Insert LaTeX equations directly into Gmail emails with a visual equation editor.

This Chrome extension adds a ∑ Insert Equation button to the Gmail compose toolbar, allowing you to quickly create and insert mathematical equations into your emails.

The extension includes a visual editor, symbol palette, LaTeX input mode, and live preview.

Detailed usage instructions are available inside the extension popup.

1. Download or clone this repository.
2. Open Chrome and go to: chrome://extensions
3. Enable Developer Mode (top right).
4. Click Load unpacked.
5. Select the extension folder.
6. Open Gmail and start composing an email.

1. Open Gmail and click Compose (or reply to an email).
2. Click the ∑ Insert Equation button in the formatting toolbar.
3. Build your equation using the visual editor or LaTeX mode.
4. Click Insert Equation.

The equation will appear inline inside your email.

• LaTeX equations are rendered using the CodeCogs LaTeX engine.
• The equation is converted into an image.
• The extension inserts the image using Gmail’s paste pipeline, ensuring the equation is delivered correctly to recipients.

Recipients do not need any extension to view the equation.

• Note: You can see the extension working in the screenshots inside the screenshots folder.