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Small, single-purpose tools for your daily development workflow. Runs in the browser, no data is sent to any server.

🔧 RSA key pair generator

Generates an RSA key pair: pick a size (2048/3072/4096) and usage (signing RSASSA-PKCS1-v1_5 or encryption RSA-OAEP); `crypto.subtle.generateKey` creates the pair and exports the public key as SPKI and the private key as PKCS#8 in base64+PEM. One-click copy. Keys are generated in your browser and never sent over the network — keep the private key safe. (Requires a secure context.)