URL Encoder

Convert special characters, spaces, Unicode, and query strings into percent-encoded RFC 3986 format or preserve full URL structures.

Full URL ExampleComponent ExampleUnicode & Emoji
Percent Encoding URL Characters…

Executing RFC 3986 transformation, parsing URL components, and analyzing character replacement.

Double-Encoding Notice: Input contains existing percent-encoded sequences (e.g. %2520).
Malformed Sequence Warning: Detected invalid percent sequences:
Input Length

0 Chars

UTF-8 Character Count
Output Length

0 Chars

Encoded Result Length
Length Expansion

+0%

Percent Increase
Percent Encoded Output (RFC 3986)
All Encoding Format Variations
Full URL Structure Preserved:
RFC 3986 Component Encoding (%20):
Form-Style Encoding (+ Space):
Character Transformation Analysis
Original CharacterPercent Encoded PairHexadecimal Byte

What is URL Encoding?

URL Encoding converts unprintable or special characters (such as spaces, ampersands, question marks, and non-ASCII characters) into percent-encoded triplets (e.g. %20 for spaces) to safely transmit URLs over HTTP protocol.