Free tools,
ready when you are.
26 calculators, converters, and generators, each on its own site and each free to use. Search the whole collection below or browse by category.
Showing all 26 tools
Calculators
Finance, math, and cooking calculators. Enter your numbers and get an answer with no account required.
Finance & Business
9 toolsMath & Conversions
3 toolsFood & Cooking
3 toolsText & Design
Quick utilities for developers and designers: keys, tokens, colors, and a plain white screen when you need one.
Design & Screen Utilities
7 toolsFun & Utilities
Lighter tools for the everyday moments: a lunar calendar and fantasy name generators.
Calendars & Dates
1 toolOther Projects
Sites that sit outside the calculator and utility categories, starting with a local service resource.
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One developer, many small sites.
Every tool in this collection lives on its own domain so you can bookmark exactly what you need. They run entirely in your browser, never ask you to sign up, and are supported by advertising so they can stay free. Ready Utilities builds and maintains all of them in-house; outside tool submissions are not accepted.