Show HN: AI Model Token Cost and Context Window Estimator

Category: devtools

Tags: token-counting, cost-estimation, ai-models, privacy-first, browser-based

Score: 4.7/10 (Innovation: 4, Technical: 4, Documentation: 3, Utility: 6)

A browser-based tool that estimates token costs and context window usage for AI models by parsing local documents and text entirely client-side. It addresses a real developer need for privacy-conscious cost forecasting, but the README is largely privacy boilerplate with no technical or usage documentation.

Target audience: AI application developers and backend engineers working with LLM APIs

Repository: https://ai-token-estimator.pages.dev/

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