Encode and decode Base64
How to use
Base64 is an encoding method that converts binary data to ASCII text. Use the 'Encode' tab to convert text to Base64, or 'Decode' to convert Base64 back to text.
Encode and decode Base64 online for free. Convert text to Base64 and vice versa quickly and securely.
Base64 is an encoding scheme that converts binary data to ASCII format. It's commonly used to transmit data through media that only support text, such as email or URLs. Base64 uses 64 different characters (A-Z, a-z, 0-9, +, /) to represent data.
Base64 is useful for embedding images in CSS or HTML, transmitting binary data in JSON, sending email attachments and storing complex data in cookies or localStorage. It's a safe text format for transmitting any type of data.
No. Base64 is just encoding, not encryption. Anyone can decode Base64 easily. Use Base64 for compatibility, not for security.
Base64 increases data size by approximately 33% because it represents 3 bytes of data using 4 ASCII characters.
Yes! Base64 is often used to embed images directly in HTML or CSS using data URLs.