HD BlueSky

Improves BlueSky's image quality by replacing image formats. When clicking an image, JPEGs are replaced with lossless PNGs. While browsing the site, JPEG thumbnails are replaced with full-sized AVIF images.

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         HD BlueSky
// @author       Duskdyr
// @description  Improves BlueSky's image quality by replacing image formats. When clicking an image, JPEGs are replaced with lossless PNGs. While browsing the site, JPEG thumbnails are replaced with full-sized AVIF images.
// @match        *://*.bsky.app/*
// @grant        none
// @namespace    dskdr
// @license      MIT
// @version      1.0
// ==/UserScript==

(function() {
    'use strict';

    function imgrplcr() {
        document.querySelectorAll('img').forEach(img => {
            let url = img.src;

            if (url.includes('/feed_thumbnail') && url.includes('@jpeg')) {
                url = url.replace('@jpeg', '@avif');
                url = url.replace('/feed_thumbnail', '/feed_fullsize');
            }
            else if (url.includes('/feed_fullsize') && url.includes('@jpeg')) {
                url = url.replace('@jpeg', '@png');
            }
            if (img.src !== url) {
                img.src = url;
            }
        });
    }

    imgrplcr();

    const observer = new MutationObserver(imgrplcr);
    observer.observe(document.body, { childList: true, subtree: true });
})();