Free Online Tools for Everyone
A collection of useful, privacy-friendly tools. No sign-up required. Works in your browser, instantly.
No registrationNo data sent to serverAlways free
Essential tools for developers: JSON, Base64, UUID, hashing, and more.
Convert between units of length, weight, temperature, and more.
Tools for text manipulation, counting, and conversion.
Calculators for interest, percentages, loans, and investments.
Health calculators for BMI, calories, and fitness metrics.
Time zone converters, age calculators, and date utilities.
Calculators for equations, number theory, and scientific computing.
Why ToolsShed?
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Privacy First
All calculations run in your browser. No data is ever sent to our servers.
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Instant Results
No loading spinners. Results appear as you type with zero server roundtrips.
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Works Everywhere
Mobile-friendly, no installation required. Just open and use.