/ Journal

Notes from the workshop.

Occasional dispatches on PDF productivity, native engineering, and the case for offline, privacy-first software.

Release

RevPDF 4.5: the biggest mobile update yet

Auto redaction, find and replace, a multi-tabbed viewer, auto save, three new themes, and more, now on Android and iOS.

Read post Build log

How I built a ~30 MB PDF editor

The journey of writing a privacy-first, high-performance native PDF editor 10× smaller than the industry standard.

Read post Linux

The best offline PDF editor for Linux in 2026

Why a native, C++-powered offline editor is a game-changer for Linux document productivity.

Read post Privacy

100% private PDF editing

In an era of cloud processing, document privacy is under threat. Why processing PDFs locally isn't just a feature, it's a necessity.

Read post OCR

Make a scanned PDF searchable, offline

Free offline OCR for any scanned PDF, two methods, a confidence score, and your file never leaves your device.

Read post Offline

The PDF editor that actually works offline

What truly offline means, why it matters for privacy and reliability, and the airplane-mode test most PDF editors fail.

Read post