Query String & UTM Builder

Add parameters like utm_source and utm_campaign, then copy the query string or complete URL. Build query strings and full UTM campaign URLs from key/value pairs

Introduction

Query String & UTM Builder is a free, browser-based utility in our HTTP & API Tools collection. Add parameters like utm_source and utm_campaign, then copy the query string or complete URL. Query String & UTM Builder helps marketers and developers assemble tracking URLs and arbitrary query parameters without manual encoding mistakes. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include dynamic key/value rows.

Features

Dynamic key/value rows
Query string output
Full URL output
Copy actions

How to use

1
Enter a base URL and parameters.
2
Copy the query string or full URL.

Example

Campaign link

Input

utm_source=newsletter

Output

https://example.com/?utm_source=newsletter

Benefits

Run UTM Builder entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
Dynamic key/value rows
Query string output
Full URL output
Pair it with URL Parser and Query Parser when your workflow needs adjacent utilities.

FAQs

Yes, via URLSearchParams / URL APIs.

Yes - any key/value pair works, not only UTM fields.

No.

Yes. UTM Builder on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. UTM Builder runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Add parameters like utm_source and utm_campaign, then copy the query string or complete URL. It fits everyday http & api tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: Dynamic key/value rows; Query string output; Full URL output; Copy actions.

Developers often pair UTM Builder with URL Parser, Query Parser, Meta Tags. Open Related tools on this page for quick links.