Free Online Encoding & Decoding Tools
Encode and decode Base64, URL strings, binary, and hex directly in your browser. Fast, private, and completely free.
Common Encoding Use Cases
Base64 is widely used for embedding images in HTML, transmitting binary data in JSON APIs, and encoding email attachments. URL encoding is essential for building query strings and handling special characters in URLs. These tools make both tasks instant and hassle-free.
Privacy-First Encoding
All encoding and decoding happens in your browser. Sensitive data such as API keys, tokens, and credentials never leave your device, making these tools safe for professional use.