BatesTool
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Best free Bates stamp software

Free Bates stamping is real, but the free options differ in one way that matters more than features: whether your document is processed on your machine or uploaded to someone else's. This guide ranks the free categories, states their limits plainly, and walks through stamping a PDF at no cost.

What 'free' actually buys you

Free Bates stamping tools generally cover the core job: apply a prefix, a starting number, and zero padding to every page of a PDF in a continuous sequence. That is enough for most single productions and most exhibit sets.

What free tiers usually withhold is continuity infrastructure: saved case matters that remember the next available Bates number, unlimited batch volume, saved stamping profiles, and a production history. Those matter when you produce documents repeatedly on the same case, because that is where sequence collisions happen.

The security question comes first

Before comparing features, ask where the PDF is processed. A client-side tool parses and rewrites the document inside your browser and never transmits it. A server-side tool uploads the file, processes it remotely, and stores it at least temporarily.

For privileged or confidential client material, that distinction is a professional-responsibility question, not a preference. The ABA's Model Rule 1.6 requires reasonable efforts to prevent unauthorized disclosure of client information, and Comment 8 to Rule 1.1 extends the competence duty to the benefits and risks of the technology you use. A free tool that uploads privileged documents is a decision you should be able to explain.

BatesTool processes files entirely in the browser on every tier, including free. See the security page for how that works.

Free Bates stamping options, ranked

Client-side browser stamping tools

Free tier, no account required to start

These tools load the PDF into the browser, rewrite the page content locally, and hand back a stamped file. Because nothing is uploaded, they are the only free category that is straightforwardly compatible with privileged material. BatesTool's free tier works this way and includes batch stamping, exhibit and confidentiality marks, and a production index CSV.

Strengths

  • No install, no upload, works on any OS
  • Batch queue with drag-and-drop reordering
  • Production index mapping filenames to Bates ranges

Limits

  • Free tier caps the number of saved case matters
  • Not a review, search, or redaction platform

Server-side online PDF utilities

Free with daily task limits

General-purpose online PDF sites often include a Bates or page-numbering feature in a free tier. They are convenient and usually capable, but the file is uploaded to the vendor's servers for processing and retained for some period afterward.

Strengths

  • No install and a familiar interface
  • Often bundled with merge, split, and compress

Limits

  • Files are uploaded to third-party servers
  • Daily task caps and file-size ceilings
  • Rarely supports separate exhibit labels

Free desktop PDF readers with stamp features

Free download

Some free desktop readers include a stamp or header and footer tool that can approximate Bates numbering across a single document. Processing is local, which is a security advantage, but the workflow is manual and does not scale past a few files.

Strengths

  • Local processing with no upload
  • Works offline

Limits

  • Usually one document at a time
  • No continuous numbering across a set
  • No production index

Open-source command-line PDF libraries

Free and open source

Scripting a stamp with an open-source PDF library gives complete control over font, position, padding, and output naming. It is genuinely free and fully local, and it is the right answer only if someone on the team is comfortable maintaining a script.

Strengths

  • Total control and full automation
  • No licensing cost at any volume

Limits

  • Requires scripting ability
  • No interface, no preview, no safety rails
  • Errors are silent until someone reads the output

Free trials of paid stamping software

Time-limited trial

A trial of a full PDF suite covers a single urgent production well. It is not a durable answer, and trial output sometimes carries a watermark that you cannot file.

Strengths

  • Full feature access during the trial
  • Useful for evaluating before purchase

Limits

  • Expires, often mid-matter
  • Possible watermarks on output
  • Requires account creation and payment details

How to Bates stamp a PDF for free

  1. Gather every PDF for the production and put them in the exact order they should be numbered.
  2. Open a client-side Bates stamping tool so the files are processed on your own device.
  3. Set the prefix, the starting number, and the digit padding, for example ABC000001.
  4. Choose the stamp position, keeping clear of page content and any existing footer.
  5. Add exhibit or confidentiality text if the production requires it.
  6. Run the batch, then download the stamped PDFs and the production index CSV.
  7. Verify the first and last page of the set to confirm the range is continuous.

For a fuller walkthrough including position, padding, and batch ordering, read how to add Bates numbers to a PDF.

When the free tier stops being enough

The moment to upgrade is almost always the second production on the same case. That is when you need the tool to remember where the last sequence ended, because manually tracking the next available number across rolling productions is how ranges collide.

Persistent case matters, unlimited volume, and production history are what the paid tier exists for. Everything else, including exhibit marks and confidentiality designations, is available free. See pricing for the exact split.

Frequently asked questions

Is there free Bates stamp software?

Yes. Several browser-based tools stamp Bates numbers at no cost, and BatesTool offers a free tier that applies Bates numbers, exhibit marks, and confidentiality designations without uploading your files. Free desktop options also exist, though they usually require installation and manual configuration.

How do I add Bates numbers to a PDF for free?

Open a browser-based Bates stamping tool, add your PDFs to the queue in production order, set a prefix and start number, choose the digit padding and stamp position, then run the batch and download the stamped files along with the production index.

Are free Bates stamping tools safe for privileged documents?

It depends entirely on where the file is processed. Client-side tools parse and rewrite the PDF in your browser, so the document never leaves your device. Tools that upload the file to a server for processing put privileged material on third-party infrastructure, which may conflict with your confidentiality obligations.

What are the limits of free Bates numbering tools?

Common limits include a cap on file count or page count, watermarks on output, no batch processing, no saved matter settings, and no production index export. Check for those limits before you rely on a free tool for a filing deadline.

Can I Bates stamp a PDF for free without installing software?

Yes. Browser-based tools run entirely in the page, so nothing is installed. This is also the fastest option when you are working from a borrowed or locked-down machine.

When should I pay for Bates stamping software?

Pay when you need persistent case matters that carry the next Bates number forward between productions, unlimited batch volume, saved stamping profiles, or a production history you can audit later. For a one-off exhibit set, free is usually enough.

Stamp a PDF free, right now

No account, no upload, no watermark. Bates numbers, exhibit marks, and a production index in your browser.

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Keep reading

Best Bates numbering softwareA side-by-side comparison of stamping tools, PDF utilities, and review platforms.Bates stamp in Adobe AcrobatThe Acrobat workflow step by step, plus a faster browser alternative.Best exhibit stamp toolsHow to mark deposition and trial exhibits without breaking your sequence.Top 10 eDiscovery softwareWhere stamping fits in the wider collection, review, and production pipeline.