What is Base64 used for?

Base64 is used to encode binary data into a text format that can be safely transmitted over text-based protocols. Common uses include embedding images in HTML/CSS, encoding data for APIs, email attachments, and storing binary data in text formats like JSON or XML.

Is Base64 encryption?

No, Base64 is not encryption. It's an encoding scheme that converts binary data to text. Base64 encoded data can be easily decoded by anyone, so it should not be used for security purposes. Use proper encryption methods for sensitive data.

Why does Base64 increase data size?

Base64 encoding increases data size by approximately 33% because it uses 4 ASCII characters to represent 3 bytes of data. This overhead is the trade-off for being able to safely transmit binary data as text.

Can I encode files with this tool?

This tool is designed for text encoding and decoding. For file encoding, you would need to first convert the file to a text representation or use a specialized file encoding tool.

Base64 Encoder/Decoder

Encode and decode Base64 strings instantly for data transmission and API integration.

Text to Encode

Encoded Base64

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for encoding data that needs to be transmitted over media designed to handle text, such as email or JSON. Base64 encoding is essential when working with APIs, embedding images in HTML/CSS, or transmitting binary data over text-based protocols.

How to Use the Base64 Tool

To encode text to Base64, simply enter your text in the input field and the encoded result will appear instantly. To decode Base64, paste your Base64 string and it will be decoded automatically. The tool handles both encoding and decoding in real-time, making it easy to work with Base64 data. You can copy the result with a single click.

Common Use Cases for Base64

Base64 encoding is widely used for embedding images directly in HTML or CSS (data URIs), encoding authentication credentials for HTTP Basic Auth, transmitting binary data in JSON or XML, encoding email attachments in MIME format, and storing binary data in text-based databases or configuration files.

Base64 Encoder/Decoder

What is Base64 Encoding?

How to Use the Base64 Tool

Common Use Cases for Base64

Frequently Asked Questions