Base64 Encoder & Decoder - Free Online Tool
Free online Base64 encode and decode tool. Securely convert string to Base64 format and vice versa. 100% client-side processing for privacy.
Base64 Encoder & Decoder Online
Securely encode and decode your data to and from Base64 format. 100% free and lightning fast!
What is Base64 Encoding?
Base64 is an encoding algorithm that allows you to transform any characters into an alphabet consisting of Latin letters, digits, plus, and slash. It's commonly used when there's a need to encode binary data that needs to be stored and transferred over media that are designed to deal with textual data.
Features of this Tool
- Real-time processing: Encode or decode instantly as you type.
- UTF-8 Support: Safely encodes high-byte characters and emojis.
- 100% Client-Side: Your data never leaves your browser, ensuring complete privacy.
Common Use Cases
- Encoding credentials for basic HTTP authentication.
- Embedding small images natively in HTML or CSS using Data URIs.
- Bypassing text-based software limitations by turning binary data into safe ASCII.