Encode and decode text in Base64, URL encoding, HTML entities, Hex, Binary, and Unicode — all in one multi-tab tool, 100% client-side.
🚀 Launch Free Tool →✅ Base64 encode & decode
✅ URL encode / percent-encode
✅ HTML entity encode
✅ Hex & binary converter
✅ Unicode escape sequences
Base64 converts binary data into an ASCII string using 64 characters. It is commonly used to embed images in HTML/CSS (data URIs) and transmit binary data in JSON APIs.
URL encoding (percent-encoding) replaces unsafe characters in a URL with a % followed by the hex code. For example, a space becomes %20 and & becomes %26.
Encoding converts data to another format for compatibility — it can be reversed by anyone. Encryption scrambles data using a secret key — only the key holder can decrypt it.