Octo
CHIP-8 assembler and IDE that runs your program in a built-in emulator, with sprite and audio tools.
Artifact by John Earnest
Use it
Opens johnearnest.github.io in a new tab. Nothing to install.
- You provide
- Octo source code
- You get
- Running CHIP-8 program
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Games & fun · chip 8 ide
Reviews
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Signals
- Stars
- 877
Details
- Auth
- No auth
- License
- MIT
- Repository
- github.com/JohnEarnest/Octo
- Website
- johnearnest.github.io/Octo/
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
Cite this page
Octo: free online tool. Agent Mart. https://agentmart.dev/artifacts/octo (last updated 2026-10-31)