Browser extensions starting with F

Identify font details from selected text on websites via the right-click menu.

Free Auto Text Expander for Google Chrome monitors form typing on all sites to trigger local text expansions.

Identifies fonts used on webpages by showing font details for text you point to or click.

Makes text appear darker and clearer on most web pages using CSS font rendering tweaks.

FranceVerif - Sécurité en ligne lets any page ask its content script for the stored FranceVerif user UUID.

Shows Axie Infinity stats and hidden genes while browsing Axie pages.

Check where the current website ranks in Google for a keyword or key phrase.

Fellow sends Google Calendar attendee details and Google Meet URLs to fellow.app for meeting notes, costs, badges, and recorder controls.

Find sci paper forwards the active tab URL or selected text to the configured Sci-Hub domain.

FlowCrypt ships a hardcoded Google OAuth client secret in its extension bundle.

Free VPN Proxy & Ad Blocker - Planet VPN redirects your current tab to an advertiser link after login or a server switch on free accounts.

Adds Fiverr seller tools for keyword analytics, gig rank checking, dark mode, and message reminders.

Flash Player that Works fetches game listings from fflashgames.com and injects them into its popup without sanitizing the returned content.

This extension opens YouTube videos in a small floating window while you use other tabs or apps.

This extension lets users control browser tabs and page actions with mouse gestures and drag actions.

Inspect typography details on a webpage, including font, size, color, and contrast for selected text.

Adds small clocks for local and worldwide time zones to the browser interface.

This extension saves and restores groups of browser tabs as reusable sessions.

This extension translates web page content locally in Firefox.

Fills web forms with random, realistic fake data for testing and data entry workflows.

Send online faxes from Chrome to recipients in more than 180 countries.

Freedom - Website Blocker for Chrome redirects blocked pages to blocked.freedom.to with the original URL in the query string.

FastProxy - Россия transmits hashed browsing history to its servers and applies remotely-fetched proxy and redirect rules to user navigation.

Aggregates RSS, Atom, RDF, and supported social feeds into a standalone browser feed reader.

Adds controls for sending FACEIT match demos to Leetify for stats processing.

FadBlock Origin fetches its ad-detection rules from a remote GitHub Pages endpoint on install and update.

Fast save and repost for Instagram collects Instagram session cookies and auth headers, and sends Instagram link URLs to third-party spector.cx domains on user interaction.

Fidget Spinner is a self-contained browser popup toy that renders an interactive spinning graphic with no network activity.

Flag Cookies reads cookies and browser storage for the active tab so it can display and manage them locally.

Flash AI sends the full URL of nearly every page you visit to its servers to detect product pages.

This extension lists downloadable media files on web pages and starts downloads to your hard drive.

Organizes NotebookLM workspaces with folders, bulk source import, prompt tools, and cleaner dashboard controls.

Folx reads cookies for any downloaded URL and forwards them to the local Folx download manager app via a custom URL scheme.

Downloads files through a right-click download manager with multi-threaded download options.

This extension captures screenshots of webpages, selected areas, and scrolling pages in Chrome.

This extension captures full-page and scrollable-area screenshots from webpages.

This extension shows Google Slides fullscreen while keeping them interactive and editable.

FNF Friday Night Funkin Games bundles several FNF mods as offline browser games playable directly from the extension popup.

Skips waiting, action-gated, and tracking links to help users reach destination pages faster.

Flash Player Plus sends a persistent unique user ID and session timing data to flplayer.net on a recurring schedule.

This extension lets you read .fb2 e-books directly in Chrome.

Right-click an image to run a FaceCheck reverse image search.

Faceit EGO Enhancer embeds a clash.gg gambling ad iframe with affiliate tracking on FACEIT room pages.

FatCoupon Cashback & Promo Codes transmits the full URL of every page visited to its servers and fetches remotely-controlled code that executes in the context of web pages.

FedEx Tracking redirects all omnibox searches to trackingnumbers.org and sets a persistent UUID tracking cookie that is restored if deleted.

This extension adds Chinese localization and workflow helpers to the browser-based Figma interface.

This extension keeps site settings tools available for Webflow users in Chrome.

Firma con token bridges Argentine government websites to a local digital-signing token via Chrome native messaging.

Fitkun Batch Download Image lets any website send chosen image URLs through its hidden iframe to Baidu or 1688.

Flappy Budgies Offline fetches network-filtering rules from a remote server on startup and installs them to control browser traffic.

Adds a to-do list, Pomodoro timer, and wallpapers to new tabs for focused work sessions.

Font identifier assigns each browser profile a persistent UUID and transmits it with telemetry events to onlineapp.pro.

Fontiran downloads font and site rules from chrome.fontiran.com and injects matching font CSS into enabled pages.