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Bates Numbering

Add Bates numbers (prefix + sequential, zero-padded) to every page.

Drop a PDF to number

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PDF up to 100 MB

How to add Bates numbering to a PDF

Apply Bates numbering — sequential, zero-padded numbers with a prefix — to legal, medical and business documents. Bates stamps give every page a unique, referenceable identifier.

  1. 1Open the Bates Numbering tool and upload your PDF.
  2. 2Set a prefix, starting number and number of digits.
  3. 3Click “Add Bates numbers” to download the stamped PDF.
Read the full Bates Numbering guide →

Frequently asked questions

What is Bates numbering used for?
It’s widely used in law and business to uniquely label every page (e.g. ABC-000001) so specific pages can be cited across large document sets.
Is pdfcdf free to use?
Yes. Every tool on pdfcdf is completely free, with no account, no watermarks, and no limits on how many files you process.
Are my files safe? Do they get uploaded?
Your files never leave your device. Every tool runs entirely in your browser, so your documents are processed locally and are never uploaded to a server or seen by anyone.
Do I need to create an account or sign up?
No. pdfcdf works instantly with no sign-up, no email, and no software to install — just open the tool and go.
Does it work on mobile phones and tablets?
Yes. pdfcdf runs in any modern browser on phones, tablets, Mac, Windows and Linux — nothing to download.

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