Base64 Encode API Keys and Auth Credentials

Your files never leave your browser. All processing happens client-side via WebAssembly.

HTTP Basic Authentication requires Base64-encoded credentials in the format username:password. PDFJolt encodes your credentials instantly without sending them to any server.

Paste your API key or username:password pair and get the Base64 string for your Authorization header. Your credentials are encoded entirely in your browser — zero server exposure.

Encoding
Base64 Output
Output will appear here...