Skip to content
Developer Tools
Browser DevTools & extensions
Browser DevTools & extensions inside Developer Tools.
Newest through the gate
- Web Page Fixergithub.comWeb Page Fixer is a browser extension that corrects right-to-left text formatting on modern web pages.
- MatugenFoxmozilla.orgMatugenFox synchronizes Firefox colors with a Matugen system theme in real time.
- Mistnetlify.appA calmer and faster way to start browsing Mist replaces your default new tab with a lightweight and customizable start page.
- Reddit Profile Unhidermozilla.orgReddit Profile Unhider is a Firefox extension that displays archived posts and comments on Reddit user profiles.
- ImgDownloadProimgdownloadpro.comIMG Download Pro helps you discover images on the page you’re viewing, narrow the list with practical filters, and download what you select in a single ZIP file…
- Grab All Filesgrab-all-files.appGrab All Files is a browser extension for bulk-downloading files and saving web pages as searchable HTML.
- Gizmo AI Unlimitedgithub.comGizmo AI Unlimited is a browser extension for taking unlimited Gizmo quizzes.
- Yakogetyako.comEvery time you open a new tab, Yako gives you a clean, fast start page built for anyone who works with Microsoft 365, Azure, Entra, Intune, Defender, and other…
- YouTube Volume Granularitymozilla.orgYouTube Volume Granularity adds a fine-grained volume slider to YouTube for more precise low-volume control.
- Jamf Extendergithub.comJamf Extender adds powerful inline features to Jamf Pro — available for Safari, Chrome, Edge, and Firefox.
- ShieldBrowsegithub.comBlock every ad.
- TrueSight UI for D&D Beyondmozilla.orgTrueSight UI is a Firefox extension that redesigns D&D Beyond character sheets for faster access during game sessions.
- AI Generated Content Filter for Steamgithub.comSteam is increasingly populated by games utilizing AI-generated art and assets.
- Pin-Down for Pinterestmozilla.orgPin-Down for Pinterest is a Firefox extension for downloading Pinterest images and videos individually or in batches.
- X Age Gate Cleanermozilla.orgX Age Gate Cleaner is a Firefox extension that dismisses age gates and sensitive-media warnings on X.com.
- Crimson Desert Companionmozilla.orgCrimson Desert Companion is a Firefox extension that shows player position on MapGenie maps.
- Tangia Dungeon Auto-Joinmozilla.orgTangia Dungeon Auto-Join is a Firefox extension that automatically joins Tangia Dungeons and Boss Fights on Twitch.
- Twitch Enhancergithub.comTwitch Enhancer is a modular extension that improves everyday Twitch viewing with practical quality-of-life tools.
- Workspacesgithub.comWorkspaces is a Firefox extension for organizing browser tabs into separate workspaces.
- eBay Live Removermozilla.orgeBay Live Remover hides eBay Live promotions and navigation elements on eBay pages for Firefox users.
- Pi-hole In Onegithub.comFeatures: - Blocking control: Toggle Pi-hole blocking on or off from the popup, or temporarily disable it for a preset duration (10s, 30s, 5m, 30m, 1h) so it re…
- HowLongToBeatgithub.comHowLongToBeat on Steam is a browser extension that displays game completion times on Steam pages.
- Auto Refresh Page Promozilla.orgAuto Refresh Page Pro automatically reloads Firefox tabs at custom intervals and monitors changing page data.
- PinSightmozilla.orgPinSight is a Firefox extension that detects and controls AI-generated pins in Pinterest feeds.
This is the newest 24 of 9,919. Open Browser DevTools & extensions in the live index →
Subscribe to Browser DevTools & extensions by RSS — new listings in this category, in your reader, no account.