How ZeroUpload Converts Files Without a Server
People assume converting a file needs a server. It used to. Here's the actual tech that lets your browser do it alone, with the internet off.
February 20, 2026
Articles
Plain-English guides on file formats, conversion and keeping your files private.
PNG vs JPG vs WebP: Which Image Format Should You Use?
Why does this image look fuzzy? Why is this file 12 MB? Nine times out of ten the answer is the format. Here's how to pick the right one.
February 3, 2026
Stop Uploading Your Private Files to Random Websites
I almost sent a scan of my ID to a server I'd never heard of, just to change a file type. That's the day I started building ZeroUpload.
January 15, 2026