Is this tool really free?

Yes! Completely free. No signup, no watermarks, no hidden fees.

Do you store my files or data?

Files processed in real-time, not stored. Generated PDFs stored 1 day then deleted.

Is there a file size limit?

50MB max for free tool. Check API plans for larger files.

How can I automate this?

Subscribe for API access. Integrate with n8n, Make, Zapier, etc.

What is PDF/A format?

PDF/A is an ISO-standardized version of PDF designed for long-term archiving. It ensures documents can be reproduced exactly as intended years later, regardless of software or hardware changes.

What's the difference between PDF/A-1b, PDF/A-2b, and PDF/A-3b?

PDF/A-1b provides basic visual preservation. PDF/A-2b adds support for transparency, layers, and JPEG2000. PDF/A-3b allows embedded files and attachments. PDF/A-2b is recommended for most use cases.

What is PDF/UA (Universal Access)?

PDF/UA ensures your PDF meets accessibility standards, making it readable by screen readers and compatible with assistive technologies. Enable this option for documents that need to be accessible to users with disabilities.

Will my PDF look different after conversion?

The visual appearance should remain the same. PDF/A conversion ensures compliance with archiving standards while preserving the document's visual integrity.

Can I convert password-protected PDFs?

Yes, you can convert password-protected PDFs to PDF/A format. The conversion process will maintain the document's content and structure.

PDF to PDF/A Converter (Free & Online)

Convert PDF files to PDF/A format for long-term archiving compliance. Choose from PDF/A-1b, PDF/A-2b, or PDF/A-3b formats. Fast, secure, and powered by pdf noodle's engine.

🗑️ PDFs permanently deleted after 1 day

⚡️ 10 PDFs per hour free

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