PageSpeed Insights
Open PageSpeed Insights to analyze the web page on the current opened tab.
769 người dùng
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.
769 người dùng
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.
768 người dùng
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)
762 người dùng
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.
755 người dùng
Transparent standalone images
This add-on renders standalone images on a transparent background, so you can see the image in all its glory!
754 người dùng
ExtPul-AGHU
ExtPul-AGHU: Adiciona funcionalidade de impressão de pulseira para todos os pacientes, sem dependência de internação.
741 người dùng
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 người dùng
Time Zone Converter - Savvy Time
Time zone and local time converter. Compare and convert time between many locations at a time.
737 người dùng
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.
736 người dùng
IdeaPi: Chat Exporter for ChatGPT, Gemini & Claude
Export ChatGPT, Gemini, Claude, and DeepSeek conversations to Markdown, or sync them to IdeaPi for workflow processing.
714 người dùng
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
713 người dùng
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.
709 người dùng
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.
700 người dùng
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
696 người dùng
