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Calculators
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5 toolsUseful tools without the clutter
Most tool websites are slow, covered in ads, and require you to sign up before doing anything useful. Tellime is different — open a tool, get your answer, done.
Instant results
No waiting. All calculations run in your browser and return answers immediately.
No clutter
No ads blocking your work, no sign-ups required, no notifications. Just the tool you need.
Works everywhere
Designed mobile-first. Looks and works great on any screen size.
45+
Free tools
6
Categories
Ever
No account needed
Always
Runs in browser
What People Say
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"I use the percentage calculator almost daily for work. It's faster than any app I've tried."
Sarah M.
Marketing Manager
"The hashtag generator saved me so much time on my Instagram content strategy."
James T.
Content Creator
"Clean, fast, no bloat. Exactly what a tools website should be."
Alex K.
Freelance Writer
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