URL Encoder & Decoder
Safe and fast URL encoding and decoding utility.
Input
Output
About This Tool
The URL Encoder and Decoder is an essential tool for developers and SEO professionals. Unlike standard text, Uniform Resource Locators (URLs) can only use a specific subset of ASCII characters. When you need to transmit data with special characters (like spaces, emojis, or symbols) inside a URL query string, you must encode it to avoid breaking the link.
When to Use
- When passing parameters in an API GET request.
- When sending JSON data through a query string.
- When creating deep links with complex path arguments.
- When trying to read a garbled %-encoded URL sent by a client.
Practical Examples
Space Encoding"Hello World" becomes "Hello%20World"
Symbol Encoding"user@email.com" becomes "user%40email.com"
Common Mistakes to Avoid
- Encoding an entire URL (including the https://) instead of just the query parameters—doing so breaks the protocol and domain.
- Double encoding values. If you URL-encode a string twice, %20 turns into %2520, which leads to bugs down the line.
Frequently Asked Questions
Q. What happens if I encode an already encoded string?A. It will be encoded again (double-encoding). The '%' sign from the first encoding gets converted to '%25'.
Q. Is URL encoding the same as Base64?A. No. URL encoding replaces unsafe characters with a '%' followed by two hex digits. Base64 is a binary-to-text encoding scheme used to represent binary data in an ASCII string format.