How is each character encoded?

Each character is converted to its ASCII code (0–255) and shown as two hex digits (00–FF).

Spaces are encoded as 20. Output can be space-separated for readability.

Online ASCII to Hex Converter

Convert characters or text to hexadecimal codes. Each character becomes its ASCII hex value.

Text or character

How is each character encoded?: Each character is converted to its ASCII code (0–255) and shown as two hex digits (00–FF).
What about spaces?: Spaces are encoded as 20. Output can be space-separated for readability.

Celsius to Fahrenheit Converter

Convert Celsius to Fahrenheit and Fahrenheit to Celsius instantly. Free temperature converter.

Tip Calculator

Calculate tip and split the bill. Enter bill amount, tip percentage, and number of people.

Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals to numbers. Supports 1–3999.

Combinations Calculator

Calculate C(n,r) — the number of ways to choose r items from n without order. Uses n!/(r!(n-r)!).

Combinations with Replacement Calculator

Calculate the number of ways to choose r items from n with repetition allowed. Formula: C(n+r-1, r).

Even Permutations Calculator

Count how many permutations of n objects are even (expressible as an even number of swaps). For n ≥ 2, equals n!/2.