pdfkoala

PDF to PDF/A

Convert your PDF to PDF/A, the ISO archiving standard, so it stays readable for decades — free, in your browser.

Max 30 MB per file. Files are deleted after 2 hours.

How to convert a PDF to PDF/A

  1. 1

    Select your PDF

    Drop the PDF you want to archive, or click to browse.

  2. 2

    Convert

    Press Convert to PDF/A. We create a PDF/A-2b compliant copy of your document.

  3. 3

    Download

    Download your PDF/A file. Your files are deleted automatically after 2 hours.

Frequently asked questions

Is converting to PDF/A free of charge?

Yes, converting documents to PDF/A is free — no subscription, no account and no watermark on the archived file.

How secure is the PDF/A conversion?

The conversion runs on our servers over a secure connection, and your original and the PDF/A copy are deleted automatically within 2 hours.

Which PDF/A version does the tool produce?

Your document is converted to PDF/A-2b, an ISO standard for long-term archiving that keeps files readable for decades and is widely accepted by institutions.