EngineeringPrivacyWebAssembly

Why 'Client-Side' Tools are the Future of Privacy

January 24, 20266 min read • by Shreeja Manandhar

When you use a traditional online converter, the process looks like this: Upload -> Wait -> Server Process -> Download. During that 'Server Process' step, your file exists on someone else's computer.

The Client-Side Revolution

With modern technologies like WebAssembly and the HTML5 Canvas API, your browser is powerful enough to do the heavy lifting.

PhotoDiet runs entirely on your device. The image data never leaves your RAM. This means:

  1. Zero Data Leaks: We can't see your files even if we wanted to.
  2. Instant Speed: No uploading 50MB files on slow wifi.
  3. Offline Capable: The tools work even if you disconnect the internet.