Browser extensions starting with R
404 browser extension security reviews, listed by name.
Rize
Rize
CleanRize rewrites page titles on all sites to include the active tab URL.
Rocket Sender - Bulk WA Messages & Automation
rocket-sender
MediumRocket Sender automates WhatsApp messaging and decides where to activate from a class-name list fetched from its remote config server.
right-click QRcode reader
778
Lowright-click QRcode reader decodes a QR image locally, then opens the decoded text as a new-tab URL after a single OK prompt.

RoGold - Level Up Roblox
Alrovi ApS
CleanRoGold - Level Up Roblox sends visited Roblox user IDs and collectible asset IDs to rogold.live to power its preview and trading features.

Reverse Image Search
Brawl
LowReverse Image Search exposes a web-accessible page that accepts form-submit commands via postMessage from any web origin.

RetailMeNot: Codes, Cash Back and Coupons
RetailMeNot
LowRetailMeNot: Codes, Cash Back and Coupons transmits full page DOM content from shopping and checkout pages to api.onsleek.ai via the Sleek SDK.

Rakuten Button Canada: Get Cash Back for Shopping
Rakuten
CleanRakuten Button Canada sends browsing session events and order confirmation page HTML to Rakuten servers on merchant sites.

Ronin Wallet
Sky Mavis
LowRonin Wallet injects an Ethereum provider into all web pages and fetches an Amplitude script from cdn.amplitude.com with no integrity check.

Reverso – Translation, dictionary
Reverso.net
MediumReverso sends the current page URL, page title, and a persistent device UUID to its servers with every translation query.
Recovery
google.com
LowOnHub Recovery Utility sends recovery target and USB drive details to Google Analytics when crash reporting allows it.
Raga Minions
Raga Games
CleanRaga Minions fetches remote userscripts and runs installed script code on Agar.io pages.
Random
grunbaster
MediumRandom number generator redirects matching site visits through a bit.ly URL that appends the current page URL.
ReCaptcha Solver
nowon48
CleanReCaptcha Solver sends page URLs, reCAPTCHA site keys, and solver credentials to selected captcha services over HTTP.
Read Pronunciation: English & French
The Developer of Read Pronunciation · Education
CleanRead Pronunciation sends selected text and sentence context to proactive.im for AI pronunciation and flashcard features.
Reader Mode - Natural Reader and dark mode
Ciao Apps LTD · Accessibility
CleanReader Mode - Natural Reader and dark mode sends visited page URLs and referrers to cleaner.reader-view.com.
RecipeSearch
AdsSquared LLC · Tools
MediumRecipeSearch force-navigates the user's active tab to its own landing page immediately after install, with no user action.
Recon - FACEIT CS2 Predictor
Miloš Brković
LowRecon - FACEIT CS2 Predictor embeds a bearer API secret and sends it with FACEIT match IDs to recon-api.brkovic.dev.
Recorded Future
Recorded Future
CleanRecorded Future scans every page you visit for IOC-shaped strings and sends them to its own risk-scoring API.
Recruit CRM Sourcing Extension
recruit-crm · Workflow & Planning
HighRedBlock - Block ads on Youtube™
RedBlock · Entertainment
CleanRedBlock downloads rule code from redblock.cc and injects generated scripts into YouTube pages.
Redirecionamento Cálculo Seguradora
Quiver Soluções
CleanRedirecionamento Cálculo Seguradora lets approved external sites automate insurer logins with supplied credentials.
Refresh Monkey
tejji
CleanRefresh Monkey reads selected page content from user-chosen tabs and stores change history locally.
Remove-History
Remove-History
CleanRemove-History sets itself as the default search provider and sends search and suggestion queries to www.remove-history.xyz.
RevDriver
SalesIntel
CleanRevDriver by SalesIntel sends visited domains and CRM page identifiers to api.circleback.com for contact-count lookups.
Rewards Search Automator Old
BuildWithKT · Functionality
LowRewards Search Automator Old lets websites trigger its popup to redirect the active tab to Bing.
Ricoh Cloud Print
Ricoh RSI print
MediumRicoh Cloud Print uploads selected print documents and printer settings to Ricoh's cloud API.
Ringover Dialer – Call, Text or launch campaigns in just One Click
RingOver
CleanRingover Dialer scans each HTTP(S) page for phone numbers and marks detected numbers for click-to-call.
Roblox 2019
Brian Walczak
LowRoblox 2019 injects Roblox theme CSS that loads images from svgur.com and i.imgur.com on Roblox pages.
Robo Product Importer
Thalia Apps
CleanRobo Product Importer sends the active tab's URL and full page HTML to robo.thalia-apps.com when you click import.
Rocketrip
Rocketrip
LowRocketrip sends Concur employee identifiers and profile details to Mixpanel analytics.
rePub
Erik Brinkman
CleanrePub converts the active tab into an EPUB and uploads it to reMarkable cloud when cloud upload is selected.
RLive
KitApp Applications
Lowרדיו לייב sends selected station details and playback events to Google Analytics.

