Browser extensions starting with R

Redgifs Downloader for ff sends selected Redgifs video URLs to redgifsdlr123.onrender.com when you click download.

Rewards loads its popup font stylesheet from Google Fonts over plaintext HTTP.

楽天ウェブ検索 sends batches of visited URLs, referrers, redirect chains, browser details, and a Rakuten cookie to Rakuten.

Run JavaScript executes user-saved JavaScript and CSS on matching websites through its all-URLs content script.

Redgif Video Downloader scans every site for GifPreview elements and passes matching page details to its background script.

Freshy Recipes can send your Chrome top-sites list to its remote new-tab page.

Rabet lets any website query whether the wallet is unlocked through its injected page bridge.

Radial New Tab's floating search can be driven by page scripts to open and submit prompts to ChatGPT.

Rage of the Domains sends user-saved new-tab shortcut URLs to Google's favicon service.

Rate My Professor Extension sends instructor link clicks with persistent IDs to Google Analytics.

RbxBack rewrites Roblox purchase requests to use a RbxBack-controlled sale location.

Read text out loud sends selected text, page text, and Kindle page images to support.readaloud.app when users start playback.

ReadLite posts selected text and highlight notes from reader mode to the host page.

Readium - Medium Paywall Radar stores Medium article URLs and premium-status checks in local extension storage.

ReadyBookmarks adds or removes server-supplied bookmarks and reports whether those links are installed.

Real Estate Data Scraper collects Zillow listing and favorite-property details in browser storage for CSV or Excel export.

Realtime Content Insights records Google Analytics beacon URLs, page titles, and event fields from visited sites.

Recipe Cart reads recipe details from matched pages and sends the page URL and recipe content to api.getrecipecart.com.

Recruiters' integration tool sends saved candidate profile HTML and URLs to CleverStaff.

Reepl lets allowed local pages drive LinkedIn conversations, messages, and comments through the extension.

Reflektive sends Gmail account and conversation metadata to its Reflektive web app.

Remove URL Transfer Everywhere checks user-matched page links before rewriting them to their final URLs.

Rengoku Live Wallpaper New Tab fetches popup HTML from api.gameograf.com and renders it in the new tab page.

ReplyWise sends LinkedIn post and comment text to its generation API.

Request Interceptor captures active-tab request URLs, headers, and POST bodies after the user enables interception.

Research Notes sends activity telemetry with a persistent analytics ID and public IP to Mixpanel.

Resmume sends resume contact details from its popup to resmume.com.

Responsive Image Linter can send the clicked page's URL and responsive-image details to any embedded frame on that page.

Return YouTube Subscribers sends YouTube channel identifiers to Mixerno for subscriber-count lookups.

Right Click Opens Link in a Background Tab lets page scripts trigger background tabs to attacker-chosen links.

Rivyo-Shopify App Review Importer sends selected Amazon reviews and Shopify store details to app.rivyo.com.

RoBoost sends selected Roblox user IDs to Roblox's presence API to check whether tracked accounts are online.

Roblox Characters Custom Cursor loads selected cursor images from allcursor.com on pages you visit.

Roblox Friend Manager shows a review prompt on non-Roblox pages after enough extension use.

Robô de Comentários - Bot de Sorteios sends Instagram profile details, location, and device data to botsorteios.com.

Roll20 Character Sheet Printer sends exported Roll20 character sheet content to a Glitch-hosted editor page.

The extension accepts forged page messages that can add HTML to its Roll20 book and chat UI.

Rozsirenie KUPLIO sends coupon outcome and checkout total analytics to CityAds when coupon auto-apply runs.

RussianGram sends selected text, nearby page context, and active-page text to russiangram.com for language features.

RustAndRaids forwards Facepunch Rust companion auth tokens and Steam IDs to api.rustandraids.com.

Rylee sends bol.com product identifiers and search-page context to rylee.nl for seller analytics.

rep+ captures HTTP URLs, headers, and bodies in DevTools and sends selected request data to configured AI APIs.

repmafia.net tools rewrites referral cookies and shopping URLs on supported storefronts.

robots.txt viewer sends the active tab's scheme and hostname to robots-viewer.com when its popup opens.

Resource Override applies user-created URL, header, and content changes across matching visited sites.

Renewed Tab sends configured weather coordinates to api.renewedtab.com when the new tab page loads.

Recettes Cooking sends Google search queries and stored identifiers to epicurien.azurewebsites.net.

Rapid Journal Quality Check sends Google Scholar result metadata to Crossref and DBLP for journal ranking lookups.

Ratepunk sends full hotel booking-confirmation page HTML to its troubleshooting endpoint when cashback data is missing.

Rebrandly sends the active tab URL and title to api.rebrandly.com when you create a short link.

Read Frog sends selected or page text and optional page context to AI translation backends when you ask it to translate.

Reminder | Refunder exposes its extension ID and version to every website it runs on.

Rutor Torrent Search sends typed popup searches to Google Suggest and opens submitted searches over cleartext HTTP.

Right Links WE lets web pages trigger extension-created tabs or windows for page-chosen links.

RMIT Harvard Citation Tool sends entered and detected article DOIs to Crossref and may query Wikidata for ISSN details.

RORA - Audio Filter, Equalizer & Enhancer reads media page URLs and track details on every site for its audio controls.

RSA Test Finder sends saved email addresses and driving-test slot alerts to SMTP2GO.

The extension adds a Ride with GPS control that fetches GSI elevation tiles for each route coordinate.

RadFlow Connector lets approved RadFlow sites send messages to a local native host and manage viewer windows.