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About HushPDF

Private by design

  • Files are processed in your browser — never uploaded, tracked, or stored.
  • Free & open source (MIT) — audit, self-host, or fork it.

Limitations

  • Password-protected PDFs aren’t supported.
  • Up to 50 MB per file (150 MB total when merging).
  • It edits the finished PDF, not the Word or design file it was made from.
  • Forms, annotations, or signatures may not carry over when pages are copied.
  • Signatures are images (e-signatures), not certificate-based digital signatures.
  • Typed text supports Latin, Greek, Cyrillic, Bengali, Devanagari and Arabic.
  • Compression helps most with scanned or image-heavy PDFs.
  • OCR (beta) downloads a language model on first use; your pages stay on your device.
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Add page numbers

Number your pages

How it works

Number every page of a PDF in the style you want, with a live preview before you save.

  1. Add one PDF file.
  2. Pick a position, format and size — the preview updates as you go.
  3. Set the starting number, and skip the first page if it’s a cover.
  4. Choose “Add page numbers” and download the result.

Questions

Can I start numbering from a number other than 1?

Yes. Set “Start at” to any number — handy when a document continues from another file.

Do sideways (rotated) pages work?

Yes. Numbers are placed relative to the page as you see it, so they’re upright and in the right corner even on rotated pages.

Are my files uploaded to a server?

No. Every operation runs locally in your browser using JavaScript (pdf-lib, with page previews from PDF.js). Your documents are never transmitted to us or to any third party, and there are no accounts, watermarks, or file-retention tricks. You can even disconnect from the internet after the page loads and the tools still work.