PDF to PDF/A Converter
ISO archival format for long-term storage.
Secure cloud processing
Convert a PDF to PDF/A for long-term archiving on your phone or computer, when an organization asks you to submit documents as PDF/A. Pick a conformance level, with PDF/A-2b recommended, and download the result.
How to convert PDF to PDF/A
- 1Select a PDF file.
- 2Choose a conformance level — PDF/A-2b is recommended.
- 3Press the convert button.
- 4Download your PDF/A file.
Why Sahl PDF?
- ISO archival format for long-term storage
- Three levels: PDF/A-2b, PDF/A-1b and PDF/A-3b
- Meets requests to submit documents as PDF/A
- Encrypted upload, deleted immediately
Frequently asked questions
What is PDF/A?
A standardized version of PDF designed for long-term archiving, so the document looks the same in the future.
Which PDF/A level should I pick?
PDF/A-2b is the recommended choice for most cases. Pick 1b if it's explicitly required, and 3b if you need other files embedded in the document.
Will my file look different?
Usually the visible content doesn't change, but elements not allowed in PDF/A, such as scripts, may be removed.
What does the b in PDF/A-2b mean?
It stands for basic conformance, which preserves the document's visual appearance for the long term.
Is the PDF/A converter free?
Yes. You can convert free 3 times a day without signing up.