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I build dev tools that solve real problems: token calculators, workflow costing, font detection, and more.
Most are open source. Sponsorship helps me keep projects maintained, add features faster, and build the next thing.
Currently shipping: TokenSense,, FontSniff, and a few side experiments.
"$200/month to maintain & scale my open-source projects" Helps cover hosting, domains, and tools so I can focus on building
Featured work
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artosien/Tokensense-Ai
TokenSense is a lightning-fast token cost calculator for LLMs. Paste your prompt, pick your model, see instant cost estimates across Claude, OpenAI, Anthropic, and other providers. Free, open-sourc…
TypeScript