Receipt Viewer 🧾

A zero-dependency, single-file HTML image viewer optimized for receipt/document scans. Drop an image and instantly zoom, pan, and inspect details.

Features

• One file — no build tools, no servers, no npm. Open index.html in your browser.
• Drag & drop — or click "Open File" to load images.
• Smooth zoom — mouse scroll wheel, +/− buttons, or Ctrl+/Ctrl−.
• Smart zoom — zooms toward the cursor position, not the center.
• Pan — click and drag the image when zoomed in.
• Fit to screen — one click or Ctrl+0.
• Zero dependencies — single HTML file, open in any browser.
• Clean dark UI — easy on the eyes for long review sessions.
• Keyboard shortcuts — Ctrl+ zoom in, Ctrl− zoom out, Ctrl+0 fit.

Browser Support

Works in any modern browser (Chrome, Firefox, Safari, Edge). No dependencies, no polyfills needed.

Usage

# Just open the file in your browser
open index.html

Or serve it locally (optional):

python3 -m http.server 8000
# → http://localhost:8000

Why?

Built for the German-OCR pipeline — processing hundreds of receipt scans needed a fast, focused viewer. Works for any document image.

Tech

Vanilla HTML5 + CSS3 + JavaScript. Zero frameworks, zero build steps.

License

MIT