Convert files entirely in your browser. Nothing is uploaded. Ever. Your files stay on your machine, always.
Try it free at offlinefileconverter.com →Your files never leave your device
All conversion happens locally using WebAssembly. There is no server. There is no upload. There is no tracking of your files.
Convert between JPG, PNG, WebP, GIF, BMP, TIFF, and more, all locally in your browser.
Merge, split, compress, and convert PDFs without any file ever touching a cloud server.
Trim, convert, and process video files with FFmpeg compiled to WebAssembly.
Format JSON, minify CSS/JS, encode/decode Base64, and other utilities, all offline.
Once loaded, the converter works with no internet connection, perfect for sensitive files.
No sign-up. No email. No profile. Just open the page and start converting.
Free. No account. No uploads. Ever.