PDF to PDF/A Converter
Convert PDFs to ISO-standard PDF/A for long-term archiving
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PDF/A is the ISO standard for documents that must remain readable decades from now: fonts are embedded, colour spaces are defined and external dependencies are removed. Courts, archives, universities and governments frequently require it.
How to convert to PDF/A
- Upload a PDF.
- Choose PDF/A-1b, PDF/A-2b or PDF/A-3b.
- Optionally enable PDF/UA for accessibility tagging.
- Convert and download.
Which level do I need?
- PDF/A-1b - strictest and most widely accepted baseline for archiving.
- PDF/A-2b - adds transparency and JPEG2000 support; the usual modern choice.
- PDF/A-3b - allows embedded files alongside the document.
Frequently asked questions
Will the document look the same?
Visually yes; the converter normalises fonts and metadata, which can slightly change file size.
Does conversion validate the file?
It produces a compliant file; run a validator if you need a certificate for a specific authority.
Is PDF/UA supported?
Yes - enable the accessibility option to add tagging for screen readers.