CLAUDE.md token cost calculator

Everything in your CLAUDE.md is loaded into context at the start of every Claude Code session. Paste yours to see the fixed cost. The text never leaves your browser.

Sessions per day: Input price, USD per million tokens: (check your model's current price)

Paste text above.

How to shrink it

Keep it under about 100 lines: exact commands, non-obvious layout, rules you keep repeating.
Move multi-step procedures into skills; they load only when invoked.
Drop rules your linter or type checker already enforces.

Estimate is characters divided by 4 and ignores prompt caching, so treat it as a rough guide. To audit a whole project (skills and MCP servers too), use ccaudit.py.

Lean ready-made templates: free starter kit (MIT) or the full pack, $9.