Programming Calculators

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Color Converter

HEX, RGB, HSL, CMYK

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Base64

Encode & decode strings

URL Encoder

Percent-encode / decode URLs

Hash Generator

MD5, SHA-1, SHA-256, SHA-512

UUID Generator

Generate v4 UUIDs

Password Generator

Secure random passwords

Bitwise Calculator

AND, OR, XOR, NOT, shifts

px ↔ rem

CSS unit conversion

Lorem Ipsum

Generate placeholder text

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Regex Tester

Live regex match and highlight

ASCII / Unicode

Character ↔ code lookup

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IP Subnet

CIDR, mask, broadcast, hosts

JSON Formatter

Beautify and minify JSON

Binary ↔ Text

Convert text to binary and back

Character Counter

Word, char, line, sentence count

Timestamp Format

Format date/time strings