Recipio
To Go Networks
MediumRecipio routes all search queries through Yahoo affiliate search with hardcoded partner tracking codes, without disclosing this to users.

refined-github-
Sindre Sorhus
LowRefined GitHub fetches version-specific CSS from refined-github.github.io and injects it into GitHub pages.
RECEPTIONIST Chrome Extension
RECEPTIONIST
LowRECEPTIONIST Chrome Extension adds installed extension names and versions to Sentry error-reporting context.
RateFlix
Tanner Rutgers
CleanRateFlix sends Netflix title names to private.omdbapi.com to retrieve third-party ratings.
Recipe Kitchen
Simple PDF Search
CleanRecipe Kitchen loads a remote recipe page whenever you open the extension's new tab page.
Reelia Record - Screen Recorder & Editor
Leolime
CleanReelia Record enables Microsoft Clarity session recording on its popup, library, and editor pages.
Reject Service Worker
toshi
CleanThis extension blocks automatic service worker registration on websites.
Rewards Auto Search: Automate searches with 1-Click
Vishal tyagi · Tools
LowRewards Auto Search reports high automated-search counts and a persistent extension token to its backend.
Roam Highlighter
Daniel Wirtz
HighRoam Highlighter sends copied bookmarks and highlighted page text, including page URLs and titles, to PostHog analytics.
RudderStack Assistant
RudderStack
CleanRudderStack Assistant records RudderStack analytics request bodies from sites that use the RudderStack SDK.
Rusprofile – быстрый анализ контрагентов
Rusprofile
CleanSearches Rusprofile for selected company names or details from any webpage.
readeck
Readeck
CleanReadeck sends saved page content, headers, and resources to the configured Readeck server when you save a page.
ReYohoho
reyohoho · Entertainment
CleanReYohoho contacts its link endpoint automatically on supported movie and anime title pages.
Recipes New Tab
Diversify Media, Inc.
LowRecipes New Tab requests random recipe results from api.spoonacular.com using a hardcoded API key.
Recipes Stash
Household
CleanRecipes Stash sets recipesstash.com as the browser's default search provider for typed searches and suggestions.
Reef Chain Extension
mathias
CleanReef Chain Wallet Extension exposes account metadata and signing requests to user-authorized websites.
RemoveMark - Gemini, Doubao & Jimeng Watermark Remover
g5413859
CleanRemoveMark sends popup usage events and scoped page metadata to www.xinhaiblog.top.
Return YouTube Avatars
furkkinov
CleanReturn YouTube Avatars redirects yt3.ggpht.com resource requests through youtube.vulpine.email.
Reurl.cc
reurl
CleanReurl.cc sends the active tab URL to reurl.cc when a signed-in user opens the extension popup.
Reverb Record - Share Your Voice
Reverb · Communication
CleanReverb Record uploads user-triggered voice recordings from Google Docs to Reverb's Firebase storage and creates share links.
Rex KeepAlive
rex-admin
LowRex KeepAlive sends encrypted session heartbeat reports with IP address, geolocation, and device fingerprint to Rex.
Right Click Opens Link New Tab
Bill Hedworth
LowRight Click Opens Link New Tab lets page-dispatched mouse events open attacker-chosen URLs in new tabs.
RoPro Gold
RoPro Gold · Functionality
MediumRoPro Gold replaces Roblox purchase controls with RoEarn buttons that open roearn.io.
rakumart代行サポート_new
https://www.rakumart.com
Cleanrakumart代行サポート_new sends selected page images to Rakumart image-search endpoints.
resizePhotos
resizemyphotos · Art & Design
Cleanresizemy.photos sends the selected image URL to Google Analytics when opening its image editor.
retroLink - Desprotetor de Links
MDweb
CleanretroLink sends the active tab URL to retrolink.com.br when its toolbar button is clicked.

RoQoL - Improve your Roblox experience
Haydz6
MediumRoQoL sends Roblox play status, game identifiers, and friend activity to roqol.io.
RSS Feed Generator for any site
GOODEXTENSIONS
MediumRSS Feed Generator for any site sends the active tab URL to Takeads when its popup opens.