JSON Formatter
Format, minify and validate JSON with useful syntax errors.
Developer toolsURL Encoder / Decoder
Encode or decode one URL component with percent encoding.
Processed locally in your browser — your data is not uploaded.Loading your tool…
How to use URL Encoder / Decoder
- Choose encoding or decoding.
- Enter one component, such as a query value.
- Process and copy the result.
Does this encode a complete URL?
No. Component encoding is for one path segment or query value; a whole URL contains separators that should remain intact.
No sign-up is required. The calculation or transformation happens in this browser tab and the result is available immediately.
Good to know
What causes a decode error?+
A percent sign must have two hexadecimal digits and encoded bytes must form valid text.
Are spaces encoded as plus signs?+
No. Component encoding uses %20.
Is my input uploaded?+
No. This tool runs in your browser and does not send input or results to Metyris or a third-party processor.