Launching today

UtilZilla

Launching today

45 free tools that never leave your browser

2 followers

45 free tools that never leave your browser

2 followers

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Productivity

•

Engineering & Development

UtilZilla is a growing library of 45 free tools — calculators, converters, dev tools, and AI/LLM tools (token counter, cost calculator) — that run 100% client-side. No signup, no uploads, no data collected.

Free

Launch tags:Productivity•Developer Tools

Launch Team

Viktor.comAn AI coworker that actually does the work

Promoted

Maker

📌

Hey PH 👋 I kept needing a quick JSON formatter, unit converter, or hash generator and landing on sites buried in ads and forced signups, so I built UtilZilla: a growing set of free tools that run entirely in your browser. Nothing you type or upload ever touches a server. 45 tools live today across calculators, converters, text tools, dev tools, and a new AI Tools category, a token counter using the real GPT tokenizer, an LLM API cost calculator, a JSON Schema validator for function-calling output, and an llms.txt generator. More going up every week based on what people ask for. Would love feedback on what's missing, what's a tool you searched for recently and couldn't find a decent free version of?

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1d ago