ROT13 Decoder
ROT13 Decoder Summary
ROT13 Decoder is a mobile Android app in Tools by JW-Cai. Released in Dec 2024 (1 year ago). It has about 1.9K+ installs Based on AppGoblin estimates, it reaches roughly 191 monthly active users . Store metadata: updated Dec 7, 2025.
Recent activity: 73 installs this week (184 over 4 weeks) showing exceptional growth View trends →
Store info: Last updated on Google Play on Dec 7, 2025 .
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App Description
ROT cipher tool for encoding and decoding text with multiple cipher modes.
ROT13 Decoder is a modern and user-friendly tool for encoding and decoding text using various ROT cipher methods. Perfect for puzzle solving, learning about basic cryptography, or just having fun with text transformation.
🔄 Multiple Cipher Modes:
• ROT13 - Classic letter substitution (A→N, B→O, etc.)
• ROT5 - Number substitution (0→5, 1→6, etc.)
• ROT18 - Combined ROT13 for letters and ROT5 for numbers
• Custom ROT - Create your own patterns with custom shift values
✨ Key Features:
• Real-time encoding and decoding
• Copy functionality
• Clean, ad-free experience
• Works completely offline
💡 Perfect for:
• Puzzle enthusiasts
• Students learning cryptography
• Online communities using ROT ciphers
• Anyone interested in text transformation
Note: ROT ciphers are simple substitution ciphers intended for fun and educational purposes. They are not secure for encrypting sensitive information.
Privacy First: No ads, no tracking, no data collection. Everything works offline!