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Base64 Encode & Decode - Online Converter

Instantly convert text and files to Base64 format (Encode) or decode encrypted Base64 data (Decode). Fast and secure developer tool.

Process Form

What is Base64 and Why Use It?

Base64 is an encoding scheme used to represent binary data in an ASCII string format. It is commonly used when there is a need to encode binary data that needs to be stored and transferred over media that are designed to deal with textual data.

Is Base64 Encryption?

No, Base64 is NOT encryption, it is encoding. Data encoded with Base64 can be easily decoded without any key. Therefore, it should never be used to store secrets.

Importance for Developers

Base64 is essential for embedding binary assets like images or fonts directly into HTML/CSS files (Data URIs), and for safely transmitting binary data over protocols that are designed to handle only text, such as JSON APIs or Email bodies.

Frequently Asked Questions

What is Base64?

Base64 is an encoding scheme used to represent binary data in an ASCII string format. It is commonly used to transfer data over media that are designed to deal with textual data.

Is Base64 encryption?

No, Base64 is not encryption. It is an encoding scheme. Anyone can decode Base64 data back to its original format. It should not be used for security purposes.

When should I use Base64?

It is often used in email attachments, embedding small images (Data URI) in HTML, and API data transfers.

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