Security

Base64 Encoder

Encode text or files to Base64 and decode Base64 back to text.

Base64 Decoder

Decode Base64 encoded strings back to plain text or files.

URL Encoder

Encode URLs and query strings using percent-encoding.

URL Decoder

Decode percent-encoded URLs back to readable text.

MD5 Hash Generator

Generate MD5 hashes from any text input.

SHA-256 Hash

Generate SHA-256 cryptographic hashes from text.

SHA-512 Hash

Generate SHA-512 hashes from any text input.

JWT Decoder

Decode and inspect JWT tokens — header, payload, and signature.

Password Strength Checker

Check the strength of any password with entropy analysis.