16 tools in this category.
Translate text to Morse code and back, with audio playback.
Convert colors between HEX, RGB, HSL, and CMYK formats.
Convert between Unix timestamps and human-readable dates.
Convert between length, weight, temperature, and volume units.
Calculate aspect ratios and scale dimensions proportionally.
Pick colors from any uploaded image and get HEX, RGB, and HSL values.
Convert between world currencies using live exchange rates.
Convert numbers between binary, octal, decimal, hexadecimal, and any custom base 2-36 live.
See live local time across major world cities, or plan a meeting by sliding one reference moment across all of them.
Convert between Arabic numerals (1-3999) and Roman numerals in both directions, live.
Convert between YAML and JSON in either direction with clear parse-error messages.
Convert between px, rem, em, pt, and % with a configurable base font size.
Convert between bytes, KB, MB, GB, and TB - with a clear binary (1024) vs decimal (1000) toggle.
Convert text to and from ASCII binary, decimal, and hexadecimal representations.
Merge multiple PDFs, split pages out of a PDF, or combine images into a PDF — all in your browser.
Pull the audio track out of a video file as MP3, WAV, or AAC - entirely in your browser.