Sites to solve Ctfs

steganography:

Aperi'Solve

Aperi'Solve is an online platform which performs layer analysis on image.

Crypto

Decrypt MD5, SHA1, MySQL, NTLM, SHA256, SHA512, Wordpress, Bcrypt hashes for free online

CyberChef

https://www.dcode.fr/cipher-identifierwww.dcode.fr