PDFdecor
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PDF to PDF/A

Convert to the ISO archival PDF/A format.

PDF to PDF/A is on the way

This tool is scheduled for build phase 2. The page, registry entry, and routing are already wired — only the processor remains.

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How to use PDF to PDF/A online free

  1. Upload your file to the PDF to PDF/A tool.
  2. Adjust the options to fit what you need.
  3. Download your result instantly.

Why use PDFdecor?

  • 100% free — no sign-up, no watermark, no trial limits.
  • Private by design — files are encrypted in transit and auto-deleted after 2 hours.
  • Works everywhere — Windows, Mac, Linux, Android, and iPhone, right in your browser.
  • No software to install — no Adobe Acrobat needed.

Frequently asked questions

Is it free to pdf to pdf/a online?

Yes. PDFdecor lets you pdf to pdf/a completely free — no sign-up, no watermarks, and no software to install. It works in your browser on Windows, Mac, Linux, Android, and iPhone.

Are my files safe?

Yes. Files are transferred over an encrypted connection and automatically deleted from our servers after 2 hours. Nobody can access your documents.

Do I need to install any software?

No. PDFdecor runs entirely online in your web browser, so you can pdf to pdf/a without installing Adobe Acrobat or any other desktop software.