UTM-Link-Builder

Use the free online UTM-Link-Builder tool. Fast, private and easy to use — runs entirely in your browser. Part of our Web- & Entwicklertools collection.

CSS-Verschönerer

Format and indent messy or minified CSS so it is easy to read and edit.

CSS-Verkleinerer

Shrink CSS by removing comments and whitespace for faster page loads.

JavaScript-Verschönerer

Reindent and format JavaScript so it is readable again.

JavaScript-Verkleinerer

Strip comments and whitespace to reduce JavaScript file size.

JSON-Validator

Check whether your JSON is valid and see the exact error if it is not.

XML zu JSON

Convert XML documents into clean, readable JSON.

URL-Parser

Break any URL into its protocol, host, path, query parameters and fragment.

UTM-Link-Builder

Create trackable campaign links with UTM parameters for analytics.

Color Converter (HEX · RGB · HSL)

Convert a HEX color to RGB and HSL and preview the swatch.

QR-Code-Generator

Generate a downloadable QR code from any text or link, right in your browser.

Häufig gestellte Fragen

Is the UTM-Link-Builder free to use?
Yes. The UTM-Link-Builder is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.
Is the UTM-Link-Builder safe and private?
Absolutely. The UTM-Link-Builder runs entirely in your browser, so your data never leaves your device and nothing is uploaded to a server.
Do I need to install anything to use the UTM-Link-Builder?
No installation is needed. The UTM-Link-Builder works instantly online in any modern browser on desktop, tablet or mobile.
Does the UTM-Link-Builder work on mobile phones?
Yes. The UTM-Link-Builder is fully responsive and works smoothly on iPhone, Android and any other device.