Every time you use a "free online image compressor," ask yourself: where is my image being sent?
Most image compression tools upload your files to a remote server for processing. Your photos, screenshots, and design assets pass through someone else's infrastructure — and there's no way to know if they're stored, scanned, or resold.
Local Compression Is Not Magic — It's Canvas
The HTML5 Canvas API has had everything we need for client-side image compression for years. Here's the core idea:
Load the image into the browser
