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.

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.

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