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veraPDF

VeraPDF is a file-format validator for the PDF/A archiving standard.

  • Completely free
  • Linux
  • Open source

At a glance

All of veraPDF is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

veraPDF is a purpose-built, open source, file-format validator covering all PDF/A parts and conformance levels. veraPDF is designed to meet the needs of digital preservationists and is supported by the PDF software developer community.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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