Base64 Encode / Decode

Input

Output

About this tool

Base64 Encoder and Decoder is a simple online tool that allows you to encode text into Base64 format or decode Base64 strings back into readable text.

Base64 encoding is commonly used in web development when transmitting binary data over text-based protocols such as HTTP, JSON, or email.

Developers often encounter Base64 in:

API authentication tokens
image data URLs
encoded credentials
JWT payloads

This tool helps you quickly encode or decode Base64 without installing any software. Simply paste your input and get instant results directly in your browser.

What is Base64 Encoding?

Base64 is an encoding scheme that converts binary data into ASCII text format.

For example:

Text:

Hello

Base64:

SGVsbG8=

This makes binary data safe to transmit through text-based systems.

How to use Base64 Encoder / Decoder?

Enter text into the input box
Click Encode to convert text to Base64
Click Decode to convert Base64 back to text
Copy the output

Features

Encode text to Base64
Decode Base64 to text
Instant conversion
Works offline in browser
Copy output easily

FAQ

What is Base64 encoding?

Base64 is a way to represent text or binary data using ASCII characters. It is commonly used in APIs, email content and data URLs.

Can I decode Base64 back to plain text?

Yes. Paste a valid Base64 string into the input area and use the decode action to convert it back to readable text.

Is this Base64 tool private?

Yes. The encoding and decoding logic runs in your browser and does not require sending your data to a server.