Start KolibriOS
Press Start KolibriOS. It downloads about 3 MB once, then boots to the desktop.
WAVESPEED AI KOLIBRIOS Runs in your browser
100% FREE
KolibriOS OnlineA whole desktop OS on one floppy, in your browser.
KolibriOS is a tiny operating system written in assembly language: a desktop, file manager, text editor, image viewer, games and demos in 1.44 MB.
Try it here on an emulated PC — no download to burn, nothing to install.
Boots in secondsMouse and keyboardSave and resume
No sign-up Nothing to install Free software only
Loading the emulator…
The PC runs in this tab. Files you add stay on your device.
THREE SIMPLE STEPS
How to use the KolibriOS Online
Click the screen
Click to use the mouse and keyboard inside KolibriOS; press Esc to get your mouse back.
Explore
Open the menu at the bottom left for every program, or double-click the desktop icons. Save the state to continue later.
WaveSpeed AI
Making something to show off?
Create images, videos and 3D models from a short prompt with WaveSpeed AI.
Image Generator
Design a retro-style cover, icon or pixel-art scene for your project.
Video Generator
Turn a screenshot or an idea into a short animated clip.
3D Generator
Make a 3D model of a vintage computer or a game character.
- 1,000+ AI models
- Image, video and 3D
- Pay as you go
$1 in free credits for eligible new accounts. No card needed. Generators have separate account and credit requirements. The PC emulator is free.
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KolibriOS Online FAQ
What is KolibriOS?
A free, open-source operating system for x86 PCs written mostly in assembly language. Its whole system, with dozens of programs, fits on one floppy disk.
Can I try KolibriOS online without installing it?
Yes. KolibriOS 0.7.7.0, the project's own floppy image, boots to the desktop right in your browser in seconds — no disk to burn and no virtual machine to set up.
What can I do in KolibriOS?
Browse files, write in the text editor, view images, play the built-in games and run the demos. Open the menu at the bottom left to see every program.
Is it free and private?
Yes. It is free with no sign-up, and the emulated PC runs entirely in your browser tab.
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KolibriOS Online
Boots in seconds · Mouse and keyboard · Save and resume