CyberChef

Base64 Decode and Encode - Online

Analyse your HTTP response headers

GitHub - 4lph4v/Payloads: A list of useful payloads and bypass for Web Application Security and Pentest/CTF

OffSec Tools, a collection of links created by Vaibhav Kadam. With links like CyberChef, Base64 Decode and Encode - Online, Analyse your HTTP response headers, GitHub - 4lph4v/Payloads: A list of useful payloads and bypass for Web Application Security and Pentest/CTF