Base64 / URL / HTML Entities Encoder

Encode and decode text in multiple formats

Multi-format encoder supporting Base64, URL encoding, and HTML entities in one powerful tool. Switch between formats seamlessly, encode or decode text instantly. Perfect for web development, data transmission, or escaping special characters in HTML, URLs, and more.

Format Information

Base64: A binary-to-text encoding scheme that represents binary data in ASCII format using 64 characters (A-Z, a-z, 0-9, +, /).

Common Uses: Email attachments, data URLs, storing binary data in JSON/XML, API authentication tokens.

Note: Base64 encoding increases data size by approximately 33%.

How to Use

  1. 1 Choose your format: Base64, URL encoding, or HTML entities
  2. 2 Enter text to encode or paste encoded text to decode
  3. 3 Click 'Encode' or 'Decode' to transform
  4. 4 Switch between formats with tabs to see different encodings
  5. 5 Use for web development, API work, or safe text transmission