Browser extensions starting with F

FunPay Tools sends chat history and seller draft text to fptools.onrender.com for AI assistance.

Funkify - Disability Simulator lets parent pages trigger clicks inside cross-origin iframes through its content script.

FoE - Helper uploads in-game profile and building data to api.foe-rechner.de when GlobalSend is enabled (on by default).

Foxy Gestures is a local mouse-gesture extension that operates entirely within the browser with no external data transmission.

FantasyPros injects a content script on all pages that can be triggered by any site to read and transmit a user's Sleeper auth token.

Forecastfox loads its API URL configuration from s3blog.org on startup with no integrity check, then routes all weather and location queries through those URLs.

Flag Cookies reads cookies and localStorage from every visited site to display them in its popup, with no observed remote transmission.

FACEIT Predictor sends FACEIT match, player, history, map, and auth token data to its prediction API.

FC 26 Coins Generator FUT captures your EA Ultimate Team session token and sends it to api.futfun.com.

FYI reads the active tab PDF and uploads its encrypted document bytes to foundry.fyi.app.

Fabasoft Folio 2020 relays cookies from any visited page to the local Fabasoft native host when a first-caller web page opens the messaging channel.

Factiva Search for Business Intelligence sends selected text or popup search terms to global.factiva.com when you start a search.

Familycard.be sends the current shop URL path and detected adblocker or cashback extension names to Familycard.

Fanatical PC Game Price Comparison sends game page details and a persistent extension UID to Fanatical's lookup API.

FancyGPT sends saved ChatGPT conversation text to its Firebase Storage bucket when its chat editor opens.

FashionReps Link Converter rewrites shopping and registration pages to URLs with hardcoded referral codes.

Fast OCR lets any website trigger its web-accessible OCR page to send supplied images to remote OCR services.

FastAccess Face Recognition Web Login reads login form credentials on all websites and forwards them to a locally-installed native application for face-recognition SSO.

FastVPN for Streaming sends its user token and saved proxy credentials to vpn.ncapi.io from its popup and service worker.

Feedly Notifier sends each feed item's source site URL to i.olsh.me when rendering favicons in the popup.

Felo accepts postMessage commands from any webpage with no origin check, letting that page probe URLs and check your X/Xiaohongshu login.

Find WhatsApp Link reads your WhatsApp account number and sends it to Aliyun Logs.

Findy reads your LinkedIn session cookies and auth headers and sends them to Reply.io to operate LinkedIn on your behalf.

Firewall Bypass vu loads a remote jsPDF library from cdnjs into VULMS pages.

Fiverr Seller Assistant sends Fiverr gig details and reciprocal view activity to fiverrpromotion.net.

FlareGet Integration captures session cookies and POST form data from all sites and forwards them to the local FlareGet download manager.

Flash Player Extension For Web sends page URLs and device/IP details to an Aliyun log endpoint.

FlashSale AutoBuy sends shopping product URLs and popup tab details with stored location fields to buydekhke.com and unscart.com.

Flipkart Price Tracker sends Flipkart product identifiers to a proxy service and BuyHatke lookup URLs.

Flow Wallet stores Google Drive wallet backups with an encryption key shipped in the extension bundle.

Fluvi Wallet exposes the selected wallet address to page scripts on every matched website.

Follower Watch - IG Tracker routes Instagram profile image URLs through a workers.dev proxy.

Font Identifier by WhatFontIs sends selected font renderings and image snippets to whatfontis.com for identification.

Force.com LOGINS stores Salesforce account passwords in extension localStorage without protection by default.

Forg1 Points sends Kick OAuth tokens and watchtime ticks for supported Kick streams to Forg1 servers.

Formatted Email Subject Lines by cloudHQ sends your Gmail address and extension metadata to cloudHQ on Gmail load.

Foxit PDF Editor Cloud lets websites invoke its viewer to fetch a supplied URL and pass the response to Foxit cloud.

FrankerFaceZ Nightly exposes its Twitch bridge settings commands to parent-page messages without origin checks.

Free PDF Editor uploads selected PDF files to api.pdfconverted.com before opening them in its web editor.

Free VPN Proxy routes browser traffic through a public proxy selected from remote proxy-list providers.

Freshy Search redirects default-search queries to Freshy with a stored Freshy GUID.

FuseBase Assistant accepts session IDs from any webpage and sends them as Nimbus/FuseBase API headers.

focusmode - Stay Focused, Be Present records per-site and per-path browsing dwell time in local extension storage.

fontDownloader sends the active tab's URL and a browser fingerprint to an external server every time a script error occurs.

Fetch Video Downloader records media request URLs and selected headers to build its download list.

Flight Details & Search sends typed and default browser search terms to Yahoo Search affiliate endpoints.

FoxClocks sends clicked statusbar clock details from extension storage to the current page window.

Faceit elo statistics sends searched FACEIT nicknames and profile metadata to Google Analytics.

FastApply sends page error telemetry from most pages where its content script runs to its API.

Filtered Interview Tool sends the URLs and titles of other open tabs to Filtered during interview sessions.

This extension adds a personal digital aquarium that grows as you browse popular websites.

Mine subtitles from movies and series while you keep watching.

FluentAI accepts page messages that can trigger authenticated translation requests.

FocusMe sends the active tab URL and title to its desktop app when tabs or windows change.