Help & Feedback Hub

Get in Touch with 0Stamp

Have a feature request, bug report, or stamp preset suggestion? We typically reply within 24–48 hours.

Direct Support

Reach out directly for bug reports, browser compatibility issues, custom preset suggestions, or enterprise confidentiality questions.

Direct Inquiries: support@0stamp.com

Typical response: 24–48 hours

Common Questions & Fast Answers

Architecture & Security Are my documents ever uploaded to a server? → Never. Review our 100% in-browser WebAssembly security model in the Privacy Policy. Mission & Ethos Why is 0Stamp completely free? → Read our anti-subscription manifesto and why we built 0Stamp for freelancers. Legal & Ownership Can I use 0Stamp for official client billing? → Yes, 100% permitted for commercial and enterprise invoicing under our Terms. Feature Capabilities How do I batch stamp multiple documents? → Drag multiple PDFs or images directly onto the workbench dropzone to stamp sequentially.