Browser extensions starting with F

FOP2 Extension sends password-derived authentication and click-to-call commands over cleartext WebSocket.

Faceit Stats by Eloking sends Steam profile lookups to FACEIT with a bundled API bearer token.

Faircado lets any HTTPS page forward messages to the extension, including storage changes and Mixpanel events.

Fanpage likes stores Facebook page access tokens and exposes them to its helper site.

Fast Schema Markup Checker sends analyzed page URLs and domains to Supabase for signed-in users.

FindNiche sends Shopify storefront traffic analysis data to sellercenter.io.

FindSCI retrieves a translator bearer token over HTTP before translating selected article text.

FocusTube redirects blocked YouTube pages to getfocustube.com with the original YouTube URL attached.

Followers Remover sends authenticated Instagram follower-removal requests for selected followers.

Forbole X lets localhost pages send an external reset message that clears the extension's wallet storage.

Frame Companion forwards page JSON-RPC wallet requests and page origin to the local Frame desktop wallet.

AroundDeal's B2B Contact Info extension reports every site you visit, not just LinkedIn, to its own backend while you're signed in.

Free VPN for Chrome connects through hardcoded proxy services and disables other proxy-capable extensions.

FreeServer inserts an rbxservers.xyz iframe into Roblox game pages using the current game ID.

FuseBase PRO lets any webpage replace the Nimbus session header used for later cloud uploads.

Form History Control saves non-password form entries from every site and can reuse single-line entries on other sites.

Free VPN USA - Planet VPN Proxy decrypts remote proxy credentials using a key embedded in the extension.

FUNiX Passport sends exact page URLs to funix-onpage-translator.web.app for hostnames in a remotely refreshed list.

Facebook profile picture viewer sends the active tab URL to downev.com when the popup button is clicked.

Followers Pro - Auto Follow Unfollow sends selected Instagram usernames and post links to Mixpanel analytics.

Format Copier sends Chrome profile email, weekly IP geolocation, and Gmail feedback content to its backend.

Free Route Planner for Google Maps sends your Chrome profile email and route stops to Zeo Route Planner.

Free SMS, Fax Receiver retrieves shared SMS inbox messages from newappzone.com and caches the last response locally.

Force Copy injects page scripts across matching web and file pages to override copy, keyboard, and context-menu restrictions.

FIVERR + sends Chrome profile and Fiverr account details to fiverr-plus.vercel.app on install and startup.

Faceseo sends your Facebook c_user cookie and Faceseo-managed tab activity to faceseo.vn.

Ferrari Wallpaper New Tab sends configured shortcut URLs to Google's favicon service when new-tab shortcuts render.

Filestage removes framing protection headers from all subframe responses after detecting its viewer.

FluentU sends Netflix and YouTube subtitle text to www.fluentu.com for its language-learning features.

Font Finder by WhatFont places its extension ID in the page DOM when you activate the font overlay.

Form Filler writes saved profile details into form fields across all websites.

Form Vault automatically saves form entries and may store password-field values when their field names do not look like passwords.

Fotor Design opens selected page image URLs on Fotor over plaintext HTTP.

FoxFilter reads page URLs, titles, metadata, and body HTML from all sites into its background filter.

Free Fire sends new-tab shortcut URLs to Google's favicon service when rendering saved shortcuts.

Free VPN Proxy - Mars sends a proxy-auth check URL to api.telegra.ph when the VPN connects.

Freedium Link Converter sends selected Medium article URLs to freedium-mirror.cfd.

Friday Night Funkin Game sends a persistent extension UUID to yoki.games every two minutes.

Friendly Tab - New Tab Page sends typed new-tab search queries to Google autocomplete before search submission.

BlitzCapture sends each full-page screenshot event's page URL and title to Google Analytics.

foreUP Printer Extension V3 accepts ForeUP page messages and sends queued receipt data to Star WebPRNT printer endpoints.

FACEIT FORECAST can route FACEIT player and match API lookups through fforecast with a persistent device ID.

F1 Delayed Live Timing sends a persistent user ID with live-timing view telemetry to api.f1delayedlivetiming.com.

FACEIT Detailed CS2 Stats sends a bundled FACEIT API bearer token with its FACEIT stats requests.

FB Messenger Translator Pro sends Messenger messages and draft text to Google Translate for translation.

FREE Twitter (X) Social Data Scraper sends scraped X posts, news, trends, and account details to Supabase.

FUTMind - Club import sends FUT pack openings and club import collection data to futmind.com.

Fabrie Web Clipper uploads selected page content and metadata to Fabrie/Folum backends when you save clips.

Fast Notion sends popup-entered Notion credentials and memo text to its Cloud Function.

Fastcup Enhancer sends Steam profile IDs from FastCup pages to fastcup-enhancer.igoryusha.love with a persistent user ID.

Fatfox新标签页 sends search terms from visited URLs to Goosetab's AI message API.

Filter Anything Everywhere scans page text and hides content that matches the user's local blacklist.

FindFlix sends Netflix account identity and remotely selected viewing, profile, device, list, and downloads data to outside servers.

Fix Discord CDN redirects expired or unavailable Discord attachment URLs to fixcdn.hyonsu.com.

Flexi - AI Tutor sends active-page context to CK12 while its side panel is open.

Flipkart Image Downloader opens a background affiliate tab to sovrn.co when users download images.

FlyForm sends drone-operation map geometry from ministry and ENAIRE pages to sync.flyform.es when AutoSync runs.

FlyMSG sends text from editable fields to WebSpellChecker for grammar, autocorrect, and autocomplete checks.