Base64 Encoder & Decoder
Securely transform text to and from Base64 format for web and API usage.
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In-Depth Guide
Everything you need to know
Easily convert your data between plain text and ASCII string format with our Secure Online Base64 Converter.
Privacy Rating
100% Local
Compliance
RFC 4648
Architecture
Client-Side JS
What is Base64 Encoding?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format.
Common Use Cases
- Data URIs for Performance
- Basic Authentication
- JWT Payloads