Web Crypto API • 100% In-Browser
AES-256-GCM & JWT Forensic Inspector
Cryptography, Hash & JWT Security Studio
Compute cryptographic hashes (SHA-256, SHA-512, MD5, HMAC), encrypt/decrypt with AES-256-GCM, inspect JWT tokens, and convert Base64/Hex securely in your browser.
SHA-256 (256-bit)
—SHA-512 (512-bit)
—SHA-384 (384-bit)
—SHA-1 (160-bit Legacy)
—MD5 (128-bit Checksum)
—HMAC Signature Result (Hex)
—Encrypt (AES-GCM 256)
Decrypt (AES-GCM 256)
HEADER: Algorithm & Token Type
PAYLOAD: Data & Claims
Base64 (Standard)
—Hexadecimal (UTF-8 Bytes)
—URL Encoded (Percent Encoding)
—Binary (8-bit bytes)
—Entropy Score
0 Bits
Strength Rating
Very Strong
Brute-Force Offline Time
Centuries
Character Pool Size
95 Characters