Base64 Encoder/Decoder

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII string format. It's commonly used to encode data that needs to be stored and transferred over media designed to handle text.

How to Use This Tool

Select either Encode or Decode mode. Enter your text or Base64 string and click the appropriate button. The tool instantly converts between plain text and Base64 encoded format.

Common Use Cases

• Email: Attachments in emails are Base64 encoded
• URLs: Special characters in URLs can be Base64 encoded
• Data URIs: Images in CSS/HTML use Base64
• APIs: Many APIs use Base64 for authentication
• JSON: Binary data in JSON is often Base64 encoded

Base64 Alphabet

Base64 uses 64 characters: A-Z, a-z, 0-9, +, and /. It also uses = for padding.

FAQ

Is Base64 encryption?
No, Base64 is encoding, not encryption. It can be easily decoded. Never use it to hide sensitive data.