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PDF to PDF/A

Convert any PDF to PDF/A-1b — the ISO-standard format for digital archiving. Adds required metadata, embeds an sRGB colour profile, and strips disallowed content. Runs in your browser.

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One PDF · Max 40 MB · for higher limits

What is PDF to PDF/A?

PDF/A is an ISO-standardised subset of PDF (ISO 19005) designed for long-term digital preservation. Unlike regular PDFs, PDF/A files must be self-contained: all fonts embedded, no encryption, no external dependencies, and a full set of XMP metadata. Archives, courts, government agencies and libraries require PDF/A for guaranteed future readability.

How It Works

Upload a PDF. The tool adds the required PDF/A-1b XMP metadata declaration (pdfaid:part=1, pdfaid:conformance=B), embeds an sRGB ICC colour profile in the OutputIntents dictionary, strips encryption and JavaScript, and saves the file with the object stream settings required by the standard. All processing happens in your browser.

Key Benefits

  • 100% browser-based — your PDF never leaves your device
  • Adds the required PDF/A-1b XMP conformance metadata
  • Embeds an sRGB ICC colour profile for colour accuracy
  • Strips encryption and JavaScript — not allowed in PDF/A
  • Free to use with no account or registration required
  • Works on desktop and mobile browsers

Frequently Asked Questions

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