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Browse the tool catalog | Page 201

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 201.

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Math, Date & Finance586

Calculators, numerics, date logic, statistics, and finance tools

Images, Audio & Video564

Image, audio, and video processing, conversion, and optimization tools

Design & Color284

Color, layout, graphics, visual styling, and design helper tools

Text & Writing200

Writing, cleanup, formatting, extraction, and text analysis tools

Conversion & Encoding167

Format, file, archive, unit, and encoding conversion tools

Developer & Web163

Developer utilities, networking, web debugging, and automation helpers

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

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Format Conversion

Atbash Cipher

Encode and decode text using Atbash substitution cipher (reverses the alphabet)

Health

Blood Type Calculator

Calculate possible blood types for parents and children based on genetics

Health

BMI Calculator

Calculate Body Mass Index (BMI) and get health category recommendations

Health

Body Fat Calculator (US Navy)

Calculate body fat percentage using the US Navy method

Finance

Bitcoin Address Generator

Generate Bitcoin addresses from private keys for different address types

Finance

Bitcoin Address Validator

Validate Bitcoin addresses and detect address type (P2PKH, P2SH, Bech32)

Health

Calorie Burned Calculator

Calculate calories burned during various activities

Health

Daily Calorie Needs Calculator

Calculate daily calorie needs based on activity level and goals

Generator

Cron Expression Generator

Generate cron expressions with presets and custom options

Development

Cron Expression Tester

Test and validate cron expressions, see future execution times

Converter

Crontab Converter

Convert crontab format between standard cron and enhanced formats

Development

CSS Minifier

Compress CSS code