#header [data-aw-toggle-color-scheme] { display: none; } @media (max-width: 1023px) { #header .np-site-header__menu-toggle { display: none; } #header .np-site-nav { display: block; } #header .np-site-actions { display: flex; flex-wrap: wrap; padding-top: var(--np-space-3); border-top: 1px solid var(--np-border-subtle); } }

NextPDF journal

Tag: standards

2026-06-282 min readEngineering
Validate your PDF output yourself
Published PDF standards samples pair downloadable output with local validator commands. The workflow uses veraPDF and qpdf.
2026-06-283 min readEngineering
Why we built a PDF 2.0 engine for modern PHP
PHP has had PDF libraries for twenty years. NextPDF combines PDF 2.0 output, tagged accessibility, and PAdES signatures in one in-process, strictly typed engine. It produces the requested result or returns a typed failure.