VeraPDF

VeraPDF is an open-source PDF/A validation and repair software developed by VeraPDF, a project initiated by the PDF Association. It is designed to ensure compliance of PDF documents with the PDF/A standard, which is a specialized version of PDF designed for long-term archiving and preservation of electronic documents.

The software supports various PDF/A conformance levels, including PDF/A-1a, PDF/A-1b, PDF/A-2a, PDF/A-2b, PDF/A-2u, PDF/A-3a, PDF/A-3b, and PDF/A-3u. VeraPDF performs comprehensive validation by analyzing document structure, font embedding, color management, metadata, and other features critical to adherence to PDF/A specifications.

VeraPDF is built on an open-source framework and provides command-line tools, making it suitable for batch processing and integration into digital workflows. Its validation engine is based on the official PDF/A specifications, ensuring accurate assessment and compliance verification.

In addition to validation, VeraPDF offers repair capabilities for certain non-compliant PDF files, aiding organizations in converting existing documents into compliant formats. Its user-friendly interface and detailed validation reports assist users in identifying and correcting issues to meet archival standards.

As a freely available tool, VeraPDF has gained recognition within digital preservation and archival communities. It supports multiple operating systems, including Windows, Linux, and macOS, enhancing its accessibility across diverse environments. Ongoing development and community involvement aim to improve its features, compliance checks, and support for emerging standards in document preservation.