Free Bates Numbering for PDFs. No upload required.
Add Bates numbers to discovery documents in seconds. Everything runs in your browser — files never leave your device. No accounts, no subscriptions, no ads.
- 100% client-side
- Batch unlimited PDFs
- Works offline
Bates numbering tool
e.g. SMITH
Privacy-first by design
Your PDFs are stamped locally with WebAssembly. Nothing leaves your computer. We can't see your files even if we wanted to.
Works on locked-down systems
Pure browser tool — no installs, no admin rights. Runs on Citrix, VDI, and corporate browsers where Acrobat plugins are blocked.
Built for discovery production
Sequential numbering across files, custom prefixes, configurable padding. Defaults match Adobe Acrobat conventions.
Common questions
Are my PDFs uploaded anywhere?
No. Stamping happens entirely in your browser using WebAssembly. Open DevTools → Network and you'll see zero requests during processing.
Will this work on a confidential matter?
Yes. Because nothing is uploaded, BatesStamp doesn't create the data-handling concerns that cloud-based tools do. See our privacy verification page for IT review materials.
Can I batch-stamp many files?
Yes. Drop multiple PDFs, choose continuous or restart-per-file numbering, and download the whole set as a ZIP.
Read more
How BatesStamp works
The architecture in plain English, plus how to verify the privacy promise yourself.
Read article →A guide for paralegals
Why this exists, what IT will accept, and what features matter for production.
Read article →Free Adobe Acrobat alternative
Side-by-side comparison for Bates work alone — and when to keep Acrobat.
Read article →Modern Bates Express alternative
Cross-platform, browser-based, and free — what changes and what doesn't.
Read article →