Convert PDF to PDF/A — Free Online Tool
Convert any PDF to PDF/A, the ISO-standardised format for long-term digital preservation. Required by many government, legal, and archival institutions — done instantly in your browser.
Drop file here or click to browse
Files stay on your device · Up to 200 MB
Drop multiple files or click to browse
Select multiple files · Up to 200 MB each
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How to Use PDF to PDF/A
Why Use Our PDF to PDF/A Tool?
PDF/A ensures documents remain readable in the future by embedding all fonts, colour profiles, and metadata. It's required for ISO-compliant archives, court submissions, and many government portals.
Frequently Asked Questions
PDF/A is an ISO standard (ISO 19005) designed for long-term archiving. It restricts features like encryption and external dependencies that could make files unreadable in the future.
We target PDF/A-1b compliance — the most widely accepted level for basic visual conformance.
Yes — JavaScript, audio, video, and encryption are not permitted in PDF/A.
Yes — all text, images, and layout remain identical.