Free Online Tools
That Just Work

Simple utilities for marketers, analysts, and developers.
No sign-up. No ads. No tracking.

Try UTM Builder →

100% Free

FREE FOREVER

Zero Tracking

ADS & TRACKERS

Private by Design

RUNS IN BROWSER

🛠️ Available Tools

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UTM Builder

Create trackable campaign URLs with UTM parameters for Google Analytics 4.

Open Tool

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UTM Guide

Learn what UTM parameters are and best practices for campaign tracking.

Read Article

🚀 Coming Soon

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JSON Formatter

Format and validate JSON

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Base64 Encoder

Encode and decode Base64

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Password Generator

Create secure passwords

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Word Counter

Count words & characters

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100% Free

No premium tiers, no paywalls, no hidden costs.

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No Sign-up

Just open and use. No accounts required.

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Privacy First

Your data never leaves your browser.

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Fast & Simple

No bloat. Tools that just work.

Built by Jan van Dijk

Web analyst from Amsterdam. Building the tools I wish existed.

About Me