Encoding & conversion
URL encode / decode
Distinguish full addresses, parameter values and form values. Give every character its proper place.
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Using this tool
Encode or decode parameter values, complete URIs or form values without confusing separators.
Actions: Encode · Decode
Example
Parameter-value mode encodes the space, plus and ampersand separately.
Example action and settings
Action: Encode Semantics: Parameter value · encodeURIComponent
Input / action
a b+c&d
Result / expected behavior
a%20b%2Bc%26d
Available options: Semantics
Scope and limitations
- Full URI mode preserves / ? & = #; form mode encodes spaces as +. This tool processes one value, not a whole form.
Common mistakes
- Encoding a full URL as a parameter value escapes its separators. Incomplete percent escapes or invalid UTF-8 escapes fail decoding.
Related tools
URL inspector Outlook SafeLink decoder
Privacy and browser support
Input is processed in this browser. Do not use real keys or active sensitive credentials as demonstration data. Device features require browser support and your permission.