URL Decoder
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Formula: decodeURIComponent(text)
URL Decoder
URL decoding reverses the encoding process, making percent-encoded strings human-readable again.
Conversion Formula
decodeURIComponent(text)
Each %XX sequence is converted back to the corresponding character.
Step-by-Step Examples
hello%20world = hello world
%20 decodes to space
Frequently Asked Questions
What does URL decoding do?
It converts percent-encoded characters back to their original form. %20 becomes a space, %26 becomes &, etc.
Why might decoding fail?
If the input contains invalid percent-encoding sequences (like a lone % not followed by two hex digits).