What is Ed25519?
Ed25519 is a modern elliptic-curve digital signature algorithm designed for strong security, compact keys and fast operations.
Security
Ed25519 Key Generator
Generate Ed25519 public and private signing keys directly in your browser.
Tool
Ed25519 Key Generator
Generate Ed25519 public and private signing keys directly in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this Ed25519 key generator to create modern signing keys for development, authentication and interoperability tests. Browser support is detected automatically, and generated private keys remain local to your browser.
Examples
- Generate an Ed25519 key pair
- Export Ed25519 keys as JWK
- Export an Ed25519 public key
Frequently Asked Questions
Can Ed25519 encrypt data?
No. Ed25519 is a signature algorithm and is not used directly for encryption.
Is Ed25519 supported by every browser?
No. Support varies between browser versions, so the tool must detect compatibility and clearly report when no browser-capable implementation is available.
Related Tools
Public and Private Key Generator
Create exportable asymmetric key pairs directly in your browser.
TOOLRSA Key Generator
Create RSA key pairs locally in PEM, JWK or DER-compatible formats.
TOOLECDSA Key Generator
Create elliptic-curve signing key pairs directly in your browser.
TOOLCSR Generator
Create a CSR from subject details, domain names and a newly generated key pair.
TOOLCSR Decoder
Parse PKCS #10 certificate signing request data directly in your browser.
TOOLCertificate Decoder
Parse X.509 certificate contents locally without contacting the certificate host.
TOOL