Tools that respect your time and privacy
PureUnits is a free, open-access utility platform. Whether you're calculating compound interest, converting gaming sensitivity, or looking up a unit conversion — every tool runs instantly in your browser, with no sign-up and no data ever sent to our servers.
50+
Free Tools
0
Bytes Stored
100%
Client-Side
∞
Free Forever
What we stand for
Built for Speed
Every tool loads in under a second. No authentication flows, no loading skeletons waiting on server responses — just instant, client-side computation.
Privacy by Design
Your inputs never leave your device. We deliberately built our architecture so that no calculation data is ever transmitted to our servers. What you type, stays with you.
Radically User-Focused
No sign-up walls, no paywalls, no dark patterns. PureUnits exists to give everyone — students, professionals, gamers, developers — access to accurate tools without friction.
What's inside
50+ tools across four core categories, with more added regularly.
Our principles
No account required
We will never gate our tools behind an account creation flow. Every tool on PureUnits is accessible to everyone, anonymously.
Transparent monetisation
We display ads through Google AdSense to sustain the platform. We are upfront about this in our Cookie Policy and never use deceptive ad placements.
Open-source ethos
Our tool formulas and conversion logic are based on publicly available standards. We document edge cases and approximations directly on each tool page.
Continuously improving
We ship new tools, fix edge cases, and respond to user feedback regularly. The sitemap is always kept current so search engines can surface the latest additions.
Start using PureUnits
No account, no download, no cost. Pick a tool and get an answer in seconds.
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