Browser extensions starting with F
466 browser extension security reviews, listed by name.
Friendly Tab - New Tab Page
friendly.tab.net
LowFriendly Tab - New Tab Page sends typed new-tab search queries to Google autocomplete before search submission.
Full Page Screenshot – Fastest Scrolling Screen Capture (BlitzCapture)
ZIZIYI
CleanBlitzCapture sends each full-page screenshot event's page URL and title to Google Analytics.
foreUP Printer Extension V3
fu-extensions
CleanforeUP Printer Extension V3 accepts ForeUP page messages and sends queued receipt data to Star WebPRNT printer endpoints.

Free Proxy for Surfing
Proxy for Free
CleanVPN routes all browser requests through Hiddence proxy servers using hardcoded shared credentials.
F1 Delayed Live Timing
T21 Computing · Entertainment
LowF1 Delayed Live Timing sends a persistent user ID with live-timing view telemetry to api.f1delayedlivetiming.com.
FACEIT Detailed CS2 Stats
pito
LowFACEIT Detailed CS2 Stats sends a bundled FACEIT API bearer token with its FACEIT stats requests.
FB Messenger Translator Pro
Ivan · Social & Communication
CleanFB Messenger Translator Pro sends Messenger messages and draft text to Google Translate for translation.
FREE Twitter (X) Social Data Scraper - Instantly export Tweets as CSV
support · Social & Communication
MediumFREE Twitter (X) Social Data Scraper sends scraped X posts, news, trends, and account details to Supabase.
FUTMind - Club import
wullimann.gregory · Entertainment
CleanFUTMind - Club import sends FUT pack openings and club import collection data to futmind.com.
Fabrie Web Clipper
Fabrie Offical
CleanFabrie Web Clipper uploads selected page content and metadata to Fabrie/Folum backends when you save clips.
Fast Notion Chrome Extension
Yuji Tsuburaya
CleanFast Notion sends popup-entered Notion credentials and memo text to its Cloud Function.
Fastcup Enhancer
nerusin.dev
LowFastcup Enhancer sends Steam profile IDs from FastCup pages to fastcup-enhancer.igoryusha.love with a persistent user ID.
Fatfox新标签页
FatfoxTab
LowFatfox新标签页 sends search terms from visited URLs to Goosetab's AI message API.
Filter Anything Everywhere
Procrastinating Student
CleanFilter Anything Everywhere scans page text and hides content that matches the user's local blacklist.
FindFlix : see Netflix hidden categories [QVI]
Streaming Extensions
LowFindFlix sends Netflix account identity and remotely selected viewing, profile, device, list, and downloads data to outside servers.
Firma con token
LowFirma con token forwards messages from allowed government sites to the local gcbatoken native messaging host.
Fix Discord CDN
정현수
CleanFix Discord CDN redirects expired or unavailable Discord attachment URLs to fixcdn.hyonsu.com.
Flexi - AI Tutor
CK-12 Foundation · Education
LowFlexi - AI Tutor sends active-page context to CK12 while its side panel is open.
Flipkart Image Downloader
كوبوناتي
MediumFlipkart Image Downloader opens a background affiliate tab to sovrn.co when users download images.
FlyForm
esansdeveloper
CleanFlyForm sends drone-operation map geometry from ministry and ENAIRE pages to sync.flyform.es when AutoSync runs.
FlyMSG AI
https://vengreso.com/ · Communication
LowFlyMSG sends text from editable fields to WebSpellChecker for grammar, autocorrect, and autocomplete checks.
Form Saver
Simba Tech · Accessibility
MediumForm Saver saves form values, including password and hidden fields, into the active page's localStorage.
Form Solver AI - Auto Solve forms using Gemini/GPT4o/Claude
Meet Patel
CleanForm Solver AI sends form questions, answer options, and a stored user ID to formsolver.vercel.app when AI Solve runs.
Free Download Private Telegram Videos from Private Channels/Groups
jadoremuwg
LowThe extension queries api.ipify.org for your public IP address when its background service worker starts.
Free Downloader Online DomainB Video
Domain B
LowFree Downloader Online DomainB Video rewrites CORS and frame headers on media playlist and segment XHR responses.
Free Email Tracker for Gmail, by Canary Mail
Cartasec Pte. Ltd. · Communication
CleanFree Email Tracker for Gmail sends Gmail account identifiers and read-receipt events to Canary Mail and Google Analytics.
Free WhatsApp Group Finder: Find Group Invite Link & Contact Extractor
tianfa9527
CleanFree WhatsApp Group Finder sends scraper search details and WhatsApp identifiers to an Aliyun log endpoint.
Friend Connector Pro
Tier5 Technology Solutions
CleanFriend Connector Pro sends Facebook profile names to an AWS Lambda classifier when gender or country filters are enabled.
Full Image Downloader - Download all images
harrylucas.imagedownloader
CleanThis extension detects images on websites and lets you download them to your computer.
Full-Page Screenshot 2.0
F & D
CleanFull-Page Screenshot 2.0 captures the active tab as a full-page screenshot and stores it locally with page metadata.
FullPageScreenshot - Custom Screenshots & Advanced Editor
CleanFullPageScreenshot captures requested page screenshots and keeps recent image data in local extension storage.

