Edits and runs code
Reads your files, makes the changes, runs your tests and commands, and tries again when something fails.
NEW Version 0.2.2 for Windows
The AI coding agent
that costs zero.
ZeroCap reads your project, writes and runs the code, and checks its own work. No subscription and no API key: it's free, paid for by ads.
A clickable preview: open chats, menus and Settings. Download the app to really use it.
$0
a month, every model built in
- 30 requests a minute
- 4 models: Auto, Basic, Pro, Max
- 5 pixel-art themes
An agent that does the work
Tell it what you want. It plans, edits files, runs commands and fixes what breaks.
Plan mode
Asks its questions first and shows you a plan. Nothing changes until you approve it.
Sub-agents
Hands big jobs to helper agents that search and build side by side.
Plugins and MCP
Connect tools and MCP servers, and add skills to teach it how your team works.
Your files stay yours
Projects and chats are kept on your PC. Only what you send to the AI goes to our servers.
Always up to date
ZeroCap downloads new versions by itself and installs them when you restart.
Pick your world
Five animated pixel-art backgrounds. The thinking slider changes with them, from a ripple to a tsunami. Click one to try it on this page.
How it stays free
1
A small banner
One sponsored banner under each answer. It never covers your work.
2
A short video
A video ad after every 10 answers. You can skip it after 5 seconds.
3
See your stats
Settings > Stats shows your requests, tokens used and ads seen.
Questions
Is it really free?
Yes. There is no subscription and no API key to buy. Ads pay for the AI. Each account can make up to 30 requests a minute.
Windows says "Windows protected your PC". Is that safe?
That message shows for new apps that aren't signed with a paid certificate yet. Click "More info", then "Run anyway". Only download ZeroCap from zerocap.dev.
Where are my projects stored?
On your own PC. Your messages to the AI and the files you share with it are sent to our servers to get an answer.
Is there a Mac or Linux version?
Not yet. Windows comes first.
How do updates work?
ZeroCap checks for new versions on its own, downloads them in the background and installs them the next time you restart it.