Hash Generator (Multi-Algorithm)

JWT Decoder

Decode JWT header and payload, view expiry and validity.

Bcrypt Generator & Verifier

Generate hashes and verify passwords (server-side).

UUID Generator & Validator

Generate UUID v4 and validate. Bulk 1–1000, export TXT/CSV.

Random String Generator

Generate random strings. Length, uppercase, lowercase, numbers, symbols.

Password Generator

Generate strong passwords. Length, symbols, strength meter.

Unix Permission Calculator

Visual chmod checkboxes to octal and symbolic permissions.

JWT Encoder

Create HS256 JWTs with header, payload, and secret (Web Crypto).

HMAC Generator

Generate HMAC-SHA256 or HMAC-SHA1 with a secret key.