nazoCode

Contains ads
Content rating
Everyone
1+
Downloads
Content rating
Everyone
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About this app

Easily create and decipher secret messages!

'nazoCode' is a cryptographic messaging tool that allows anyone to easily create and decipher encrypted messages using a variety of encryption methods.

From secret exchanges with friends to posting riddles on social media (X/Twitter, LINE, etc.) and creating game props, the possibilities are endless!

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✨ Main Features of nazoCode
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◆ Supports a variety of encryption algorithms
Equipped with a wide range of encryption methods, from classic ciphers to unique expressions!

[Supported Encryption Methods]
・Password Cipher (Only those who know the key can decipher it)
・Binary Cipher (Converts to a sequence of 0s and 1s)
・Morse Code (Secret messages using dots and dashes)
・Emoji Cipher (Cute and pop-style ciphers)
・Gojuon Caesar Cipher (Character shifting specifically for Japanese)
・Caesar Cipher (Classic alphabet cipher)
・Character Reversal (Simple but profound reversed text)

◆ Priority Customization (Sorting) Function
Place frequently used encryption methods at the top! You can freely customize the display order to your liking by dragging and dropping from the settings screen.

◆ One-Tap SNS Sharing & Copy
Created coded messages can be copied with a single tap or directly shared/posted to social media! Try challenging everyone with riddles using the dedicated hashtag (#nazoCode / #謎コード).

◆ Daily Playable Points & Login Bonuses
Earn points by using the app! There are plenty of features to keep you enjoying the app, such as login bonuses and video viewing rewards.

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💡 Recommended for these people/situations!
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・Want to post something a little different or create riddles on social media
・Want to enjoy "secret exchanges" just for you and your friend or partner
・Want to create ideas and props for TRPGs, escape games, or mystery-solving events
・Interested in cryptography, programming, binary, or Morse code

Why not add a little "mystery" and "excitement" to your everyday messages?
Download 'nazoCode' now and start your secret coded life!
Encrypt your messages with passwords, binaries, or emojis! Enjoy secret exchanges on social media.
Updated on
Aug 31, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

nazoCodeの初回リリースです。

【主な機能・特徴】
・秘密のメッセージを簡単に作成&解読
・合言葉・バイナリ・絵文字など多彩な暗号方式に対応
・よく使う暗号方式を自由に並び替え・優先度変更
・ワンタップでSNSやメッセージアプリへ共有

暗号を使ったメッセージ作成や謎解きをお楽しみください!
Content rating
Everyone
Learn more

App support

About the developer
野田 佳裕
golphable.deve7@gmail.com
Japan