PDF to PDF/A Online — Free & Instant

Convert PDF to PDF/A archival format online for free. Required for government and legal document archiving.

🏛️Convert to PDF/A — Free, No Signup

How to pdf to pdf/a in 4 steps

Upload your PDF file
Click "Convert to PDF/A"
Download the PDF/A file
Use for government submissions, legal archives, or long-term storage

Why pdf to pdf/a your PDF?

PDF/A is the ISO standard for long-term archiving. Courts, tax authorities, and government agencies often require PDF/A format because it embeds all fonts and resources for future-proof readability.

Tips for best results

PDF/A-1b is the most widely accepted variant for document archiving
Encrypted PDFs must be unlocked before converting to PDF/A
PDF/A files are slightly larger because all fonts are embedded

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Frequently asked questions

Is PDF to PDF/A free to use?+

Yes. PDF to PDF/A is free for files up to 25MB with up to 3 tasks per day. Upgrade to Pro for unlimited use.

Do I need to create an account?+

No account is needed for free tasks. Sign up to unlock more daily tasks and larger file sizes.

Is my file secure?+

All files are encrypted during transfer and automatically deleted 1 hour after processing. PDFKit never accesses your document content.

Does this work on mobile?+

Yes. PDFKit is fully optimised for iOS and Android browsers. No app download required.

🔒 HTTPS encrypted🕐 Files deleted in 60 minutes🚫 Never read by humans✅ Free, no signup required