
Scribbler
Scribbler is an open-source online JavaScript notebook and compiler that lets you write, run, and share code instantly in your browser.
About Scribbler
Best for: AI hobbyists, educators, data analysts, JavaScript developers
Key features
- Runs AI models locally in the browser using WebGPU acceleration
- Interactive notebooks combining JavaScript, HTML, CSS, and Markdown
- No installation, server, or login required to use the platform
- Supports dynamic import of AI and data libraries from CDNs
- Notebooks and outputs can be shared via URL or exported as files
- All computations and data remain private on the user's device
Use cases
- Generating images with models like Stable Diffusion in the browser
- Chatting with local language models for text generation or summarization
- Training and running machine learning models using JavaScript libraries
- Analyzing datasets and creating interactive data visualizations
Pros
- No login or subscription required to use core features
- Open source, and the vendor describes it as private.
- Works offline and does not require an internet connection after loading
Limitations
- Requires a browser with WebGPU support for full functionality
Screenshots

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