Free developer toolkit with 35+ tools including JSON editor, JWT decoder, Base64 encoder, UUID generator, and more. This application requires JavaScript to run.
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Generate RSA, ECDSA, Ed25519, X25519, and ML-KEM (post-quantum) key pairs. Encrypt and decrypt data with generated keys. Export PEM and JWK formats. Free, privacy-first, 100% client-side. No data leaves your browser.