Base64 Encode / Decode

Base64 Encoding and Decoding Tool

Encode text to Base64 or decode Base64 to text.

Supports file/image encoding too.

Text File / Image

Input Text

Encode to Base64 Decode from Base64 Clear

Output

Copy

Select File or Image

Select any file to get its Base64 representation. Images will show a preview.

Base64 Output

Copy

Data URI (for HTML/CSS)

Copy

About Base64

Base64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It's commonly used for:

• Embedding images in HTML/CSS using Data URIs
• Encoding binary data in JSON or XML
• Email attachments (MIME)
• Storing complex data in cookies or URLs

JavaScript btoa() method