFG.geoLat;
var lngInput = document.createElement('input'); lngInput.className = 'via-opt-input'; lngInput.placeholder = 'Lng'; lngInput.value = CFG.geoLng;
latInput.onchange = function () { CFG.geoLat = +latInput.value; saveSettings(); };
lngInput.onchange = function () { CFG.geoLng = +lngInput.value; saveSettings(); };
geoWrap.appendChild(latInput); geoWrap.appendChild(lngInput);
c.appendChild(geoWrap);
c.appendChild(makeRow('🔗 Spoof referrer', '', makeSwitch('spoofReferrer')));
var refInput = document.createElement('input');
refInput.className = 'via-opt-input'; refInput.placeholder = 'https://google.com/';
refInput.value = CFG.customReferrer;
refInput.onchange = function () { CFG.customReferrer = refInput.value; saveSettings(); };
c.appendChild(refInput);
c.appendChild(makeRow('📡 Block WebRTC leak', 'Prevents local IP exposure', makeSwitch('blockWebRTC')));
var note = document.createElement('div');
note.style.cssText = 'color:#f59e0b;font-size:11px;margin-top:10px;';
note.textContent = '⚠ Spoofing settings apply on next page load (document-start).';
c.appendChild(note);
var reload = document.createElement('button');
reload.className = 'via-opt-btn block';
reload.textContent = '🔄 Apply & Reload';
reload.onclick = function () { location.reload(); };
c.appendChild(reload);
}
function renderInspect(c) {
c.innerHTML =
'<div class="lbl" style="margin-bottom:10px;">Full Chrome-style DevTools (Elements, Console, Network, Storage, Resources) powered by Eruda.</div>' +
'<button class="via-opt-btn block" id="via-opt-eruda">🔍 Launch Full DevTools</button>' +
'<div class="lbl" style="margin-top:16px;margin-bottom:6px;">Offline element inspector — works without internet. Tap an element to view & edit its inline style.</div>' +
'<button class="via-opt-btn secondary block" id="via-opt-qi">🎯 Toggle Quick Inspect</button>';
c.querySelector('#via-opt-eruda').onclick = loadEruda;
c.querySelector('#via-opt-qi').onclick = toggleQuickInspect;
}
function renderSettings(c) {
c.innerHTML =
'<div class="lbl">Custom CSS (applies live to this site)</div>' +
'<textarea class="via-opt-textarea" id="via-opt-css" placeholder="body{ font-size:18px; }">' + (CFG.customCSS || '') + '</textarea>' +
'<button class="via-opt-btn block" id="via-opt-css-apply">✅ Apply CSS</button>' +
'<div style="margin-top:16px;display:flex;gap:8px;">' +
'<button class="via-opt-btn secondary" id="via-opt-export">⬆ Export Settings</button>' +
'<label class="via-opt-btn secondary" style="cursor:pointer;">⬇ Import<input type="file" id="via-opt-import" accept=".json" style="display:none;"></label>' +
'</div>' +
'<button class="via-opt-btn block" id="via-opt-reset" style="background:#dc2626;margin-top:10px;">♻ Reset All Settings</button>' +
'<div style="margin-top:16px;color:#6b7280;font-size:11px;">Via Ultimate Optimizer v1.0.0 — settings stored locally in this browser only.</div>';
c.querySelector('#via-opt-css-apply').onclick = function () {
CFG.customCSS = c.querySelector('#via-opt-css').value;
saveSettings(); applyCustomCSS(); toast('CSS applied');
};
c.querySelector('#via-opt-export').onclick = function () {
var blob = new Blob([JSON.stringify(CFG, null, 2)], { type: 'application/json' });
saveBlob(blob, 'via-optimizer-settings.json');
};
c.querySelector('#via-opt-import').onchange = function (e) {
var file = e.target.files[0]; if (!file) return;
var reader = new FileReader();
reader.onload = function () {
try { CFG = Object.assign({}, DEFAULTS, JSON.parse(reader.result)); saveSettings(); toast('Imported! Reloading…'); setTimeout(function () { location.reload(); }, 800); }
catch (e2) { toast('Invalid settings file'); }
};
reader.readAsText(file);
};
c.querySelector('#via-opt-reset').onclick = function () {
if (confirm('Reset all Via Ultimate Optimizer settings?')) {
localStorage.removeItem(STORAGE_KEY);
toast('Reset! Reloading…');
setTimeout(function () { location.reload(); }, 700);
}
};
}
/* ============================================================
12. BOOTSTRAP
============================================================ */
function boot() {
initAdBlock();
initSpeedBoost();
initDarkMode();
initVideoSpeedController();
applyCustomCSS();
initMediaGrabber();
buildUI();
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', boot);
} else {
boot();
}
})();