Fun extensions

This extension changes the mouse pointer in Chrome using bundled and user-added cursor packs.

Return YouTube Dislike injects an unsanitized version string from GitHub into the popup's innerHTML, enabling XSS if the remote file is tampered with.

Adds real-time camera effects and background changes for Google Meet calls.

This extension changes the mouse pointer on webpages to custom cute cursor designs.

Enhances YouTube watching with AutoHD, cinema mode, playback controls, and visual customization.

This extension shows a new virtual pet on every new tab.

Redirects YouTube Shorts to the regular YouTube video player.

This extension plays Animalese-style sounds as you type online.

FACEIT FORECAST sends FACEIT page category and a stored extension device ID to api.fforecast.net.

Google Arts & Culture sends a persistent UUID and user language preference to Google Analytics on every extension event.

This extension adds a simple clicking game about earning virtual money and buying upgrades.

Web Scrobbler sends detected song details and origin URLs to ListenBrainz when ListenBrainz scrobbling is enabled.

Automatically sets YouTube video quality based on your preferred resolution and FPS.

This extension enhances Path of Exile trade pages with bookmarks, price tools, highlighting, and search history.

Play piano songs in the browser using a keyboard or mouse.

Free Time Games executes scripts from its remote changelog inside the extension options page.

Adds an activateable laser cat that lets you click page elements to zap and remove them.

SmoothScroll lets child frames send messages that scroll the top page.

Tab for a Cause routes each new tab through http://tab.gladly.io/newtab/ before any HTTPS redirect.

This extension lets you create and save quick drawings in Chrome.

Web Paint Tool stores page drawings in each website's localStorage where that site's scripts can read them.

coffeelings loads third-party font and image assets when its popup opens.

Adds customizable colorful trails that follow your mouse cursor while you browse.

This extension overlays Twitch chat messages on the video in danmaku style.

asbplayer is a language-learning tool that overlays subtitles on streaming video and integrates with Anki for vocabulary capture.

Opens YouTube videos and playlists in a resizable popout player window.

SuperPiP sends visited page URLs, titles, and referrers to Google Analytics after vendor provisioning.

Downloads videos, images, and audio from Telegram Web with a download button.

Draw and annotate directly on webpages in the browser.

This extension provides an incremental idle clicker game centered on earning money for a piggy bank.

Prime Video Speeder collects Amazon account details, email address, and viewing history and transmits them to me3x.online and metricsmint.quest.

This extension lets you throw animated objects onto webpages with mouse clicks.

Trim IMDB Rating sends your streaming page URLs, browsing metadata, and Netflix content details to its own servers and Google Analytics.

Adds MrBeast to YouTube thumbnails for a clickbait-style browsing effect.

nCage+ is a prank tool that replaces images on every page you visit with bundled novelty pictures at an intensity that increases over time.

pp calculator computes osu! pp scores on beatmap pages and sends Mixpanel usage analytics from its popup and options pages.

Mo'Kick fetches unversioned CSS from a GitHub Gist on every kick.com page load without integrity verification.

Skins for YouTube receives CSS and image URLs from youtube-skins.com and injects them into YouTube pages, with the operator able to open new tabs remotely.

Amazon Prime Freevee Skipper sends Amazon account details, watch history, and email address to me3x.online and metricsmint.quest.

Anime Cursor fetches remote cursor URLs from api.gameograf.com on every popup open and injects them unsanitized into CSS on all web pages.

Displays archived YouTube annotations on older videos when available.

Cursorland applies user-selected custom cursors across all visited pages using SVG images fetched from cursor-land.com.

DanMage sends the current YouTube or Crunchyroll content ID to www.danmage.com to fetch overlay chat.

Dice Thrower fetches a remote HTML snippet from cameronsamuels.com and injects it into the popup via innerHTML on every open.

Gifs autoplay for Google™ rewrites User-Agent headers on Google Image Search requests to receive animated GIF data from Google's servers.

Customizes the appearance of scrollbars on webpages in Chrome.

Theme & Color Changer for YouTube opens promotional tabs on install and every update without user interaction.

Adds regional flags and score ranking details to osu! profiles and related pages.

Doodle games collection removes Content-Security-Policy and X-Frame-Options headers across all sites.

Flappy Budgies Offline fetches network-filtering rules from a remote server on startup and installs them to control browser traffic.

Magoosh Vocabulary sends pronunciation lookup words and its embedded Wordnik API key to api.wordnik.com over HTTP.

Paint - Easy Drawings stores drawing snapshots in each visited site's localStorage when its drawpad is used.

SpoilerProtection sends settings backups and backup passwords over plaintext HTTP.

Catch Cat - Super Game sends a generated install UUID to mymoneyrain.com when the extension is installed.

Cool Cursors redirects Google search pages to ugnewtab.net with the user's original search query.

Cornify records recent key codes on HTTP and HTTPS pages to detect the Konami sequence.