What characters are encoded in URL encoding?

URL Encoder & Decoder

Encoders & Decoders100% Client-Side

Encode and decode query strings and special characters for safe HTTP URL transmission.

Encode all special characters (encodeURIComponent)

URL Input58 chars

Processed Result

0 chars

What is URL Encoder & Decoder?

URL encoding (Percent-encoding) converts reserved and non-ASCII characters into standard percent-encoded octets (%XX) so that URLs can be safely transmitted across internet protocols.

How to Use Online

1
Select ActionChoose URL Encode to escape special characters, or URL Decode to restore standard text.
2
Enter URL or ParameterPaste the target link, query string parameter, or text string into the input area.
3
Choose Encoding ModeSelect encodeURIComponent for query parameters or standard encodeURI for complete links.
4
Copy Escaped StringCopy the percent-encoded URL string ready for API calls or browser navigation.

Key Features

Support for encodeURIComponent and standard URI encoding
Decode complex nested encoded query parameters
Instant conversion as you type
Handles full UTF-8 Unicode characters cleanly

Common Use Cases

Encoding search queries and UTM tracking parameters
Debugging malformed query string parameters
Safe transmission of JSON payloads inside URL queries

Frequently Asked Questions

Reserved characters like spaces (%20), slashes (%2F), question marks (%3F), ampersands (%26), and non-ASCII characters (like accented letters) are encoded.