Invoice Generator

A single-page web application for generating PDF invoices. Runs entirely in the browser — no server required. The built application is a single HTML file you can open locally or host anywhere.

Totally Claude'd ✨

Features

• Generate professional PDF invoices with customizable fields
• Custom logo support — upload any image, stored as part of the template
• Editable line items: description, quantity, tax, unit price
• Configurable VAT/tax rates
• Invoice and due date defaults with smart date selection
• Save and load templates via localStorage for quick reuse
• Import/export templates as JSON files for sharing and backup
• Builds to a single self-contained HTML file

Quick Start

Prerequisites

• Node.js 22+
• Or Nix with flakes enabled (provides Node.js automatically)

Install and Build

npm install
npm run build

The output is a single file at dist/index.html. Open it in any browser — no server needed.

Build and Open

npm run open

Builds the project and opens dist/index.html in your default browser.

Development

npm run dev

Starts a local development server with hot reload.

Nix Users

The project includes a flake.nix. With direnv:

direnv allow

This will automatically set up Node.js 22.

Available Scripts

Script	Description
npm run dev	Start development server
npm run build	Build single-file dist/index.html
npm run open	Build and open in default browser
npm run preview	Preview production build locally
npm run clean	Remove dist/ directory

Templates

Default Template

The app ships with a built-in default template pre-filled in the form. Modify any fields before generating your PDF.

localStorage

Save frequently used templates by name directly in the browser. These persist between sessions.

JSON Import/Export

Export your current form as a JSON template file for backup or sharing. Import previously saved JSON files to restore a template.

License

MIT