URL Encoder & Decoder
Encode and decode URL components or complete URLs locally.
Input up to 1 MiB. Malformed percent escapes and invalid UTF-8 are rejected. This tool does not open or fetch URLs. All processing stays on this device.
Result
Your result will appear here after processing.
How do I use this tool?
Choose a component for a query value or path segment, or a full URL to preserve URL separators. Form decoding can treat + as a space.
What does it support?
Input up to 1 MiB. Malformed percent escapes and invalid UTF-8 are rejected. This tool does not open or fetch URLs.
Does my input leave my device?
No. Processing runs locally in your browser. Input and results are kept only on this page and are cleared when you leave, reload or clear the tool. Copy and download happen only when you choose those actions.