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Free Online Tools, Generators, Calculators and Randomizers

Use simple, fast, and helpful online tools for everyday tasks, work, study, creativity, and entertainment.

Random number generator Password generator Age calculator Word counter
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Popular Online Tools

Hand picked tools that help with quick decisions, everyday math, writing and security. Each one runs right in your browser.

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Search by name, filter by category, sort alphabetically, or show only popular and recently added tools.

How RandomsDex Works

Choose a tool

Search the directory or pick a category to find the generator, calculator or converter you need.

Enter your information

Fill in the fields. Everything runs in your browser, so you do not need an account.

Get your result instantly

Read the result with a plain English explanation, then copy or download it when the tool supports it.

From the blog

Guides and Tool Tutorials

Practical explanations of how the numbers, formulas and generators behind our tools actually work.

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Why People Use RandomsDex

Clear results, honest limitations, and tools that respect your time.

Free to use

Every tool on RandomsDex is free. There is no paywall and no trial period.

Fast and simple

Lightweight pages with no heavy frameworks, so results appear right away.

Mobile friendly

Layouts and inputs are built for phones, tablets and desktops alike.

No unnecessary registration

Use the tools without creating an account. Sign up is never required to get a result.

Helpful explanations

Each tool explains what the result means and when it is useful.

Regularly updated

Tools are reviewed and improved, and every page shows its last updated date.