PDF/A has become the gold standard for preserving digital documents, ensuring they remain readable and reliable for decades. OctoPDF makes it easy for anyone to validate these files for free and with complete accuracy.
The PDF industry is preparing for the quantum era by adopting post-quantum cryptography (PQC) standards. Following key developments at PDF Days 2025, vendors are integrating quantum-resistant digital signatures to ensure long-term trust and security in PDF documents.
We’ve been running our PDF/A conversion tools across some large corpora, created by the Open Preservation Foundation, consisting of 15,083 PDF documents. Here’s what we’ve learned in the process.