Base64 Encode & Decode

Quickly encode or decode Base64 strings in your browser with this free tool.

About This Tool

This Base64 Encoder & Decoder tool allows you to convert text to Base64 or decode Base64-encoded strings back to plain text. It's ideal for developers working with data serialization, file transfers, or embedded systems. The entire process happens client-side for speed and privacy — your input is never sent to a server.

Frequently Asked Questions

What is Base64 encoding?

Base64 encoding is a method to represent binary data using only ASCII characters, often used for safely transmitting data over text-based protocols.

Is Base64 a secure way to store data?

No, Base64 is not a security mechanism. It is easily reversible and should not be used for storing sensitive information.

Is my text stored or shared?

No. All encoding and decoding is done locally in your browser. Your content is never uploaded or tracked.