DOCX, PPTX, XLSX and EPUB all start with the same magic bytes — auto-detect means asking the ZIP what it is

dev.to· rss · 0 points · Oct 3, 2026

DOCX, PPTX, XLSX and EPUB all start with the same magic bytes — auto-detect means asking the ZIP what it is

When I added auto-detect to my universal document converter, I assumed file extensions and...

0 comments

Sign in to join the discussion — your thebay.events account works here.

No comments yet.