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Convert PDF to PDF/A Online

Convert any PDF to the PDF/A archival format — required for legal records, compliance, and long-term digital preservation.

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PDF files up to 100MB · Processed securely in your browser

Converted to PDF/A

Your archival PDF is ready to download — completely free.

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How it works

Three simple steps

Upload your PDF

Select the PDF to convert to PDF/A format.

Choose PDF/A version

PDF/A-2b is recommended for most uses.

Download PDF/A

Download your archival-compliant PDF — 100% free.

FAQ

Common questions

What is PDF/A?

An ISO standard (ISO 19005) for long-term digital archiving. All fonts embedded, no external dependencies.

When do I need PDF/A?

Court filings, government records, medical records, financial archives, and compliance documents.

Difference between PDF/A-1b and PDF/A-2b?

PDF/A-1b is older, more compatible. PDF/A-2b supports JPEG 2000 and transparency. PDF/A-2b recommended.

Will my PDF look different?

Rarely. Some transparency effects may be flattened. Text and images are preserved.