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Espruino Web IDE

Writes JavaScript for Espruino boards and uploads it over Web Bluetooth or Web Serial.

Artifact by Espruino

IndexedApache-2.0★ 386Developer toolsNo sign-up

Use it

Opens espruino.com in a new tab. Nothing to install.

You provide
JavaScript and a connected board
You get
Code running on the device
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

Espruino Web IDE is an open-source web app in the developer tools category (javascript microcontroller ide). It opens in your browser, so there is nothing to install. You provide javaScript and a connected board and get code running on the device. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (espruino/EspruinoWebIDE).

Category: Developer tools · javascript microcontroller ide

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Signals

Stars
386

Details

Auth
No auth
License
Apache-2.0
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub
Cite this page

Espruino Web IDE: free online tool. Agent Mart. https://agentmart.dev/artifacts/espruino-web-ide (last updated 2026-10-31)