Browser extensions starting with R

Adds React component inspection and profiling tools to Chrome DevTools.

Read Aloud accepts playback control commands from any installed Chrome extension without validating the sender.

Return YouTube Dislike injects an unsanitized version string from GitHub into the popup's innerHTML, enabling XSS if the remote file is tampered with.

Code analysis indicates Rakuten captures the full HTML of your order confirmation pages and sends it to third-party servers.

This extension creates Chromebook recovery media on supported Chromebooks, Windows, and Mac devices.

Adds community-built enhancements for using old Reddit in the browser.

Renaissance LockDown Browser transmits exam session PII to Respondus servers and disables other browser extensions during active exams.

Repeek sends FACEIT match activity and Steam IDs to its own servers and fetches a remote config that controls all extension behavior.

This extension is no longer actively maintained and points users to more information about its status.

Return YouTube Dislike assigns each user a persistent ID and sends it alongside video IDs and vote choices to its own API.

This extension makes Flash content run in modern browsers through the Ruffle emulator.

Manages passwords, passkeys, authenticator codes, and autofill for online logins.

RealityCheck sends the page's visible text to Anthropic's API and renders the streamed reply in its popup with unescaped HTML.

Detects RSS feeds on pages and lets you preview or subscribe to them from the Omnibox.

Send web articles from Chrome to a reMarkable paper tablet as notebooks or EPUB files.

Turns cluttered web pages into a customizable reader view for easier reading.

Shows HTTP status codes, redirects, headers, and server IP details for pages you visit.

This extension lets developers intercept and modify HTTP requests, responses, headers, redirects, scripts, and API mocks in Chrome.

Ripple Tool sends raw mental-health search queries to Mixpanel and injects server-controlled HTML into search-engine pages.

Support for Read&Write Desktop loads remote scripts from toolbar.speechstream.net into visited pages and connects to a local WebSocket for text-to-speech playback.

Reddit Enhancement Suite inserts its version and browser extension ID into Reddit pages.

Read Aloud sends the active tab URL and error details to its vendor server when a text-to-speech playback error occurs.

Rapid Journal Quality Check sends Google Scholar result titles and citation details to Crossref and DBLP for journal ranking badges.

Plays HLS and DASH stream URLs directly in the browser.

Adds marketplace tools to the Roblox avatar editor for trying on items, saving a cart, and viewing cashback.

React Developer Tools posts its stored DevTools settings into every page where its hook runs.

The RuTracker extension routes all rutracker traffic through a third-party proxy and attaches a persistent user ID to each request.

Link Redirect Trace sends the current tab's redirect-chain URLs to LinkResearchTools for SEO metrics.

Unlocks radiko.jp geo access so users can listen to radio from regions across Japan.

Automatically changes your browser User-Agent string at regular intervals.

Reader Mode sends the current page URL to readermode.io when it loads an article for signed-in users.

Real-Debrid extension scans active web pages for downloadable links and sends matched URLs to Real-Debrid APIs.

Save online content into a personal knowledge base and chat with it using AI models.

Redirect Blocker accepts page-created shortcut key events that toggle blocking for the current tab or all tabs.

Reload multiple tabs using context menu options, a toolbar button, keyboard shortcuts, or scheduled URL-based jobs.

Restores an old-style Roblox server list with server and user search features.

RevEye Reverse Image Search sends clicked image URLs to the selected reverse-image search providers.

Rewardsweb uses Rewardsweb and LATAM Pass endpoints for cashback/OAuth flows and Google Analytics for analytics.

RightInbox connects Gmail pages to RightInbox and Mailshake services for reminders, tracking, templates, and notes.

Adds a red crossed removal button to Roblox friend cards in the friends list.

Roblox Friend Remover Button modifies Roblox purchase pages to promote RoEarn and roexport redirects.

Manage Ethereum and multi-chain crypto wallets, keys, tokens, and dApp interactions from the browser.

This extension lets developers send HTTP API requests to localhost and local network servers from the browser.

Rotates through open browser tabs like a slideshow with optional timed pauses and reloads.

Highlights the active row and column in Google Sheets when the current cell is visible.

Ruffle - Flash Emulator runs Flash content locally via WebAssembly and does not send browsing data to external servers.

This extension lets Raycast AI work with the focused browser tab for summaries and custom commands.

RoSearcher replaces Roblox purchase buttons with RoEarn install prompts for signed-in users.

This extension shortens the current page’s URL into a Rebrandly short link.

RPass sends user email, role ID, and company ID to Segment analytics and Datadog error logging on every login.

RSSHub Radar reads each visited page's HTML to find RSS and RSSHub feed candidates.

Record Google Meet sends your Google account email and IP address to app.easymeetrecord.com for subscription and geo-based paywall checks.

Relingo runs on every page and sends words and sentences you select to its own API and to third-party dictionary and translation services.

Riddr sends selected or auto-selected page text to Google Translate TTS when reading it aloud.

Adds item values, trade previews, and notifications to Roblox limited item trading pages.

RoboForm Password Manager intercepts WebAuthn passkey calls on all pages and can disable the browser's built-in password manager.

Automatically redirects matching web pages to user-defined destination URLs.