Online converters

Quick, free conversions for developers — each runs entirely in your browser, with a worked example and the step-by-step method.

Number bases

Decimal to Binary

Convert decimal (base-10) numbers to binary (base-2).

Binary to Decimal

Convert binary (base-2) numbers back to decimal (base-10).

Decimal to Hexadecimal

Convert decimal (base-10) numbers to hexadecimal (base-16).

Hexadecimal to Decimal

Convert hexadecimal (base-16) numbers to decimal (base-10).

Binary to Hexadecimal

Convert binary (base-2) numbers to hexadecimal (base-16).

Hexadecimal to Binary

Convert hexadecimal (base-16) numbers to binary (base-2).

Decimal to Octal

Convert decimal (base-10) numbers to octal (base-8).

Octal to Decimal

Convert octal (base-8) numbers to decimal (base-10).

Binary to Octal

Convert binary (base-2) numbers to octal (base-8).

Octal to Binary

Convert octal (base-8) numbers to binary (base-2).

Octal to Hexadecimal

Convert octal (base-8) numbers to hexadecimal (base-16).

Hexadecimal to Octal

Convert hexadecimal (base-16) numbers to octal (base-8).

Base64

Text to Base64

Encode plain text to a Base64 string.

Base64 to Text

Decode a Base64 string back to plain text.

Colors

HEX to RGB

Convert a HEX color code to RGB channel values.

HEX to HSL

Convert a HEX color code to HSL (hue, saturation, lightness).

RGB to HEX

Convert RGB channel values to a HEX color code.

RGB to HSL

Convert RGB channel values to HSL (hue, saturation, lightness).

HSL to HEX

Convert an HSL color to a HEX code.

HSL to RGB

Convert an HSL color to RGB channel values.

Timestamps

Unix Timestamp to Date

Convert a Unix timestamp (epoch seconds) to a human-readable UTC and local date.

Date to Unix Timestamp

Convert a date and time to a Unix timestamp (epoch seconds or milliseconds).

Text case

camelCase to snake_case

Convert camelCase identifiers to snake_case.

snake_case to camelCase

Convert snake_case identifiers to camelCase.

camelCase to kebab-case

Convert camelCase to kebab-case.

kebab-case to camelCase

Convert kebab-case to camelCase.

snake_case to kebab-case

Convert snake_case to kebab-case.