File tools that
just work.
Compress images, merge PDFs, resize photos — all processed directly in your browser. Your files never leave your device.
Tool Categories
Every tool runs in your browser — nothing is uploaded to our servers.
PDF Tools
Merge, convert, protect, and manage PDFs.
Image Tools
Compress, resize, and convert images.
Text Tools
Format, sort, and process text strings.
File Converters
Convert documents, images, and other file types.
Math Tools
Convert CSS units, measurements, and math tools.
Developer Tools
Encode, decode, and format code.
Test Tools
Test hardware and browser capabilities.
Video Tools
Convert and manage video files.
Audio Tools
Trim and manipulate audio files.
Miscellaneous
QR codes, passwords, and utilities.
Why use billu.fun?
100% Private
Files are processed entirely in your browser using WebAssembly and Canvas APIs. Nothing is ever sent to a server.
Blazing Fast
No upload wait times. Processing starts the moment you drop your file — results in seconds, not minutes.
Earn Orbs
Every tool use earns orbs. Build a streak, unlock themes, and climb the leaderboard — all for free.
Always Free
All core tools are free forever, no account required. Sign up only if you want to save your history and orbs.