Convert PDF to PDF/A
Create archival-quality PDFs for long-term preservation. Convert standard PDFs to ISO-compliant PDF/A format for regulatory compliance and permanent archiving.
More information about this conversion
From simple conversions to a more complex automation using workflows, PDFengine provides professional-grade tools for every PDF task.
ISO Standard Compliance
Create PDF/A documents that meet ISO 19005 standards for long-term archiving. Ensure your documents remain accessible and legally valid for decades, and custom-choose between PDF/A formats based on compliance needs.
Batch Archival Processing
Convert multiple PDFs to PDF/A format simultaneously or upload ZIP archives containing multiple files for efficient batch archival conversion.
Even greater efficiency with PDFengine workflows
Take document management to the next level by combining and sequencing PDF conversion, optimalization, and/or organization tools. With fully customizable workflows, complicated PDF tasks cost just seconds to complete.
Why choose us to convert your files
Lightning Fast Conversion
Our advanced conversion engine processes your files in seconds, not minutes. Upload, convert, and download - all within moments.
Focus on business
Archive and convert email, AutoCAD, Visio, and Office files in one streamlined workflow. Perfect for companies with recurring document processes.
Perfect Quality Every Time
Our intelligent algorithms preserve formatting, fonts, images, and layouts. What you see is what you get - no quality loss.
How it works
Process your documents easily and quickly in three steps
Upload PDF Files
Select your PDF files or upload a ZIP archive containing multiple documents for conversion.
Choose PDF/A Flavor
Select your desired PDF/A standard: 1b, 2b, 2u, or 3b based on your archiving and compliance requirements.
Download PDF/A Files
Get your ISO-compliant PDF/A documents ready for long-term archiving. Multiple documents are packaged in a ZIP archive.
Frequently Asked Questions
What is PDF/A and why is it important?
PDF/A is an ISO-standardized version of PDF specialized for digital preservation. It ensures documents remain accessible and visually consistent over long periods, making it essential for legal, regulatory, and archival purposes.
Which PDF/A flavor should I choose?
PDF/A-1b is the most widely supported for basic archiving. PDF/A-2b and PDF/A-2u offer improved compression and features. PDF/A-3b allows embedded files. We recommend choosing based on your specific compliance requirements. Read more here.
Can I convert multiple files at once?
Yes, you can upload multiple PDF files or a ZIP archive containing up to 50 files for batch conversion to PDF/A format.
Are PDF/A files compatible with all PDF readers?
Yes, PDF/A files can be opened in any standard PDF reader. The PDF/A format is a subset of PDF that ensures maximum compatibility and long-term accessibility.
Ready to Archive Your Documents?
Convert your PDFs to ISO-compliant PDF/A format for permanent archiving and regulatory compliance.
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