Every file tool you need, right in your browser
UtilStax is a free suite of in-browser PDF, image, video, and audio tools. Files are processed on your device - never uploaded - with no installs, no watermarks, and no sign-up.
Drop any file here to get started
PDF, image, video, or audio - we'll suggest the right tool
Popular tools: click to start
Don't take our word for it: open your browser's network tab while you work - nothing uploads. How to verify
What do you need to do?
Pick a category to see all available tools
Work with PDF files
Merge, split, organize, sign without Acrobat
Image
11 toolsCompress and edit images
Resize, convert HEIC, remove backgrounds
Video & Audio
11 toolsTrim, compress, convert media
Get videos under platform upload caps
Quick Utilities
14 toolsConvert, encode, decode
QR codes, JSON, base64, file conversion
All tools
Jump straight to any tool
Image
Video & Audio
How it works
Three steps. Zero friction.
Upload your file
Drop or select any supported file
Process in your browser
Files never leave your device
Download the result
Instant. No sign-up needed.
Early Supporter pricing
The first 500 founding members lock in $29/year forever. The rate never increases, even when prices do.
See pricing detailsReady to get started?
Pick any tool above and start processing files instantly. No account required. No files uploaded to our servers.