Base64 Encoder/Decoder - Secure Authentication Tool

Encode to Base64 (for REST API Authentication)

Username:

Password:

Options:

Show password

Auto-encode as you type

Hide result (screen sharing protection)

Auto-clear after 5 minutes

Base64 Result:

Example Usage:

Username: admin, Password: password123
Result: YWRtaW46cGFzc3dvcmQxMjM=
REST API Header: Authorization: Basic YWRtaW46cGFzc3dvcmQxMjM=
cURL Example: curl -H "Authorization: Basic YWRtaW46cGFzc3dvcmQxMjM=" https://api.example.com

Decode from Base64

Base64 String:

Decoded Result:

Username:

Password:

Show decoded password

Full String:

Example:

Base64: YWRtaW46cGFzc3dvcmQxMjM=
Decoded: admin:password123
Username: admin
Password: password123