Blog

Notes on privacy, browser technology, and how to verify the tools you use.

• August 10, 2026

  How to check that a "privacy-first" tool is actually private

  Any site can put a lock emoji next to the word "private." Here's how to verify it yourself in under a minute, without trusting our word for it.

• August 6, 2026

  Client-side vs. server-side PDF tools: what actually happens to your file

  "In the cloud" and "in your browser" sound similar. The difference is where your document physically travels, and who can see it along the way.

• August 1, 2026

  What is WebAssembly, and why does it let PDF tools skip the upload?

  A short, non-technical explanation of the browser technology that makes no-upload tools possible in the first place.