Free Online Tools

Fast browser-based calculators, generators and checkers. Choose a category or open a tool directly from the A–Z list.

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7 categories

Quick calculators for percentages, VAT, tips, salaries, loans and interest.

Create safer passwords and passphrases, check strength and generate usernames.

Count, convert, clean up and analyse text for writing, study and publishing.

Convert units, dates, number formats, Roman numerals, binary and hex values.

Simple body and health reference calculators for everyday checks.

Timers, match calculators and simple sports game tools.

Random generators, QR codes, timers and quick decision tools.

34 tools