Small utilities for people actually working with Claude day to day. Nothing you paste here leaves your browser.
Answer three quick questions and get a straight answer: Chat, Project, Cowork, or Claude Code. Based on the Six Decisions framework.
Paste a prompt or document and see roughly how many tokens it is and what it would cost across Haiku, Sonnet, Opus, and Fable.
Paste markdown - a CLAUDE.md file, a draft, a chat reply - and see it rendered live, side by side.
Paste messy JSON, get it validated and pretty-printed - handy for MCP tool schemas and API responses.
Fill in a few fields and get a starter SKILL.md file, ready to download and drop into a Skill folder.
Paste two versions of a prompt and see exactly what changed between them, word by word.