UTM Builder
Build campaign URLs that make every marketing click measurable.
Encode or decode a URL component without changing your source text.
Your input stays in your browser. No account needed.
Fill in the details and run the tool.
Your result will appear here.
Encode a parameter value, not a complete URL. Decoding expects percent-encoded text.
Encode a parameter value, not a complete URL. Decoding expects percent-encoded text.
URL Encoder / Decoder is free and does not require an account. Copy or download the result for your workflow.
Inputs and files are processed on your device. Anonymous usage events never contain your input or generated output.