Base64 Encoder & Decoder

Encode and decode Base64 instantly with this free online tool. Convert plain text to Base64 or decode Base64 strings for use in APIs, data transfer, and debugging.

Two-way sync

UTF-8 support

Client-side only

Plain Text

Type or paste plain text here to encode it

Base64 String

Type or paste Base64 here to decode it

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What is Base64? Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format.

It is commonly used to encode data that needs to be stored and transferred over media that are designed to deal with text.