PDFHandle

Watermark PDF

Stamp semi-transparent text across every page.

Watermark PDF is launching soon

We’re putting the finishing touches on it. Want first access the day it goes live?

Get early accessTry the free calculators →

Private & offline by design — your files are processed in memory and never stored.

How to watermark pdf

  1. 1Upload your file, or drag and drop it in.
  2. 2Add watermark — it processes instantly on our server.
  3. 3Download the result. The one-time link expires in ~15 minutes, then the file is deleted.

Why use PDFHandle

Processed in memory Deleted within ~15 minutes No files stored, no PII No daily limits, no sign-up

Stamp semi-transparent text across every page. PDFHandle runs entirely on our own server with no third-party services, so your documents stay private — they're processed in memory and deleted within about 15 minutes.

Frequently asked questions

Is Watermark PDF free?

Yes. Watermark PDF is completely free — no sign-up, no watermark, and no daily limits.

Are my files kept private?

Yes. Files are processed in memory on our own server — no third-party services — and deleted within about 15 minutes. Nothing is stored and no account data is attached.

Do I need to install anything?

No. It runs in any modern browser on desktop, tablet, or phone. There's nothing to download or install.

Is there a file size limit?

Each file can be up to 50 MB. Larger documents can be split first with the Split PDF tool.

Related tools

Fill a formType into a fillable PDF's form fields and download the result.Sign PDFPlace your signature or logo image onto a document.Page numbersStamp 'n / N' page numbers onto every page.Bates numberingStamp sequential legal Bates numbers (e.g. ABC-000123).Edit metadataSet the title, author, subject, and keywords.

Looking to pull tables out instead? Convert a PDF to verified Excel — we prove every total foots.