Yes. Every invoice you create and download as a PDF is completely free, with no limits and no watermark.
No. You don't need to sign up, log in or give an email address. Open the page and start filling in your invoice.
No. Everything runs client-side in your browser. Your invoice details, logo and totals never leave your device, and the PDF is generated and downloaded locally.
Yes. Upload a logo image and pick an accent colour, and both carry through to the live preview and the exported PDF.