Base64 Encoder / Decoder

    Type text on the left to encode to Base64

    Plain Text1 line
    1
    Base641 line
    1

    What is Base64 Encoding?

    Base64 converts binary data into text using ASCII characters. It's used in API headers, JWT tokens, and data transmission.

    How to Use

    Input:
    Hello DevTools
    
    Output:
    SGVsbG8gRGV2VG9vbHM=

    Common Uses

    • API request/response encoding
    • JWT token decoding
    • Send images/files in JSON
    • Basic Auth headers
    • Binary → text conversion for HTTP