6,586 listed
Artifacts
Free tools that open in your browser: calculators, converters, formatters, PDF and image helpers, Hugging Face Spaces and Claude artifacts. Filter by category, AI-powered or plain, no sign-up, and tools that run in your browser; every page links to the live tool and says what it needs.
Showing 1–4 of 4
- 0.478score
Chrome Built-in Model Playground
Simon Willison
Runs prompts against the language model built into Chrome, downloading it on first use.
ArtifactAINo sign-upIn-browserdeveloper tools - 0.477score
Claude Token Counter
Simon Willison
Counts tokens for text and image attachments across several Claude models using Anthropic token-counting API and your key.
ArtifactAINo sign-updeveloper tools - 0.477score
llm-lib Demo
Simon Willison
Try one JavaScript library against OpenAI, Anthropic or Gemini models by picking a provider and pasting a key.
ArtifactAINo sign-updeveloper tools - 0.477score
OpenAI Prompt Caching Playground
Simon Willison
Sends prompts with different structures to OpenAI and shows how many tokens were served from cache.
ArtifactAINo sign-updeveloper tools