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PDF to PDF/A
Convert PDFs to PDF/A for archival and long-term preservation. Choose the appropriate PDF/A ISO conformance level.
Select PDF files
or drop PDF here
Convert PDFs to PDF/A for long-term preservation using the PDFZila tool. Choose the ISO conformance level that best fits your archival requirements.
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ISO-standardized PDF/A
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Convert PDFs to PDF/A free
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TLS encryption for secure document processing
PDF/A reliable archiving and long-term preservation
PDF/A is an ISO-standardized version of PDF designed for durable digital preservation. It omits features ill-suited for long-term archiving, such as font linking (versus font embedding) and encryption. PDFZila is your essential tool.
Secure and free PDF/A conversion.
No expensive software is required to convert PDFs to PDF/A. Files are processed over TLS and permanently removed within an hour to protect your data.
Available on Windows, macOS, Linux, and mobile platforms
PDFZila runs in any modern browser, delivering cross-platform support on macOS, Windows, Linux, and mobile. Convert PDFs to PDF/A without installation, quickly and at no cost with PDFZila.
Convert and securely preserve your documents with PDFZila.
With PDFZila, convert PDFs to PDF/A swiftly while preserving long-term validity and compliance with archival standards. Choose from multiple PDF/A ISO conformance levels to suit your needs. Try PDFZila today and safeguard your important documents for the long term.
PDF/A: The ISO-standardized format for PDFs
Ensure reliable reproducibility and print fidelity by converting to ISO-standard PDF/A. PDFZila's converter supports common conformance levels: PDF/A-1b, PDF/A-2b, and PDF/A-3b. Select the PDF/A profile that aligns with your archival goals and protect long-term document preservation.
Turn PDFs into PDF/A anytime, anywhere with PDFZila
One key benefit of our online service is cloud-based processing, easing local resource use. Once your PDF/A is ready, you can compress it and apply password protection for added security.
Frequently Asked Questions
Yes. This PDF to PDF/A converter is free to use online. You can convert PDF files to the PDF/A standard without registration or software installation.
PDF/A is an ISO-standardized format designed for long-term document archiving. It ensures fonts, colors, and content are embedded for reliable future access.
Yes. All files are processed using secure HTTPS encryption. Uploaded PDFs and converted PDF/A files are automatically deleted from our servers after a short period to ensure privacy and security.
How to convert a PDF to PDF/A for free
To convert a PDF to PDF/A for free, use the online tool PDFZila. Here's a concise, step-by-step guide:
- Click to select or drag and drop PDFs into our PDF-to-PDF/A converter.
- In the conversion settings, choose the desired PDF/A conformance level. Common options include PDF/A-1b, PDF/A-1a, PDF/A-2b, PDF/A-2u, PDF/A-2a, or PDF/A-3b, PDF/A-3u, and PDF/A-3a, based on your archiving and preservation needs.
- Click Convert to PDF/A to begin the conversion. The process may take a moment, especially for large files or during peak times.
- Your PDF/A will be ready momentarily. Download the file or share the link with others.
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wrong password
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Damaged/Corrupted File
We can't process damaged or corrupted files. Please verify the file by opening it in a PDF viewer. If it won't open, it may be damaged. Restore a valid copy and try again.
