Guides/POS billing
How to pos billing free — no upload, no watermark
Catalog and history live in IndexedDB on this device. Print thermal-style or save PDF. This guide is for ProMaxPDF on promaxpdf.pro. The file never leaves your browser — students and businesses use the same local engine.
- Open the tool. No account. The page loads the editor in your browser.
- Add files. Drop files onto the page. They are read locally and never uploaded.
- Sell. Set shop details, add products, charge, print or download.
- Download. The result is saved to your device. Nothing is stored on a server.
FAQ
Multi-device sync?
No cloud. Export/import JSON if you move computers.
Are sales uploaded?
No.
Thermal printers?
Use the browser print dialog with a 80mm receipt layout.