Optimize · PDF

PDF to PDF/A

Prepare a PDF for archival with flatten and metadata — best effort, not certified PDF/A.

How to use

  1. Upload a PDF.
  2. Run best-effort PDF/A prep.
  3. Download and validate in a PDF/A checker if required.

Features

  • Flatten + metadata prep
  • Honest non-ISO disclaimer
  • Runs in your browser. PDFs are not uploaded to ToolsWeb servers.

Privacy & how it works

This PDF tool runs in your browser with client-side libraries. Your files are not uploaded to ToolsWeb servers for this tool. Very large PDFs may be limited by your device memory. Privacy Policy.

FAQ

Is the output certified PDF/A?expand_more

No. Browser conversion cannot guarantee full ISO PDF/A. Validate with an archival checker when compliance matters.

Is this tool free?expand_more

Yes. ToolsWeb tools are free to use with no signup and no paywall for core features.

Do I need an account?expand_more

No. Open the tool and start. We do not require registration for supported tools.

Are my files uploaded?expand_more

No for this tool. Processing runs in your browser. See Privacy & how it works on this page and our Privacy Policy for what network requests still occur when loading the site.

Does it work on mobile?expand_more

Yes on modern mobile browsers. Very large files may hit device memory limits sooner than on desktop.