FACEIT Mappio
Dan Kotov
LowFACEIT Mappio sends Faceit matchroom player profiles and demo URLs to Mappio analysis servers.

Facebook Video Downloader Plus
Jona.M
CleanFacebook Video Downloader Plus stores Facebook video titles, thumbnails, and media URLs locally for download.
fashiongo-style-match+
FASHIONGO · Shopping
CleanFASHIONGO Style Match+ uploads images you choose from any website to Fashiongo for style-match search.
FB Messenger™ Translator - Immersive Translation
slowcodehub · Communication
CleanFB Messenger Translator sends Facebook and Messenger message text and draft text to selected translation providers.
FC26 SBC solver
info.alex
CleanFC26 SBC solver reads EA transfer-market JSON responses and sends market data to backend.sbcsolver.com.
FEHeader
BNBextension
CleanFEHeader lets Binance Okta pages import profiles that can modify headers or redirect requests across any site.
FPTU Move Out Class Tool
ecec
LowFPTU Move Out Class Tool sends a persistent client ID and timezone to a Cloudflare Workers tracking endpoint.
FRAK - Earn Money Watching YouTube
tech
LowFRAK - Earn Money Watching YouTube sends YouTube watch-session details to FRAK reward APIs and Mixpanel.
FUT Sniping Bot | Futrich Autobuyer & AI SBC Solver
futrichext
MediumFutrich fetches JavaScript from futrich.com and runs it inside EA Ultimate Team pages.
Fable: Create step-by-step interactive demos and guides in 5 minutes.
ext-support
HighFacebook ID grabber & Picture in full size
khalil shreateh
CleanFacebook ID grabber & Picture in full size builds a khalil-shreateh.com link with a Facebook profile ID.
Firefox Profiler
Mozilla Corporation
CleanFirefox Profiler sends user-triggered debugger traces from the active tab to Firefox Profiler.
Fiyat Geçmişi Plus
pricetracker
MediumFiyat Geçmişi Plus can fetch a server-chosen URL with browser credentials and upload parsed listing data.
Flagmoji
idkhow2type
LowFlagmoji sends flag emoji image requests from every page to flagmoji.lecaominhhn.workers.dev.
Flashcard Lab: Vocabulary & Language Learning
tidisventures · Education
CleanFlashcard Lab sends saved flashcard text and definitions to Amplitude analytics.
Flixsign Web PKI
Flixsign
LowFlixsign Web PKI lets matching web pages send localStorage-derived signing commands to its local PKI native host.
Followers & Unfollowers - Follower Manager
MGDEV
LowFollowers & Unfollowers sends Instagram profile and follower-list metrics to betaworkz.com analytics.
Forest Wallpaper
daniel.lim · Fun
LowForest Wallpaper sends top-site URLs from the new tab page to Google's favicon service.
Formix - Шаблоны сообщений и Быстрые ответы
Formix
CleanFormix reports each inserted snippet ID and the current page URL to formix.pro.
Framer Checker
Lenderson Macedo
LowFramer Checker sends the origins of detected Framer-built sites to script.cursodeframer.com.br.
Free Chess Analyzer with brilliants – Import from Chess.com & Lichess
CleanFree Chess Analyzer opens ArslanovChess with the current Chess.com or Lichess game PGN in the URL when you click analyze.
Free Mass Message Bulk sender
escuderohuillcamasccoevaristo
MediumFree VPN for Chrome by Freevpn
Anomi · Privacy & Security
CleanFree VPN for Chrome by Freevpn can disable other enabled VPN extensions from its popup.
Free VPN | Fast Secure VPN - VPN Control
HDBest · Privacy & Security
LowFree VPN | Fast Secure VPN - VPN Control sends public IP and VPN usage events to hdbest.fun.
FutSniperExtension
futsniperweb.com.br
CleanFutSniperExtension sends AutoDME solver requests with a hardcoded API key to plugin.futsniperweb.com.br.

Feeder
Feeder.co
LowFeeder lets prepared web pages ask the extension to open tabs or redirect the current tab.

FoxFilter
Inspired Effect
CleanFoxFilter reads each page's URL, title, metadata, and HTML body in every frame for local filtering.

Feedly Notifier
Oleg Shevchenko
CleanFeedly Notifier sends an embedded Feedly OAuth client secret to Feedly during sign-in and token refresh.

Free YouTube Video Downloader
Elevate Tech
LowFree YouTube Video Downloader sends entered video IDs to Google's API and opens a fixed third-party download page.