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How-To Guide

Stamp a PDF with a Custom Seal

Stamp contracts, applications, and reports in PDF format with a custom seal — directly in your browser. No cloud, no installation. Use the unique Ctrl+V paste workflow to finish in minutes.

No Cloud — Fully In-Browser

  • ✓All processing happens in browser memory. Your files are never sent to any external server.
  • ✓Safe for files containing sensitive or personal information.
  • ✓No account needed. Free and ready to use instantly.

3 Steps to Get It Done

Click any tool name below to go directly to that tool.

  1. 1
    Seal Stamp Maker

    Design and create your seal stamp (round, square, date, etc.). Copy it to the clipboard with the copy button or Ctrl+C.

  2. 2
    PDF Markup

    Open the PDF you want to stamp, paste the seal with Ctrl+V, drag it to the right position, and download.

  3. 3
    Compress PDF

    Optionally compress the PDF to a suitable size for email or electronic submission.

Frequently Asked Questions

Is this digital stamp legally valid?
This tool pastes a seal image onto a PDF and is not a certified electronic signature under e-signature law. It is intended for internal documents, confirmations, and personal use where a formal electronic signature is not required.
Can I create stamps other than personal seals?
Yes. You can create round stamps, square stamps, date stamps, company seals, and more. Font, size, and color are all customizable.
Can I stamp scanned documents (image-based PDFs)?
Yes. PDF Markup works with both text-based and scanned/image-based PDFs.

Related How-To Guides

Redact PDFs Before Submitting or SharingRedact Real Estate Contracts Before SubmissionOrganize PDFs for Tax Filing

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