Free Converters Online
78 free tools — no signup required
Convert between units of measurement, color formats, number bases, timestamps, timezones, currencies, and data formats. Covers length, weight, volume, temperature, speed, area, energy, and cooking measurements. Accurate conversions with instant results.
Color Converter
Convert between HEX, RGB, and HSL color formats with a live preview.
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal bases.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Morse Code Translator
Convert text to Morse code and decode Morse code back to text.
Time Zone Converter
Convert times between different time zones worldwide.
Hex to Text
Convert hexadecimal strings to readable text and back.
Markdown to HTML
Convert Markdown text to HTML code.
CSV to Table
Convert CSV data to a formatted HTML table.
NATO Phonetic Alphabet
Convert text to NATO phonetic alphabet spelling.
Currency Converter
Convert between major world currencies with approximate rates.
Image to Base64
Convert images to Base64 encoded strings for embedding in code.
JSON to TypeScript
Generate TypeScript interfaces from JSON data.
PX to REM Converter
Convert between pixels and rem units for responsive design.
Bytes Converter
Convert between bytes, KB, MB, GB, TB, and PB.
Angle Converter
Convert between degrees, radians, gradians, and turns.
Decibels Converter
Convert between decibels and linear ratios for power and amplitude.
Bits to Bytes Converter
Convert bits to bytes and bytes to bits.
Pixels to Points Converter
Convert pixels to points and points to pixels based on DPI.
EM to PX Converter
Convert em units to pixels and pixels to em based on base font size.
RGB to CMYK Converter
Convert RGB color values to CMYK for print design.