Base64 Encoder/Decoder
Encode text to Base64 and decode Base64 back to text with our free online tool.
Encoding Options
Text Input
Result
What is Base64 Encoding?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for transmitting data over text-based protocols and storing binary data in text files.
- •Converts binary data to ASCII text format
- •Uses 64 characters (A-Z, a-z, 0-9, +, /)
- •Adds padding with = characters if needed
- •Widely used in web development and data transmission
How to Use Base64 Encoding/Decoding
Enter text to encode or Base64 string to decode
Choose encode or decode mode
View results and copy or download as needed
Use Cases for Base64 Encoding
Web Development
Embed images, fonts, and binary data directly in HTML, CSS, and JavaScript files for faster loading.
Data Transmission
Send binary data over text-based protocols like email, JSON, and XML that only support ASCII characters.
File Storage
Store binary files in text-based databases and configuration files that don't support binary data.
API Development
Include binary data in API responses and requests that use JSON or XML formats.
Frequently Asked Questions
What is the difference between encoding and decoding?
Encoding converts text to Base64 format, while decoding converts Base64 back to the original text. Encoding makes data safe for text transmission.
Can I encode/decode files with this tool?
Yes, you can upload files to encode them to Base64, and decode Base64 strings back to files for download.
Is Base64 encoding secure for sensitive data?
Base64 is not encryption - it's encoding. It doesn't provide security, only data format conversion. Don't use it for sensitive data protection.
Privacy & Legal Information
Disclaimer
This tool is provided for educational and utility purposes. Base64 encoding is not encryption and should not be used for securing sensitive information.
Privacy Notice
All encoding/decoding happens in your browser. No data is sent to our servers, ensuring your text and files remain completely private and secure.
Usage Guidelines
- •Perfect for web development and data transmission
- •Ideal for embedding binary data in text formats
- •Great for API development and file storage
- •Suitable for educational purposes and data format conversion