Free online tools to help you solve decoding puzzles, learn codebreaking techniques, identify symbol/text ciphers, and test your skills on our puzzles—compete for the leaderboard!.
Cost / License
- Free
- Open Source
Platforms
- Online


Sites and apps similar to CodeAva include DevToys, which is free and open source. Other options are CyberChef, PWGen (Password Generator), Wassword - Wonderful Password Generator and Password Generator Extension. You can choose from more than 10 QR Code Generators like CodeAva for Windows, Mac, self-hosting, Linux and Android.
Free online tools to help you solve decoding puzzles, learn codebreaking techniques, identify symbol/text ciphers, and test your skills on our puzzles—compete for the leaderboard!.


Easy epoch/Unix timestamp converter for computer programmers. Includes epoch explanation and conversion syntax in various programming languages.