Hex Encode/Decode

Encode/Decode a string using Hex algorithm

Tags: encoder hex encode/decode

🚀 177,102 total conversions (597 this month)

Practice Python with coding challenges

Solve hands-on problems right in this editor: run the sample tests, submit, and get an AI code review.

All Python challenges
Easy

Average of Three

Average three whole numbers.

BeginnerLearning-pathVariables
Easy

Rectangle Perimeter

Compute the perimeter of a rectangle from its sides.

BeginnerLearning-pathVariables
Hard

Course Schedule Order

Order courses so every prerequisite comes first.

AdvancedGraphsHackathonTopological-sort
No solutions yet
Medium

Island Perimeter

Measure the coastline of land cells in a grid.

AdvancedGridsHackathon
No solutions yet
Medium

K-th Smallest Element

Find the k-th smallest value without fully sorting.

AdvancedCompetitive-programmingSorting
No solutions yet
Hard

Median of Two Sorted Arrays

Find the median of two sorted lists combined.

AdvancedBinary-searchCompetitive-programming
No solutions yet
Medium

Game of Life Step

Advance Conway's Game of Life by one generation.

AdvancedGridsHackathonSimulation
No solutions yet
Hard

Shortest Delivery Tour

Visit every city once and return home as cheaply as possible.

AdvancedBitmasksCompetitive-programmingDynamic-programming
No solutions yet
Hard

Strongly Connected Components

Count groups of nodes that can all reach each other.

AdvancedCompetitive-programmingGraphs
No solutions yet
Hard

Longest Path in a DAG

Find the heaviest path in a task dependency graph.

AdvancedGraphsHackathonTopological-sort
No solutions yet
Hard

Matrix Chain Multiplication

Find the cheapest order to multiply a chain of matrices.

AdvancedCompetitive-programmingDynamic-programming
No solutions yet
Hard

Minimum Window Substring

Find the shortest piece of text containing all required characters.

AdvancedCompetitive-programmingSliding-windowStrings
No solutions yet

Introduction

This online Hexadecimal encoder tool makes it easy to convert strings into hexadecimal format and back again. Whether you're working with text or numbers, this tool simplifies the process and saves you time.

How to Use This Tool

  1. Paste your string directly into the editor or type it in.
  2. Click the Encode or Decode button to convert your string to or from hexadecimal format.
  3. After encoding or decoding, you can:
    • Download the result.
    • Save or share it with others using a short link.
    • Sign in with Google or GitHub to save your results to your account for later use.

What is Hexadecimal?

Hexadecimal (or hex) is a base-16 numbering system that simplifies the representation of binary data. It uses 16 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. Each hex digit represents a 4-bit binary sequence, making it much easier to write and read binary numbers.

For example:

  • Binary to Hex: 11010100 → D4
  • Hex to Binary: FFFF3 → 11111111111111110011

Why Use Hexadecimal?

Hexadecimal is commonly used in computing and digital systems because it is more compact and readable than binary. It’s often used for memory addresses, color codes, and representing data in ASCII or Unicode character sets.

For more details, check out this helpful guide.

Examples

Before encoded

      
Hello, World!
      
    

After encoded

      
48656c6c6f2c20576f726c6421