Token Calculator
Count tokens locally for prompts, documents, code, and estimate API costs across OpenAI, Claude, and Gemini. Free browser-based tool.
Editor's Verdict
Key Takeaways
- Local Token Counting
- Multi-Provider Cost Estimation
- Token Visualization
- Word & Character Counts
In-Depth Review: What is Token Calculator?
Token-Calculator.net is a free browser-based token counter for LLMs. It processes text locally to count tokens, words, and characters, then estimates input, cached-input, and output costs for major model providers including OpenAI, Claude, and Gemini. Use it to check context window fit, compare model pricing, and optimize prompts before API calls. No data leaves your device.
Core Features
Local Token Counting
Count tokens locally in your browser without uploading text to any server, ensuring privacy.
Multi-Provider Cost Estimation
Estimate API costs for OpenAI, Anthropic Claude, and Google Gemini models based on token count.
Token Visualization
See how text is split into tokens with real-time visual feedback as you type or paste.
Word & Character Counts
Get token, word, no-space character, and all character counts for any text.
Pricing Table Integration
Compare input, cached input, and output pricing across major LLM providers in a single table.
No Registration Required
Use the browser calculator immediately without signing up or logging in.
API Access for Developers
Integrate token counting into your own apps with a paid API supporting token, character, and word counts.
Usage Guides
Access comprehensive guides for OpenAI, Claude, Gemini models, token conversion, and cost calculation.
Pricing
Free Browser Calculator
- Local token counting
- Token visualization
- Word and character counts
- Cost estimation across providers
Monthly Plan
- Token API access
- Metered token, character, and word counts
- Key-based authentication
Yearly Plan
- Token API access
- Metered token, character, and word counts
- Key-based authentication
- Lower annual price
Pros and Cons
Pros
- Privacy-FirstAll token counting happens locally in the browser; no text is uploaded to servers.
- Multi-Provider SupportSupports cost estimation for OpenAI, Anthropic Claude, and Google Gemini models.
- Comprehensive MetricsProvides token, word, character counts and visual tokenization for any text.
- Free Core ToolThe browser calculator is completely free with no registration required.
- Developer-Friendly APIAffordable API plans for integrating token counting into custom applications.
Cons
- Limited Advanced FeaturesThe free version lacks advanced features like batch processing or custom tokenization rules.
- API Requires SubscriptionProgrammatic access to token counting requires a paid monthly or yearly subscription.
- No Offline ModeThe browser calculator requires an internet connection to load the page, though processing is local.
- No Multilingual SupportOptimized primarily for English text; tokenization for other languages may be less accurate.
- Dependency on Third-Party PricingCost estimates rely on provider pricing that may change; updates may lag.
Use Cases & Recommended Professions
Software Engineer→ View Toolkit
Estimate token usage and API costs when integrating LLMs into applications, and check context window limits.
Data Scientist→ View Toolkit
Measure token consumption for large datasets and compare model pricing for cost-effective NLP workflows.
Content Writer→ View Toolkit
Plan prompt lengths and manage token budgets to optimize API usage and reduce costs.
Product Manager→ View Toolkit
Evaluate LLM costs and context limits for product features, and communicate usage to stakeholders.
AI Researcher→ View Toolkit
Analyze tokenization behavior and compare model efficiency for research experiments.
DevOps Engineer→ View Toolkit
Monitor and optimize token consumption in production pipelines to control cloud spending.
Frequently Asked Questions
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ℹ️ Curation Disclosure: The overview and features of Token Calculator were synthesized using AI and fact-checked by our curation team to ensure accuracy.
