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Online PDF to PDF/A converter

Supported types: PDF, DOC, DOCX, ODT, PPT, PPTX, EPUB
(other files will be converted to PDF automatically)

All files are processed locally in your browser and are never uploaded, therefore completely private.

Convert PDF to archival PDF/A-2b format

Convert standard PDF files to archival PDF/A format online for free. PDF/A (ISO 19005) is the international standard for long-term preservation of electronic documents, widely required by courts, government agencies, libraries, and corporate archives. Converting to PDF/A ensures your document will remain readable and look identical for decades to come.

How to Convert PDF to PDF/A

  1. Select your PDF file using the upload button, or drag and drop it into the upload area.
  2. Click the "Convert to PDF/A!" button to embed archival metadata and color profiles.
  3. Download your archival PDF/A-2b document.

Features

  • PDF/A-2b archival structure: Embeds an ISO-compliant XMP metadata stream (`pdfaid:part=2`, `pdfaid:conformance=B`) and PDF 1.7 archival headers.
  • Standardized color profile: Includes an embedded sRGB IEC61966-2.1 ICC OutputIntent profile for consistent visual reproduction across all devices.
  • Preserves original content: Keeps all pages, vector graphics, images, and text intact without adding watermarks.
  • Batch conversion: Prepare multiple PDF files for archiving in a single step.
  • Free and private: Processed 100% locally in your browser — confidential legal or financial documents never leave your device.

All files are processed locally in your browser and are never uploaded to any server.

Need to optimize or secure your PDF as well? Try our PDF optimizer, PDF repair tool, or password protect PDF tool.