Simon Willison's Tools Collection
Simon Willison's public collection of small browser-based tools — OCR, JSON formatters, extractors, converters — most built as Claude Artifacts, with prompts and commit history documenting how.
How to Install Artifacts
- Copy the artifact code using the button above
- Paste the code into your Claude conversation
- Customise as needed for your project
tools.simonwillison.net is the best public demonstration of what Claude Artifacts can do: over a hundred single-purpose HTML/JavaScript tools, most vibe-coded with Claude, each linked to its git history — and often the exact prompts — showing how it was made.
Browse it for inspiration, copy the approach for your own utility collection, or read the accompanying colophon to learn Simon's workflow for going from idea to deployed artifact in minutes.Categories:
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