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Claude Token Counter
Estimate token usage for any text — runs in your browser
Your text
0 characters0 words
Estimated tokens
0
≈ 4 chars per token (English prose)
Context window usage
Claude Haiku 4.5Fastest & cheapest
0.0%0 / 200,000 tokens
Claude Sonnet 4.6Best balance
0.0%0 / 200,000 tokens
Claude Opus 4.6Most capable
0.0%0 / 200,000 tokens
Tips for reducing tokens
- Remove redundant comments and examples
- Use bullet points instead of prose
- Keep code snippets short and focused
- Browse lean community rules for inspiration
Find lean CLAUDE.md rules
Browse community-optimized rules that balance context and effectiveness.
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