Token Counter
Estimate token usage for Anthropic's Claude API
API Configuration
API Key
Model
Claude Sonnet 4.5
Claude Haiku 4.5
Claude Opus 4.1
Claude Sonnet 4
Claude Opus 4
Claude Sonnet 3.7
Claude Haiku 3.5
Claude Haiku 3
System Prompt (Optional)
Message Content
Text Input
File Upload (Optional)
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Drop file here or click to browse
Supports: Images (JPG, PNG, GIF, WebP), PDFs
📄
×
Count Tokens
Total Input Tokens
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API Response
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