🔢 Token Counter 2026

Count tokens for any LLM. Estimate API cost before you run. 100% local — no data leaves your browser.

🔒 100% local GPT-4o / o3 Claude 3.7 Gemini 2.0 DeepSeek V3 Llama 3.3 Mistral
🔒 All processing happens in your browser. No text is sent to any server. Works offline.
📂 Drop any text file here to count its tokens instantly
✏️ SYSTEM PROMPT
💬 USER MESSAGE
📊 Stats
0
Total Tokens
0
Characters
0
Words
0.0
Chars / Token

📐 Context Window Usage

💰 Cost Estimate (per call)

2× output tokens = input × multiplier
Model Tokens Input Cost Output Cost Total

Prices from official docs as of March 2026, may change. Verify before production use.

🎨 Token Visualization (approximate, BPE-style)

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