FontBlitz - Font Changer
A browser extension for instantly switching and testing fonts on any website.
2 Benutzer
color tab v1
Colorizes browser tabs by domain and adds subtle, per-site highlights defined from Markdown configs.
2 Benutzer
GitHub Video Player
Embeds inline video players for GitHub release asset video links (.mp4, .webm, .mov) in issues and pull requests.
2 Benutzer
tokenizer-token-cost-monitor
Real-time token counts, costs & energy usage on ChatGPT, Claude, Gemini, Grok, DeepSeek + 25 more. Free, open source.
2 Benutzer
NetTrace-Recorder
Captures all network requests, responses, and user interactions — export as HTML report or JSON.
2 Benutzer
Ocultar Sugestões do Instagram
Remove a seção de sugestões de seguidores da página inicial do Instagram.
2 Benutzer
Element Snapper
Select multiple HTML elements on any webpage and save each as a separate PNG screenshot. No html2canvas — uses native Firefox screenshot API for pixel-perfect results.
2 Benutzer
Header Override
Modify request headers, response headers, and cookies with local URL rules and profiles.
URL Modifier by Gerbil
Rewrite HTTP/HTTPS request URLs using regex rules — before, replace, or after the matched pattern.
2 Benutzer
Vapai Screen: Full Page Capture
High-resolution, full-page screenshot tool. Captures the entire DOM, saves to disk, and copies directly to your clipboard. 100% local.
2 Benutzer
JWT Inspector
DevTools panel that captures XHR/fetch requests with JWT bearer tokens and lets you decode and copy them.
2 Benutzer
Server Country Flag
The extension provides instant information about the country of origin of the web server for the sites you visit. Each time you load a page, the extension displays the name of the country detected in your browser's user interface.
2 Benutzer
Cookie Vault
Server-authenticated cookie export/import with expiry, selective export, and tamper-proof limits.
2 Benutzer
FormVisualizer
A small Firefox extension for web app security testers. It allows visualizing and manipulating form elements and clearing cookies, local storage and cache with a single action.
2 Benutzer
Color Palette by Rod Lovell
Extract all colors from the current page and display them in a popup.
2 Benutzer
Image Opener
Shows an icon on hover over large images to open them in a new tab or copy the original.
2 Benutzer
Loupe — Magnifier with Zoom
Magnifying glass that follows the cursor. Scroll wheel changes zoom level. Configurable size, zoom range, and persistence.
2 Benutzer
Sticky Page Draw
Draw on any web page with drawings that stay fixed in place even when scrolling. Perfect for annotations and notes.
2 Benutzer
HTTP Header Network Monitoring
Persistent tab-scoped HTTP monitor with headers, bodies, raw/beautified JSON, blacklist rules, resend, and HAR/JSON exports.
2 Benutzer
