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


CodeAva is described as 'Modern, privacy-focused alternative to cluttered and ad-heavy developer utility sites. It serves as an Automated Validation Assistant (AVA), providing high-performance tools for daily dev tasks' and is an website in the security & privacy category. There are more than 10 alternatives to CodeAva, not only websites but also apps for a variety of platforms, including Windows, Mac, Self-Hosted and Linux apps. The best CodeAva alternative is DevToys, which is both free and Open Source. Other great sites and apps similar to CodeAva are CyberChef, PWGen (Password Generator), Wassword - Wonderful Password Generator and Secure password generator (twice secure).
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.