Free AI assistants and chat tools

8 tools

Browser-based AI tools for chat, summarising, translation, explaining code and answering questions, including open-source clients where you bring your own API key. Each listing states whether it needs an account, a key, or neither.

Showing 1–8 of 8

0.748score
prompts.chat
f
Open prompt library for ChatGPT, Claude and Gemini that you can browse, copy and share.
ArtifactNo sign-up★ 175.3Kai assistants
0.725score
Simple Prompt Generator
WiNE-iNEFF
Minimal web app for assembling text prompts from selectable options.
ArtifactNo sign-up★ 166ai assistants
0.573score
Anthropic Tokenizer (Lunary)
Lunary
Shows how a text may be tokenized by Anthropic's Claude models.
ArtifactNo sign-upai assistants
0.569score
Vibe Coder Prompt Builder
onamfc
Guides you through describing an app so the answers are assembled into a detailed brief for an AI coding assistant.
ArtifactNo sign-up★ 12ai assistants
0.477score
Claude Citations Renderer
Simon Willison
Renders a pasted Claude API JSON response with its citations displayed alongside the text.
ArtifactNo sign-upai assistants
0.477score
Deep Research Session Viewer
Simon Willison
Shows an AI deep-research transcript with reasoning steps, searches and visited pages.
ArtifactNo sign-upai assistants
0.477score
Hugging Face Model Storage Checker
Simon Willison
Adds up the storage size of a Hugging Face model repository from its URL or path.
ArtifactNo sign-upai assistants
0.477score
LLM Token Usage Calculator
Simon Willison
Aggregates token counts from pasted llm logs output across Claude and other models.
ArtifactNo sign-upai assistants