TokenCalculator.dev
Privacy-first, browser-based token calculator that measures input tokens across OpenAI, Claude, Gemini, and DeepSeek from text, files, and images, with live API cost estimation.
What Is TokenCalculator.dev?
A privacy-first, browser-based token calculator that measures input tokens and estimates API costs across OpenAI, Anthropic Claude, Google Gemini, and DeepSeek models from text, PDFs, DOCX files, code, data, and images.
Target Audience of TokenCalculator.dev
How To Use TokenCalculator.dev?
Paste a prompt or drop PDF, DOCX, code, data, or image files (up to 12 MB each) into the browser. The tool extracts content locally, runs token measurement across each provider, and displays live input token counts, context-window fit, and estimated input cost. Adjust the workload planner to model requests per day and projected monthly spend.
Core Features of TokenCalculator.dev
- Browser-based, privacy-first token counting — no prompts or files uploaded to a server
- Exact local o200k_base BPE tokenization for OpenAI text models
- Provider-Calibrated UTF-8 Token Projections for Claude, Gemini, and DeepSeek
- Image token estimation using each provider's published tile, patch, and detail rules
- Local extraction of text-based PDFs and DOCX documents
- Multi-language support (English, Spanish, Japanese, German, Brazilian Portuguese)
- Live pricing refreshed from Models.dev with offline bundled fallback
- Workload & Scaling Planner for requests per day and monthly cost projection
- Context-window fit warnings before sending requests
- Side-by-side comparison of current OpenAI, Claude, Gemini, and DeepSeek models
Use Cases of TokenCalculator.dev
- Pricing a knowledge-base PDF ingestion run across providers
- Budgeting a vision-model request that combines images and text
- Measuring a repository review payload containing code, JSON, and Markdown
- Comparing batch-processing economics between DeepSeek, GPT, Claude, and Gemini
- Estimating input cost before committing to a high-volume API workload
- Validating whether a document fits inside a model's context window
- Comparing frontier, balanced, and reasoning model pricing on a single prompt
FAQ from TokenCalculator.dev
Pricing of TokenCalculator.dev
TokenCalculator.dev is Free to use
Browser-based calculator
Free
Full access to text, file, and image token counting plus workload planning in the browser at no cost.
Contact & Company Information of TokenCalculator.dev
TokenCalculator.dev Company Name: TokenCalculator.dev
TokenCalculator.dev Support Email:hello@tokencalculator.dev
TokenCalculator.devCustomer Service Contact
Information
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