How to Use the URL Encoder and Decoder
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1
Choose Action: "Encode" or "Decode".
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2
Choose Scope: "Component" (`encodeURIComponent` for query parameters) or "Full URL" (`encodeURI` preserving `://` and `/`).
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3
Enter your string and inspect the percent-encoded or human-readable decoded result.
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4
Copy the output with one click.
Practical Example & Use Case
Common Real-World Scenario
Encoding a search term with spaces and symbols (`laptop & tablet = 100%`) into `laptop%20%26%20tablet%20%3D%20100%25`.
Technical Notes & Limitations
Browser Engine Architecture
Malformed percent sequences (such as `%` not followed by two hex digits) will display a helpful syntax alert.
Frequently Asked Questions
When should I use Component vs Full URL?
Use "Component" when encoding a value inside a `?query=` string. Use "Full URL" when encoding an entire address without breaking slashes.