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.

This extension separates Facebook browsing into its own container tab.

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.

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.

This extension separates browsing sessions into container tabs with their own site storage and cookies.

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

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

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

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

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

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

Downloads images in batches from web pages, including high-definition pictures and grouped image sets.

Generates email aliases that forward messages to your real address for account sign-ups and newsletters.

Switches browser traffic between proxy servers manually or by rules for URLs, tabs, containers, and private windows.

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.

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

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.

This extension customizes the browser theme using Firefox theme controls.

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

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

Amazon FBA Calculator holds a WebSocket to AMZScout's servers that tells it which Amazon pages to fetch.

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.

Provides a human-checked Chinese translation for Figma-related interface content.

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.

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

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

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.

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

Displays a flag icon showing the physical location of the current website’s server.

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.