Browser extensions starting with F

Free Chess Analysis copies a user-clicked chess.com game PGN into lichess.org for analysis.

Free Medium Reader sends the current page URL to freedium-mirror.cfd when its reader overlay opens.

FC 26 Sniping Bot lets EA's web app read extension local-storage keys, including a saved login response.

FHD Bilibili Video Downloader sends Bilibili media URLs and page details to youtube4kdownloader.com after a download click.

FNAF Jump Scare injects a timed full-page jumpscare video overlay into the active tab across websites.

Facebook Ad Video Downloader & Ad Data Export lets any webpage trigger its logout and storage reset handler.

Fast Image Research lets any website open reverse-image-search tabs after its optional JavaScript API is enabled.

File Centipede packages page URLs, cookies, referrers, headers, and stream keys for downloads sent to its local service.

Flex Search Engine sends browser search terms to flexsearchengine.com through its default search provider.

FlowTime redirects blocked tabs to flowtime.biz with the page URL, title, and favicon encoded in the query string.

Followers Tracker reads your Instagram follower and following lists and stores derived relationship lists locally.

Fortect Browsing Protection sends your browser history, installed extensions, and Google account email to Fortect servers.

Free VPN for Chrome - GoVPN routes browser traffic through a hardcoded HTTP proxy while showing a 256-bit encryption status.

Free link shortener goo.su sends selected page, link, image, or active-tab URLs to goo.su when the user shortens them.

facebook video downloader - download video from facebook reads Facebook media URLs and saves selected media locally.

FIFA Ticket Scout uploads completed FIFA seat-map scan results to a Supabase endpoint.

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.

IG Follower Export Tool logs Instagram challenge and suspended-page URLs with persistent identifiers to Aliyun Log Service.

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.

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

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

Free VPN VNNet sends proxy credentials to any website that requests HTTP authentication while connected.

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.

Fastboy SS Team Manager ships a hardcoded login token and 4-digit passcode for the vendor's own gocheckin.net booking portal.

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.