idFont - Firefox Extension

A premium font identification extension for Firefox with iOS-style glassmorphism.

Available at Mozilla Firefox Addons
(currently awaiting review)

Features

• Right-click Identification: Right-click any text and select "idFont" to see its font family, weight, and size.
• iOS-style Design: Blurred glassmorphism tooltip with support for both Light and Dark modes.
• Privacy First: No tracking, no external requests. All computations are local.
• Optimized for Firefox: Uses the native browser.menus.getTargetElement API for pinpoint accuracy.

Installation (Side-loading)

Install from Mozilla Firefox Addons

Installation (Side-loading)

1. In Firefox address bar, type about:debugging and press Enter.
2. Click on "This Firefox" in the left sidebar.
3. Click the "Load Temporary Add-on..." button.
4. Navigate to the idFont project folder and select the manifest.json file.
5. The extension is now loaded! It will remain active until you restart Firefox.

Usage

• Right-click on any text on any website.
• Select "idFont" from the context menu.
• A tooltip will appear at your cursor with the font information.
• Click anywhere or scroll the page to dismiss the tooltip.

Project Status

• v1.0: Shipped! Available for side-loading.
• GitHub: skylixone/idFont

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