Base64 Encode & Decode
FreeEncode text to Base64 or decode Base64 strings back to text instantly.
About Base64
Base64 is a binary-to-text encoding scheme that represents binary data in ASCII string format. It's commonly used for encoding data in URLs, emails, and storing complex data in text format. This tool supports UTF-8 characters for proper encoding of international text.
What is Base64 Encoding?
Base64 is a binary-to-text encoding scheme that converts binary data into a text format using 64 printable ASCII characters. It's commonly used to embed image data in HTML/CSS, transmit data in URLs, and encode email attachments.
Our Base64 encoder/decoder works entirely in your browser, ensuring your data remains private and secure.
How to Use
- Enter or paste your text in the input field
- Select "Encode" to convert text to Base64
- Select "Decode" to convert Base64 back to text
- Copy the result with one click
Common Use Cases
- Embedding images in HTML/CSS
- API authentication tokens
- Email attachments (MIME)
- Data URIs in web development
- Storing binary data in JSON
- URL-safe data transmission