Simple Link Checker
Redirect Link Checker will check all links on your page to find broken and redirect links
783 users
SiteAnalyzer SEO Tools
SiteAnalyzer SEO Tools – это браузерное расширение, представляющее собой набор инструментов для анализа SEO-показателей сайта, технического аудита (ссылки, изображения, мета-теги, контент, индексация и т.п.), анализа URL и исправления ошибок SEO.
782 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
778 users
Resize Window & Viewport
Resize browser window or viewport to desired screen widths. Firefox's Responsive Design Mode (Ctrl + Shift + M) is great for mobile devices emulation.
773 users
Tabs Backup & Restore
Keep manual or automatic backups of all tabs*, and restore on demand. Can also export backup file to disk to restore later, or to another profile, even on another computer or OS, as long as it has Tabs Backup & Restore installed. *(See description)
772 users
Transparent standalone images
This add-on renders standalone images on a transparent background, so you can see the image in all its glory!
765 users
Open With Photoshop
Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
739 users
Neeno's Cookie Importer
Import, export, edit, and backup cookies. Includes conflict resolution, cookie locking, advanced flag editing, session snapshots, and a secure review stage. Supports incognito and containers. The definitive session management tool.
737 users
ExtPul-AGHU
ExtPul-AGHU: Adiciona funcionalidade de impressão de pulseira para todos os pacientes, sem dependência de internação.
735 users
Time Zone Converter - Savvy Time
Time zone and local time converter. Compare and convert time between many locations at a time.
733 users
Claude Chat Exporter
Export your Claude conversations to Markdown, JSON, or HTML — complete, with artifacts, thinking blocks, inline citations and full source URLs. Clean output, ready for Obsidian or Claude Projects.
721 users
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
718 users
IdeaPi: Chat Exporter for ChatGPT, Gemini & Claude
Export ChatGPT, Gemini, Claude, and DeepSeek conversations to Markdown, or sync them to IdeaPi for workflow processing.
715 users
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
714 users
PlantUML for GitHub
Renders plantuml code blocks directly on GitHub pages using the client-side TeaVM-compiled PlantUML engine.
708 users
Cloudflare Optics
Cloudflare Optics is a browser extension that helps display interesting information when you visit a site, particularly if that site is proxied through Cloudflare.
704 users
