Browser extensions starting with F

Foxit PDF Creator reads session cookies for the current tab and passes them to the locally-installed Foxit native host during PDF conversion.

FUJIFILM Synapse Extension bridges Synapse web pages to a local native host for Windows registry access and background URL polling.

Free Download Manager accepts remote uninstall commands from freedownloadmanager.org pages, allowing any such page to remove the extension.

Captures full-page, visible-area, or selected webpage screenshots and saves them as PDF, PNG, or JPEG.

Adds HTTPS browsing support for F-Secure security products, including banking protection and site ratings.

Free VPN For Chrome - Planet VPN resolves its backend API URL from a Telegraph dead-drop page on every startup, allowing the operator to silently redirect all traffic.

This extension helps you stay focused by using timed work sessions and virtual trees.

Enforces FortiClient web security filtering for browsing on Chrome devices.

Switches Chrome or Firefox proxy settings by click, URL pattern, or individual browser tab.

Adds FantasyPros advice and rankings to fantasy football league and draft sites.

Focus To-Do ships hardcoded STOMP broker credentials in its bundle, connecting all users to a shared message queue at mq.focustodo.net.

Fills web form fields with randomly generated fake data for testing.

Flexera Web Metering records every visited URL and the signed-in user's identity and sends both to a local Flexera agent every 5 seconds.

Inspect fonts on webpages and copy detailed typography information from selected text or elements.

Figma embeds an OAuth client secret and uses it when refreshing tokens with api.figma.com.

Provides Five9 telephony contact center capabilities in web-based business applications.

View global weather conditions on a full-screen Google Maps interface with radar, satellite, and alerts.

FACEIT FORECAST sends FACEIT page category and a stored extension device ID to api.fforecast.net.

FUTGenie Extension reads your FIFA Ultimate Team club data, auction history, and pack results and sends them to its own servers to power its squad-building tools.

FastForward lets any website ask its content script to query or submit crowd-bypass URL records.

This extension connects browser pages with the Five9 softphone through local WebSocket communication.

Adds quick research and management details to Fiverr gig and buyer request pages.

Play Flappy Bird in a Chrome toolbar popup without needing an internet connection.

Create detailed floor plans for homes, gardens, offices, events, and room layouts.

Feedly's mini widget accepts postMessage commands from any origin whose string merely contains "feedly.com".

FireShot sends a persistent GUID and extension metadata to the local vendor app at startup and crash reports to screenshot-program.com.

FrankerFaceZ exposes its settings store to YouTube pages via an unguarded externally_connectable message handler.

Free Download Manager captures HTTP headers and cookies for all browsed URLs and sends them to the local FDM app via native messaging.

Adds opponent and map intelligence to FACEIT CS2 matchrooms.

Family Search sets Privatesearch as the default search provider and sends typed searches and suggestions to its domains.

Plays Flash content on webpages using a JavaScript emulator.

This extension displays YouTube Live chat messages flowing over the video.

This extension hides ads, sponsored posts, game spam, and other selected Facebook content.

FoE - Helper sends Forge of Empires player and guild identifiers to api.foe-rechner.de when the game starts.

FocusGuard reads each page URL and sends it to its service worker for local site-block checks.

This extension monitors and blocks unauthorized transfers of sensitive content under organization DLP policies.

Free Time Games executes scripts from its remote changelog inside the extension options page.

This extension adds one-click full-screen modes for web pages, tabs, windows, and HTML5 videos.

Full Screen for Google Tasks sends a stable Google Tasks list ID and app settings to its diagnostics server on signed-in launches.

Followers Exporter sends Instagram export traffic to getwebooster services and proxies avatar URLs through its worker.

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

Fast Signature relays eFast signing requests and active-tab IDs to a local native messaging host.

This extension lets you play a Flappy Basketball arcade game in the browser.

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.

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

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.

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

Explore the human skeletal system with an interactive 3D anatomy study tool in the browser.

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