CyberChef
A web app for encryption, encoding, compression and data analysis
Tools
Contributed by: 
General Tools
Section titled “General Tools”Exif Tools
Section titled “Exif Tools”metadata2go
Online Exif Data Viewer
Hashing Tools
Section titled “Hashing Tools”hashes.com
Decrypt MD5, SHA1, MySQL, NTLM, SHA256, MD5 Email, SHA256 Email, SHA512 Hashes
Hash Identifier
You can use this site to indentify a hash algorithm
cryptii.com
Web App Offering Modular Conversion, Encoding and Encryption Online
You can use this site to indentify a hash algorithm
PDF Tools
Section titled “PDF Tools”PDF House
This site automaticly bypasses all redactions that may have previously been on a PDF
Programming Tools
Section titled “Programming Tools”Java Decompiler
This site is used to decompile Java files and .class files