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PDF to PDF/A

Convert PDF to PDF/A archival format (ISO 19005). Adds conformance metadata for long-term preservation.



PDF to PDF/A Converter

Convert your PDF to PDF/A archival format for long-term document preservation. Adds required conformance metadata. 100% browser-based.

What is PDF/A? PDF/A is an ISO standard (ISO 19005) for long-term digital preservation. This tool adds PDF/A-1b conformance metadata to your PDF.
Click or Drag & Drop PDF File

Max 50MB

PDF to PDF/A Converter Online Free – Convert PDF to Archival PDF/A Format

Free PDF to PDF/A converter | PDF/A-1b archival format | ISO 19005 PDF converter | Long-term PDF archiving tool

Convert your regular PDF documents into the archival PDF/A format using our free online PDF to PDF/A converter. PDF/A is an ISO-standardized subset of PDF (ISO 19005) specifically designed for long-term digital preservation of documents. It is required by government archives, courts, libraries, universities, and many compliance frameworks.

This tool adds the PDF/A-1b conformance XMP metadata header to your PDF, making it compliant with the PDF/A standard recognized by archiving systems worldwide. The process is completely browser-based — your document is never uploaded to any external server.

How to Convert PDF to PDF/A – Step by Step

  1. Upload Your PDF — Drag and drop or click to select your PDF file (up to 50MB). The file is loaded locally.
  2. Check Current Info — File name, size, and page count are displayed. Existing metadata like Title and Author are auto-filled for you to review.
  3. Select Conformance Level — Choose PDF/A-1b (recommended), PDF/A-2b, or PDF/A-3b. Enter or confirm the document Title and Author for full compliance.
  4. Convert & Download — Click "Convert to PDF/A & Download". The PDF/A-compliant file is instantly saved to your device.

PDF/A Conformance Levels Explained

Level Full Name ISO Standard Best For
PDF/A-1b Recommended Level B (Basic) ISO 19005-1:2005 Most documents — general archival compliance
PDF/A-1a Level A (Accessible) ISO 19005-1:2005 Tagged PDFs with full accessibility requirements
PDF/A-2b Level B Enhanced ISO 19005-2:2011 PDFs with transparency or JPEG 2000 images
PDF/A-3b With File Attachments ISO 19005-3:2012 PDFs with embedded file attachments (XML, CSV)

Key Features

ISO 19005-1 Compliance
Adds PDF/A-1b XMP metadata conformance statement recognized by archiving systems, document management platforms, and compliance tools.
Zero Content Change
The visible content of your PDF — text, images, layout — is not altered. Only the PDF/A compliance metadata is added.
Complete Privacy
Your PDF is processed entirely in your browser using pdf-lib. No server upload, no third-party data exposure.
Required for Compliance
PDF/A is required by many government agencies, courts, ISO compliance systems, and academic institutions for document archiving.

Frequently Asked Questions

PDF/A (Portable Document Format Archival) is an ISO standard (ISO 19005) for long-term storage of PDF documents. It ensures the document can be reproduced exactly the same way in the future, regardless of changes in software or technology. It is required for legal, governmental, and archival document storage in many countries.

Regular PDFs may contain features that depend on external resources (embedded JavaScript, external font links, encryption, DRM). PDF/A restricts these features to ensure the document is fully self-contained and will remain readable indefinitely. PDF/A documents embed all fonts, color profiles, and metadata.

This tool creates PDF/A-1b (Level B Conformance) by default, per ISO 19005-1:2005. Level B is the most widely required level and is accepted by most government, legal, and archiving systems. You can also select PDF/A-2b or PDF/A-3b.

This tool adds the XMP conformance metadata required by PDF/A-1b. For strict validation (e.g., with Adobe Preflight or VeraPDF), ensure your source PDF already has all fonts embedded and does not use features incompatible with PDF/A (like JavaScript or DRM encryption).

Yes. PDF/A is accepted by MCA21, NIC, court portals, and many state e-governance platforms. It is recommended for long-term storage of legal, financial, and official documents in India.
Related Tools: Edit PDF Metadata | Protect PDF | Compress PDF | Merge PDF
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