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CodeChef Code Convert Pro

The Ultimate CTF Encoding Tool

One-click conversion for any format! Designed for CTF enthusiasts, security engineers, and anyone dealing with encoding challenges. Automatically identifies and converts various encoding formats to conquer any encoding challenge.

Download on App Store
$1.99
CodeChef Terminal
$ echo "Hello CTF!" | base64
SGVsbG8gQ1RGIQo=
$ echo "SGVsbG8gQ1RGIQo=" | base64 -d
Hello CTF!
$ _

Try It Live

Experience the power of instant encoding conversion

Powerful Features

Auto-Detection

Automatically identifies encoding formats without manual selection. Smart recognition for Base64, Hex, URL encoding, and more.

One-Click Conversion

Convert between formats instantly with a single tap. No complex menus or settings - just pure efficiency for CTF competitions.

CTF Optimized

Specifically designed for Capture The Flag competitions with formats commonly used in cybersecurity challenges.

Custom Formats

Support for custom input and output formats to meet your specific encoding conversion needs in different scenarios.

Multi-Platform

Available on iPhone, iPad, Mac, and Apple Vision Pro. Seamless experience across all your devices.

Lightning Fast

Optimized for speed and efficiency. Perfect for time-critical CTF competitions where every second counts.

Supported Encoding Types

Text Encoding

Base64 Base32 Base16 ASCII UTF-8 UTF-16

Web Encoding

URL Encoding HTML Entities JSON Escape XML Escape

Cryptographic

MD5 SHA-1 SHA-256 ROT13 Caesar Cipher

Binary & Hex

Hexadecimal Binary Octal Decimal

Perfect For

CTF Competitions

Race against time in Capture The Flag events with instant encoding detection and conversion.

Security Engineers

Analyze encoded data, reverse engineer protocols, and decode suspicious content efficiently.

Learning & Education

Understand encoding principles and practice with various formats in cybersecurity education.

Professional Work

Handle various data formats in development, debugging, and data processing tasks.

System Requirements

  • iOS 16.5 or newer
  • iPadOS 16.5 or newer
  • macOS 13.4 or newer (Apple Silicon)
  • visionOS 1.0 or newer
  • 2 MB storage

Languages

  • English
  • Japanese (日本語)
  • Korean (한국어)
  • Simplified Chinese (简体中文)

Privacy & Security

  • No data collection
  • Offline processing
  • Local computation only
  • Privacy-first design
  • Secure by default

Ready to Conquer Any Encoding Challenge?

Join security professionals and CTF enthusiasts who trust CodeChef for instant encoding solutions

Download CodeChef Now
✓ Instant Auto-Detection ✓ One-Click Conversion ✓ CTF Optimized ✓ Privacy First