Free Online Converters
Various Free Converter Tools - Image, Unit, Currency, Timezone
Free online converters you can use instantly. Supports file, unit, and data conversions.
๐File Conversion
๐Data/Text
Base64 Encoder/DecoderPopular
Text โ Base64 encoding/decoding
URL Encoder/Decoder
URL percent encoding/decoding
JSON โ CSV ConverterPopular
Convert between JSON and CSV
Markdown โ HTML
Convert between Markdown and HTML
Color ConverterPopular
Convert HEX, RGB, HSL, CMYK color codes
Number Base ConverterPopular
Convert Binary, Octal, Decimal, Hexadecimal
Text Case ConverterPopular
Convert UPPER, lower, camelCase, snake_case
Roman Numeral Converter
Convert Arabic numbers to/from Roman numerals
๐Unit Conversion
Unit Converter
Convert various physical units
Length ConverterPopular
10 units: meters, feet, inches, etc.
Weight Converter
10 units: kg, lb, oz, etc.
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin
Data Size Converter
Convert KB, MB, GB, TB data sizes
Area ConverterPopular
Convert ใก, pyeong, acre, etc.
Speed Converter
Convert km/h, mph, m/s, knots, Mach
Fuel Efficiency Converter
Convert km/L, L/100km, MPG fuel units
Aspect Ratio CalculatorPopular
Calculate 16:9, 4:3 ratios and resolutions
Volume Converter
Convert mL, L, gallons, oz volume units