Convert PDF to PDF/A

Convert PDF to PDF/A-1b, PDF/A-2b, or PDF/A-3b online free. No Acrobat, no watermark. ISO-certified archival PDF converter with font embedding, ICC profiles, and batch support.

If you search for “PDF to PDF/A,” “convert PDF to PDF/A online free,” or “PDF/A converter without Acrobat,” you need a file that still opens correctly decades from now — not just today. We built this converter for compliance teams, legal staff, and records managers who submit court filings, archive contracts, and store government documents under ISO 19005. Upload any standard PDF, pick your conformance level, and download a self-contained PDF/A file with embedded fonts, device-independent color, and XMP metadata — no subscription and no watermark on the output.

What Is PDF/A and Why Does Archival Format Matter?

PDF/A is the ISO-certified subset of PDF designed for long-term preservation. The “A” stands for archiving. A normal PDF can depend on system fonts, live links, JavaScript, or encryption — all of which may fail years later. PDF/A fixes that by requiring a fully self-contained file: every font embedded, colors tied to ICC profiles, and features that break future rendering removed. ISO 19005 defines PDF/A-1, PDF/A-2, and PDF/A-3. Courts, national archives, hospitals, and banks increasingly require PDF/A for electronic records, e-invoicing (ZUGFeRD, Factur-X), and regulatory retention.

PDF vs PDF/A — What Actually Changes for You?

Your document looks the same on screen and in print. What changes is inside the file. Fonts that were only referenced get fully embedded. RGB and CMYK values gain proper ICC profiles so colors stay consistent across devices. JavaScript, encryption, and external dependencies are stripped because they cannot be guaranteed in an archive. XMP metadata records the exact conformance level — for example PDF/A-2b — so validators like veraPDF can confirm compliance. In practice, you get the same visual document with the internal structure archivists expect.

How to Convert PDF to PDF/A in Three Steps

You do not need Acrobat or desktop software. The workflow takes under a minute for most files.

Why Teams Choose This PDF/A Converter

We designed the tool around real archival workflows — not generic PDF export:

• PDF/A-1b, PDF/A-2b, and PDF/A-3b in one place — no switching tools per conformance level
• Automatic font embedding so documents render without relying on installed typefaces
• ICC color profiles for device-independent, print-stable color
• XMP metadata that declares the PDF/A conformance level for validators
• Removes JavaScript, encryption, and other ISO-prohibited content automatically
• Pre-flight checks flag encrypted, scanned, or already-compliant PDFs before you convert
• Batch convert PDF to PDF/A — up to 20 files per session
• Most conversions finish in under 30 seconds
• HTTPS transfer and short server retention — we do not keep your files longer than needed
• Clean output with no watermark — the PDF/A file is entirely yours
• Works on Windows, Mac, Linux, iOS, and Android in any modern browser
• Free to use — no signup required for daily conversion credits

Who Uses PDF/A and Why?

If your documents must survive software changes, PDF/A is the format archivists trust:

• Law firms and courts — PACER and many state courts require PDF/A for electronic filings
• Government agencies — EU and North American records laws often mandate PDF/A for official correspondence
• Healthcare — patient records and trial documentation stored under HIPAA and GDPR retention rules
• Banks and insurers — contracts, statements, and audit trails kept for decades
• Libraries and universities — digitized theses, manuscripts, and research collections
• HR and compliance — employment records, policies, and audit evidence before long-term storage
• E-invoicing — PDF/A-3b as the human-readable layer for ZUGFeRD and Factur-X XML
• National archives and digitization projects — ISO 19005 as the preservation baseline

Online PDF/A Converter vs Adobe Acrobat

Acrobat Pro costs a subscription and requires installation. iLovePDF and similar tools often gate PDF/A behind paid tiers. This converter gives you ISO-oriented PDF/A-1b, PDF/A-2b, and PDF/A-3b output in the browser — free, with batch support and pre-flight checks. For independent proof of compliance, pair your download with veraPDF validation before you submit to a court or archive.

PDF/A Versions Explained — Pick the Right Level

The version you choose determines which PDF features your archive supports:

• Court filings and legal records → PDF/A-1b or PDF/A-2b
• Government document archiving → PDF/A-1b
• Modern business archiving → PDF/A-2b (recommended)
• Documents with digital signatures → PDF/A-2b
• E-invoices with embedded XML → PDF/A-3b
• Scanned paper records → PDF/A-2b after OCR for searchable archives
• When unsure, start with PDF/A-2b — it balances modern PDF features with broad validator acceptance

Convert PDF to PDF/A Now — Free and Compliant

Upload your PDF, select PDF/A-2b for most workflows, and download an archival file in seconds. No Acrobat. No watermark.

Updated June 2026 | Built around ISO 19005-1, ISO 19005-2, and ISO 19005-3 | Validate with veraPDF for independent assurance