
PixelSnap
Meazure
Shottr
xScope
PixelSake
QuickLens
Dimensions
An impressive set of design utility tools to measure distance, dimension, position, pick colors, test contrast and align elements, anywhere on your screen.

Chrome DevTools
Firefox Developer Tools
HTTP Debugger
Fiddler
Charles Proxy
HttpWatch
Proxyman.io
The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome, Edge, Firefox, and Opera, and will run on any platform that these browsers support including Windows, macOS and Linux.

Which is more popular?
Based on our record, EpicRuler seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | epicruler.com | chrispederick.com |
| Pricing | — | |
| Platforms | — | |
| Company | 2022 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of EpicRuler yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using EpicRuler and Web Developer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of EpicRuler yet. Be the first one to post
Web Developer Chrome browser extension is all in one toolkit that any web developer would desire to have. So what does it do? Basically, it has assembled a vast range of tools into categories, and each category...
Recommendations tracked on public social media and blogs since March 2021.


You can check it out on https://epicruler.com. Source: over 4 years ago
For EpicRuler I'm using this code to get the luminance of a pixel, which I think could be used in your case too, you just have to convert the RGB part to HEX:. Source: over 4 years ago
Tracking Web Developer since Aug 2025.
When comparing EpicRuler and Web Developer, you can also consider the following products.

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What are the dimensions of that image? How big is this window?
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Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.
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Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.
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Debug HTTP API calls to a back-end and between back-ends. Easy of use, clean UI, and short ramp-up time. Not a proxy, no network issues!
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