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Version: 3.1.0

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All categories

Explore every category. Each one collects related tools designed for instant results.

Browse categories

10tools

Calculators

Free online calculators for finance, health, percentages, dates, and everyday math — instant results, no signup.

11tools

Text Tools

Free online text tools — count words, change case, generate fancy typography, and transform text instantly.

9tools

Developer Tools

Free developer tools — JSON formatter, Base64, URL encoder, JWT decoder, regex tester, UUID generator and more.

4tools

Date & Time Tools

Free date and time tools — calculate date differences, convert Unix timestamps, run countdowns, convert timezones.

8tools

Unit Converters

Free unit converters — length, weight, temperature, volume, area, speed, data storage, and energy.

3tools

Security Tools

Free security tools — strong password generator, password strength checker, and hash generator (MD5, SHA-1, SHA-256).

1tool

SEO Tools

Free SEO tools — generate clean URL slugs and optimize on-page elements for search engines.

1tool

Color Tools

Free color tools — convert between HEX, RGB, HSL, OKLCH and other color formats instantly.

0tools

Image Tools

Free image tools — resize, compress, convert formats, and optimize images for the web.

3tools

Creator Tools

Free creator tools — reading time estimator, social media character counter, and engagement rate calculator.

11tools

AI Tools

Free AI tools — LLM token counter, prompt cost estimator, context window visualizer, and AI prompt utilities.

Explore tools by workflow

Categories group related tools so you can move faster when you are solving a specific kind of task. Jump straight into calculations, formatting, conversions, debugging, SEO work, or AI prompt planning without digging through unrelated pages.