Simple Base64 Auto Decoder

Auto decode Base64 URLs

Verze ze dne 14. 11. 2025. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Simple Base64 Auto Decoder
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Auto decode Base64 URLs
// @author       kosherkale
// @match        *://rentry.co/*
// @match        *://rentry.org/*
// @match        *://pastes.fmhy.net/*
// @match        *://bin.disroot.org/?*#*
// @match        *://privatebin.net/?*#*
// @match        *://textbin.xyz/?*#*
// @match        *://bin.idrix.fr/?*#*
// @match        *://privatebin.rinuploads.org/?*#*
// @match        *://pastebin.com/*
// @license MIT
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const minLen = 16;
    const base64Regex = /^[A-Za-z0-9+/]+={0,2}$/;

    const isBase64 = str => str.replace(/\s+/g,'').length>=minLen && base64Regex.test(str.replace(/\s+/g,''));
    const decode = str => { try { return atob(str.replace(/\s+/g,'')); } catch(e){return null;} };
    const isURL = str => /^https?:\/\//.test(str);

    const linkify = (el,text) => {
        const color = window.getComputedStyle(el).color;
        el.innerHTML = text.split('\n').map(l=>isURL(l=l.trim())?`<a href="${l}" target="_blank" style="color:${color}">${l}</a>`:l).join('<br>');
    };

    const decodeElements = selectors => {
        document.querySelectorAll(selectors).forEach(el=>{
            let text = el.textContent.trim();
            if(isBase64(text)){
                let decoded = decode(text);
                if(decoded && isURL(decoded) && decoded!==window.location.href) linkify(el,decoded);
            }
        });
    };

    const init = () => {
        decodeElements('pre, code, p, .de1');
    };

    init();

    new MutationObserver(init).observe(document.body,{childList:true,subtree:true});

    document.addEventListener('click',e=>{
        const a = e.target.closest('a');
        if(a && isURL(a.href)) setTimeout(()=>{window.addEventListener('load',init,{once:true})},100);
    },true);
})();