JS Tools

Format XML with consistent indentation and line breaks for readable markup.

Convert between binary, octal, decimal and hex instantly with accurate results.

Convert decimal numbers to binary with clean output and large‑value support.

Convert decimal numbers to octal quickly with precise, readable output.

Convert binary values to decimal with validation and clear formatting.

Convert hex strings to binary bits with spacing options for readability.

Convert octal values to decimal with validation and clean formatting.

Convert octal to binary using exact 3‑bit expansion per digit.

Encode text to binary byte strings with proper UTF‑8 handling.

Find the ASCII code for any character; shows decimal and hex values.

Reverse endianness by swapping byte order in any hex string.

Convert between length, weight, volume, area, time, temperature, speed, bytes, frequency, pressure, energy, power and more units.

Convert between meters, kilometers, miles, yards, feet, inches and more length units.

Convert between common mass units like kilograms, grams, pounds and ounces.

Convert between liters, milliliters, cubic meters, gallons, quarts and cups.

Convert between square meters, square kilometers, hectares, acres and more.

Format YAML with consistent indentation; tidy lists, maps, and block scalars.

Format LESS with consistent indentation and spacing; keep nesting readable.