PDF to PDF/A Online Free
Transform your PDF into an ISO-standardized PDF/A archival document for long-term preservation. 100% private client-side processing in your browser with zero server uploads.
Click to select file or drag & drop here
Supported formats: application/pdf • Processed 100% locally in your browser
How to Use PDF to PDF/A Online
Upload Standard PDF
Select the document you need to prepare for court filing, thesis submission, or long-term archiving.
Select Conformance Profile
Choose PDF/A-1b, PDF/A-2b, or PDF/A-3b archival metadata profile and flatten dynamic form appearances.
Download Archival PDF/A
Download your standardized PDF with embedded XMP pdfaid schema headers.
Frequently Asked Questions — PDF to PDF/A
What is PDF/A used for?
PDF/A (ISO 19005) is required by courts, universities, government portals, and archives for self-contained long-term preservation.
What changes are made during conversion?
Interactive forms are flattened, XMP archival conformance metadata (pdfaid:part & pdfaid:conformance) is embedded, and document catalog headers are standardized.
Is the visual layout changed?
No, your pages look identical while meeting archival structure requirements.