Photo Editor - By Mr.Bear
A full-featured image editor right in your browser. Draw, paint, select, crop, and export with layers, filters, and 20+ Photoshop-style tools, all without leaving Firefox.
5 users
Hex Dump
Convert text to hex dump view like a binary inspector
HTTP Headers
Inspect response headers of any URL with one click
Data Convert
Bidirectional JSON array and CSV format converter
XML Fmt
Prettify or minify XML with validation and copy
Multi-Theme Dark Mode
Transform websites with dark mode to reduce eye strain. Features include multiple theme styles, adjustable darkness levels, and per-tab application...
4 users
Fadify from FadSec Lab
Modify the web with true dark aesthetics and utilities. Currently only for ChatGPT.com
4 users
Safe CORS
Per-tab CORS bypass controlled from your page scripts. No toolbar button, no popup — just dispatch a CustomEvent from your code to enable or disable CORS for the current tab. Session-only, nothing is persisted.
4 users
Char Count
Instant character word and line count with reading ETA
Human Paste PRO
Paste text like a human — character by character with natural typing speed and rhythm.
4 users
Headers
Fetch and display HTTP response headers for any URL
Colorblind
Preview any hex colour as seen by colourblind users
CloudWarning
CloudWarning is a transparency-focused Firefox add-on that alerts you whenever a website uses Cloudflare’s infrastructure.
4 users
XML Mini
Beautify or collapse XML with one-click copy
Shadow Forge
Design CSS shadows with sliders preview and copy
CSS Shadow
Visual CSS box-shadow generator with live preview
User-Agent Rotator Per Tab
Randomly changes the user-agent for each new tab using a predefined list of iPhone user agents.
4 users
Sliding Tic Tac Toe
A Tic Tac Toe game with a twist! When you place your 3rd mark, your oldest mark disappears.
4 users
