Bates Numbering
Add bates stamps to PDF pages.
How to Use Bates Numbering
- Upload your file: Drag and drop your file into the active processing area above, or click the box to browse your device files.
- Configure settings: Select your preferred options (such as target file size in KB, compression level, page order, or output format).
- Process locally: Click the primary action button. Your file is rendered and encoded in seconds directly inside your browser memory.
- Download output: Click Download to save the modified document back to your device. No watermarks are added.
Zero-Cloud Privacy Guarantee
Unlike legacy web utilities that upload your sensitive documents to remote servers, PDFtiny executes 100% of processing inside your local browser using WebAssembly. Your files never leave your computer, ensuring complete privacy, enterprise compliance, and offline availability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Processing Engine | Client-Side WebAssembly (WASM) & HTML5 File API |
| Server Transmission | 0 Bytes Uploaded (100% Local Browser Memory) |
| Device Compatibility | Chrome, Safari, Firefox, Edge, Android, iOS, Windows, Mac, Linux |
| Compliance | ISO 32000-2:2020, GDPR Article 25 (Privacy by Design) |
Frequently Asked Questions
What is Bates Numbering used for in legal documents?
Bates numbering (or Bates stamping) is the universal legal standard for indexing documents during civil litigation, discovery, and court filings, assigning a unique sequential alphanumeric code to every page.
Can I customize prefix, suffix, and leading zero digit padding?
Yes, you can configure custom case prefixes (e.g.,
Where can I position the Bates stamp on the page?
You can position stamps in any of 6 standard positions: Top Left, Top Center, Top Right, Bottom Left, Bottom Center, or Bottom Right, with custom font sizing and margin offsets.
Can I apply continuous Bates numbering across multiple merged PDF files?
Yes, process multiple files or a merged exhibit binder with uninterrupted sequential numbering from start to finish.