All extensions

Try your own font on any website. Add an OTF, TTF, WOFF or WOFF2 file and see the page set in it, all on your computer.

Font Checker Pro

See which fonts a page really renders, highlight where they are used, and look up licenses. Runs locally; no tracking.

Font Detector

See every font a web page actually renders, where it comes from, and hover any element to inspect its typography.

FontExporter - Web Typography Scanner & Excel Export

Inspect and scan computed CSS font styles on any website and export typography specs directly to an Excel sheet.

Font Finder by Letterhead: What Font Is This?

Click any text to see what font it is, with its size, weight, spacing and color. Copy the CSS in one click.

FontGoblin — Catch good type

Inspect fonts, tags, colors, and contrast. Compare picks and copy CSS or verified selectors.

Font Scope

Inspect and extract typographic information from any website.

FontSpot

Hover to identify fonts, click for complete typography details. Simple, fast, and works offline by AIO.com.ai

Font Swap

Preview any Google Font on the current page.

Foodbot Bank Feed

Reads bank movements from BBVA, Santander and Banorte pages and sends them to your FoodBot account.

Footgun Keys

Guided API key setup. Keys go from the provider page straight to your Mac Keychain.

Foplink Reviews

Join a shared website review and pin feedback to exact elements.

ForcesBetter — Codeforces, but nicer

Dark theme, a code editor with sample tests beside the statement, rounded cards and Easy/Medium/Hard tags for Codeforces.

Forge - Color Picker

Capture color inspiration, organize palettes, and access them anywhere.

Forky

Export every GitHub issue to CSV in one click.

Form Autosave — Form Recovery & Backup

💾 Automatic form autosave & recovery — never lose a long form to a crash. 7-day free trial.

Formax

Control Chrome with Formax.

FormBoundary — Form Validation Checker

Check whether HTML form constraints match client-side validation after input, change, and blur.

Form Filler

A browser extension to fill forms automatically

Form Filler

Auto-fill web forms with realistic test data. Smart field detection, random data generation, and multiple profiles.

FormFiller AI

Auto-fill any web form with realistic test data.

FormSignal — HubSpot Form Preflight

Preflight HubSpot forms for field, consent, tracking, and delivery risks before launch.

Forms templater

Fil forms by Your data custom templates

FORUMX — Site Intelligence

Instant site audit on any page — broken images, missing alt text, contrast issues, SEO gaps.