Base64 Text Encoder/Decoder

Convert text to and from Base64 encoding, supports UTF-8 Chinese and special characters

Enter Text Content

Characters 0Bytes 0Lines 0

Base64 Encoding Result

Characters 0Bytes 0Lines 0

About Base64

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, storing complex data in JSON, and embedding binary data in URLs.

Use Cases

Email attachments and MIME encoding
JSON data storage and transmission
URL parameters and API requests
Data URI schemes for web resources
Binary data encoding for text-based protocols
Configuration file encoding

Encoding Features

•UTF-8 Support Fully supports Chinese, Emoji, and special characters

•Standard Format Contains only A-Z, a-z, 0-9, +, /, = characters

•Length Increase Base64 encoding length is about 133% of original text

•Real-time Validation Automatic format checking and error detection

Usage Tips

•Switch between encode and decode modes using the toggle buttons

•Enter text or Base64 content in the input area

•Content is automatically processed based on current mode

•Supports Chinese, Emoji and other UTF-8 characters

•One-click copy results to clipboard

•Use verify button to check encoding/decoding consistency