Copy current page as LLM-friendly format using Jina Reader API
// ==UserScript==
// @name Jina Reader - Copy LLM Format
// @namespace https://github.com/kouni/jinasnap
// @version 2.1.6
// @description Copy current page as LLM-friendly format using Jina Reader API
// @author Kouni
// @license GPL-2.0-or-later
// @match *://*/*
// @grant GM_xmlhttpRequest
// @grant GM_setClipboard
// @grant GM_registerMenuCommand
// @connect r.jina.ai
// ==/UserScript==
(function() {
'use strict';
// Configuration
const CONFIG = {
API_ENDPOINT: 'https://r.jina.ai/',
TIMEOUT: 30000,
NOTIFICATION_DURATION: 3000,
FADE_DURATION: 300,
MIN_CONTENT_LENGTH: 10,
REJECT_PATTERNS: [
'page not found',
'error 404',
'error 403',
'error 500',
'access denied',
'unauthorized',
'forbidden',
'protected by recaptcha',
'captcha verification required',
'please verify you are human',
'authentication required',
'login required'
]
};
// State management
let isProcessing = false;
let currentNotification = null;
// Inject CSS styles
function injectStyles() {
const style = document.createElement('style');
style.textContent = `
.jina-reader-notification {
position: fixed;
top: 20px;
right: 20px;
z-index: 10000;
padding: 12px 16px;
border-radius: 6px;
font-size: 14px;
font-weight: 500;
box-shadow: 0 4px 12px rgba(0,0,0,0.2);
transition: opacity ${CONFIG.FADE_DURATION}ms ease;
opacity: 1;
}
.jina-reader-notification.jina-reader-success {
background: #d4edda; color: #155724; border: 1px solid #c3e6cb;
}
.jina-reader-notification.jina-reader-error {
background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb;
}
.jina-reader-notification.jina-reader-warning {
background: #fff3cd; color: #856404; border: 1px solid #ffeaa7;
}
.jina-reader-notification.jina-reader-info {
background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb;
}
`;
document.head.appendChild(style);
}
// Register menu command
GM_registerMenuCommand('📄 Copy as LLM Format', copyCurrentPage);
// Main function to copy current page
function copyCurrentPage() {
// Prevent multiple simultaneous requests
if (isProcessing) {
showNotification('⚠️ Request already in progress...', 'warning');
return;
}
isProcessing = true;
const currentUrl = window.top.location.href;
showNotification('🔄 Converting page...', 'info');
logDebug('Starting conversion for URL:', currentUrl);
GM_xmlhttpRequest({
method: 'GET',
url: CONFIG.API_ENDPOINT + currentUrl,
headers: {
'Accept': 'text/plain',
'User-Agent': 'Mozilla/5.0 (compatible; Jina-Reader-UserScript)'
},
timeout: CONFIG.TIMEOUT,
onload: function(response) {
isProcessing = false;
handleApiResponse(response);
},
onerror: function(error) {
isProcessing = false;
logError('Network error:', error);
showNotification('❌ Network error occurred', 'error');
},
ontimeout: function() {
isProcessing = false;
logError('Request timeout for URL:', currentUrl);
showNotification('❌ Request timeout', 'error');
}
});
}
// Handle API response
function handleApiResponse(response) {
logDebug('API response status:', response.status);
if (response.status === 200) {
const content = response.responseText;
// Validate content
if (!isValidContent(content)) {
logError('Invalid content received:', content.substring(0, 100));
showNotification('❌ Invalid or empty response', 'error');
return;
}
GM_setClipboard(content);
showNotification('✅ Content copied to clipboard!', 'success');
logDebug('Content copied successfully, length:', content.length);
} else {
logError('API error, status:', response.status);
showNotification(`❌ Failed to convert page (${response.status})`, 'error');
}
}
// Validate content
function isValidContent(content) {
if (!content || typeof content !== 'string') {
return false;
}
const trimmed = content.trim();
const lowerContent = trimmed.toLowerCase();
// Check minimum length
if (trimmed.length < CONFIG.MIN_CONTENT_LENGTH) {
return false;
}
// Only reject obvious error/protected pages
for (const pattern of CONFIG.REJECT_PATTERNS) {
if (lowerContent.includes(pattern)) {
return false;
}
}
return true;
}
// Debug logging
function logDebug(message, ...args) {
console.log(`[Jina Reader] ${message}`, ...args);
}
// Error logging
function logError(message, ...args) {
console.error(`[Jina Reader] ${message}`, ...args);
}
// Show notification with deduplication
function showNotification(message, type = 'info') {
// Clear existing notification
if (currentNotification && document.body.contains(currentNotification)) {
document.body.removeChild(currentNotification);
}
const notification = document.createElement('div');
notification.className = `jina-reader-notification jina-reader-${type}`;
notification.textContent = message;
document.body.appendChild(notification);
// Store reference to current notification
currentNotification = notification;
// Auto-dismiss after configured duration
setTimeout(() => {
if (currentNotification === notification) {
notification.style.opacity = '0';
setTimeout(() => {
if (document.body.contains(notification)) {
document.body.removeChild(notification);
}
if (currentNotification === notification) {
currentNotification = null;
}
}, CONFIG.FADE_DURATION);
}
}, CONFIG.NOTIFICATION_DURATION);
}
// Keyboard shortcut (Ctrl/Cmd + Shift + R)
document.addEventListener('keydown', function(e) {
if ((e.ctrlKey || e.metaKey) && e.shiftKey && e.key === 'R') {
e.preventDefault();
copyCurrentPage();
}
});
// Initialize
injectStyles();
})();