Notes on files, formats and the fastest way through them.

Practical write-ups from the FileMutate team: how the tools work, when to use which format, and what "private by default" actually means.

All posts

Convert Aug 2, 2026 · 5 min read

Turning Phone Photos of Documents Into a Clean PDF

A phone camera works fine as a scanner substitute. The result depends more on how you take the photo than on the conversion step itself.

Convert Jul 30, 2026 · 5 min read

How to Convert JPG to PDF Without Losing Image Quality

JPG to PDF is a lossless step by default. Here's what actually determines how sharp your images look once they're inside the file, and the couple of settings worth checking before you convert.