Free, no-nonsense tools that do their work entirely inside your browser. Your files never touch a server. No sign-up, no tracking.
Convert between JPG, PNG and WebP, shrink file size, and strip hidden GPS/EXIF data from photos — all locally.
Open tool →Fix messy CSV files before importing to Excel or Google Sheets: remove blank rows & duplicates, tidy headers, standardize dates.
Open tool →Most online tools upload your file to a server. A copy ends up on a machine you don't control. These tools work differently. Everything runs in your browser, on your device. Turn off your internet after the page loads — they still work. No server ever receives your files.