Marketing Utility Belt

14 automation tools to speed up daily workflows.

UTM Builder UTM Decoder GTM Data Layer GA4 Validator A/B Test Calc ROAS / ROI CPM / CPC / CPA Quality Score SERP Preview Keyword Density Subject Line Spam Checker CSV → JSON Contrast Checker
TRACKING

UTM Campaign Builder

Standardize your tracking parameters instantly.

Fill in the fields...
TRACKING

UTM Decoder

Paste any UTM URL and break down every parameter at a glance.

TECHNICAL

GTM Data Layer Generator

Generate valid JavaScript code for GA4 Ecommerce events.

// Code...
ANALYTICS

GA4 Event Validator

Check if your event names and parameters follow GA4 naming rules.

DATA SCIENCE

A/B Test Significance Calc

Check if your campaign results are statistically significant.

Version A (Control)

Version B (Variation)

PERFORMANCE

ROAS / ROI Calculator

Instantly calculate your Return on Ad Spend and profitability.

AD METRICS

CPM / CPC / CPA Converter

Convert between key ad metrics — fill in any fields you know.

GOOGLE ADS

Quality Score Estimator

Estimate your Google Ads Quality Score based on 3 key factors.

Estimated Quality Score
6/10
SEO

Meta Title & Description Previewer

See how your page looks in Google Search results in real time.

https://www.example.com
Your Page Title
Your meta description will appear here. Make it compelling to increase click-through rates from search results.
SEO

Keyword Density Checker

Paste your content and see which keywords dominate your text.

Words: 0 Unique: 0
EMAIL

Subject Line Character Counter

Preview how your subject line looks on desktop and mobile.

DESKTOP (60 chars)
Your subject line here
MOBILE (30 chars)
Your subject line here
EMAIL

Spam Score Checker

Detect risky words in your subject line before you hit send.

0
Type your subject line above
UTILITY

CSV → JSON Converter

Convert CSV data to clean JSON instantly — great for data layers and APIs.

ACCESSIBILITY

Color Contrast Checker

Ensure your CTAs and ad creatives meet WCAG accessibility standards.

The quick brown fox jumps over the lazy dog
Small text sample — body copy and captions

Discussion

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