SecurityStudio

Password Generator

Cryptographically secure passwords with sliders, character toggles, and a live strength visualizer.

SHA-256 Generator

Real-time SHA-256 hashing for text plus drag-and-drop file checksums via WebCrypto.

JWT Decoder

Decode JWT header and payload with pretty-printed JSON. No verification keys leave your browser.

AES Encrypt/Decrypt

Encrypt and decrypt with AES-GCM/AES-CBC using passphrase-derived keys.

Base64 Encoder/Decoder

Side-by-side real-time Base64 encode/decode with UTF-8 and URL-safe support.

UUID Generator

Generate v4 (and more) UUIDs in bulk, fully client-side.