UTM Campaign URL Builder
Create consistent campaign links without losing existing URL parameters.
SEO ToolsEncode a query parameter or decode percent-escaped text.
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Enter a parameter value. Choose Encode or Decode. Copy the result into the appropriate URL field.
Encoding applies to a single component. Do not encode an entire URL if you need to preserve its slashes and question mark.
No. Tool input stays in browser memory and is not sent to a server. Favorites and recent tool names are saved locally only. Reloading clears your input.