Converters & Calculators
Free, private, runs in your browser
Unix timestamp, date-time, number base, color, case, temperature, NATO alphabet, binary, and unicode converters. Plus math, ETA, and percentage calculators.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates. Live clock with seconds-since counter and current time in both formats.
Everyday Converters
Roman numerals, temperature, percentages, math expressions, number bases and colors in one tabbed converter page.
Date-Time Converter
Convert dates and times between different formats and timezones.
Case Converter
Convert text between different cases (camelCase, snake_case, etc.).
Text to Binary
Convert text to binary and vice versa.
ETA Calculator
Calculate estimated time of arrival.
Quantum Circuit Simulator
Design and simulate quantum circuits with real quantum gates. Perfect for learning quantum computing concepts.
Lorem Ipsum Generator
Generate placeholder text for designs.