Encode and decode Base64 strings online - Free and secure
0 characters
About Base64 Encoding
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for encoding data in email, URLs, and web applications.
Features
Encode text to Base64 format
Decode Base64 strings back to text
Supports UTF-8 characters
Instant conversion
Swap between input and output
Copy results to clipboard
100% browser-based (secure and private)
Common Use Cases
Encoding email attachments
Embedding images in HTML/CSS (Data URLs)
API authentication tokens
Storing binary data in JSON/XML
URL-safe data transmission
Basic obfuscation of text
Example
Text: Hello, World!
Base64: SGVsbG8sIFdvcmxkIQ==
Note: Base64 encoding is not encryption. It's designed for encoding binary data, not for securing sensitive information. Use proper encryption for security.