Converters

Converters Calculators

Convert, format, and encode data instantly with free browser-based tools. Perfect for developers, sysadmins, and anyone who needs quick, reliable conversions.

Cron Expression Generator

Build cron expressions visually. Pick a schedule frequency, set the time, and instantly get a copy-ready Unix cron string with a human-readable description.

Base64 & Base Encoder / Decoder

Encode and decode Base64, Hex, Binary, Octal, and Base32 instantly. Convert text in your browser with UTF-8 support, copy output, and compare all formats.

JSON Formatter & Viewer

Format, validate, and visualize JSON instantly. Prettify, minify, sort keys, convert to YAML, and explore with a tree view.

Number System & Angle Converter

Convert between number bases (binary, hex, Roman, base 36) and angle units (degrees, radians, gradians). Instant results for integers and angles.

Julian Date Converter

Convert date and time to Julian Date, Modified Julian Date, Unix timestamp, ISO 8601, and Julian calendar. Instant multi-system calendar conversion.

World Timezone Converter

Convert times between countries and regions instantly. Pick a reference zone, set the hour, and compare with any other timezone using search or the interactive map.