Martech Zone Tools
A collection of small web-based tools provided free to marketers to help them with their day-to-day work.
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What Is Your Site’s AI Visibility Score?
For decades, Search Engine Optimization (SEO) dominated digital discovery. We built sites for humans to read and Google to rank. However, the rise of Answer Engines like ChatGPT, Perplexity, and Gemini has fundamentally shifted the landscape. These tools don't just…
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Device Mockup Generator: Turn Any Website Into a Free Marketing Mockup (Supports Dark Mode)
A new case study needs a hero image of the client’s homepage sitting inside a laptop, not a flat browser screenshot pasted onto a white background. A social post announcing a redesign needs a phone showing the new layout in…
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Screenshot Capture: Free Mobile and Desktop Website Screenshots that Support Dark Mode
Every marketer eventually needs a picture of a website, and not just any picture. A case study needs a clean hero shot of a client's homepage. A social post announcing a new feature needs a phone showing exactly what changed.…
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IP Resolver: How Domain Resolution Works (And Why Your True Host IP Might Be Hidden)
Have you ever wondered what actually happens when you type a website name into your browser? Computers don't understand human words like martech.zone. They communicate using strings of numbers called IP addresses. To bridge this gap, we built the IP…
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DMARC RUA Report Viewer
Every domain that publishes a DMARC record can receive daily aggregate reports — called RUA reports — from major mailbox providers (ISPs) like Google, Microsoft, and Yahoo. These reports tell you exactly which IP addresses are sending mail on behalf…
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Email Header Analyzer
Every email you receive carries a hidden payload of technical metadata in the email header. While most people never look past the From and Subject lines, the full header tells the complete story of an email's journey: where it actually…
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YouTube Thumbnail Viewer: Here Are Your YouTube Shorts or Video Images
YouTube uses various URL formats to direct users to its videos and accompanying thumbnail images. We've built a nice little tool where you can locate yours, even supporting the YouTube Shorts vertical videos: YouTube Thumbnail Viewer v2.0.2Last Update: Aug 21,…
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How to Create Snow With JavaScript
Adding a snowfall animation to your website is a delightful way to give it a touch of seasonal charm. The following JavaScript example demonstrates how to simulate gently falling snowflakes using only plain HTML, CSS, and JavaScript with no external…
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Measure Your Website’s Page Experience with Google Pagespeed Insights
In the early days of the web, performance was measured by a simple stopwatch: how many seconds did it take for the spinning icon to stop? Today, that metric is nearly obsolete. High-speed fiber connections and 5G have reduced the…
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HTML Viewer and Editor for Email Signatures and Web Snippets
When you see an email signature you admire—or a section of a website that’s styled just right—copying the HTML directly can be tricky. Often, pasting it into a text editor strips out formatting, or worse, breaks the structure entirely. HTML…
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Compress or Uncompress Your Cascading Style Sheets (CSS)?
Read below for a full explanation of how cascading stylesheets work. We display our apps at the top of the page so that it's easy to find and use. If you're reading this article via email or feed, click through…
