

Extensions like these require access permissions on all websites to perform color extraction. For more advanced features, there's a similar tool called ColorZilla that comes with a Gradient generator, color picker, and color history viewer.
2. One-click Full Page Screenshot
Taking full-page screenshots is a necessity for interface design work. Sometimes the best way to convey your design changes is to capture the entire webpage. True to its name, this extension will capture a screenshot from top to bottom of the page with just one click.

The entire webpage will appear for you to download in PNG format. You can also apply some effects to the image including filters, drawing on the page, adding text, and more.
3. EditThisCookie

Web developers require access to cookie managers to add, delete, edit, protect, and block cookies. EditThisCookie is a useful extension that allows you to work with cookies as desired and export or import data in JSON format. This helps keep your website healthy by removing old cookies and setting maximum expiry dates for any cookies.
4. ModHeader

ModHeader is one of Chrome's most popular extensions for modifying a webpage's HTTP headers. With just one or two clicks, you can enable header modifications based on URL or resource type. The best part is you can create multiple configurations and add different values to the modified headers. All modifications can be restricted to a single tab or the entire webpage.
5. UX Check

We all need to evaluate a website using the HE (Heuristic Evaluation) method, which assesses interface compliance with recognized principles and usability. This is easily done with UX Check, an extension displaying all UX-related feedback. After clicking on an element inconsistent with the experience you've assessed, you can add notes and take screenshots. Finally, all changes can be exported in .docx format.
6. Window Resizer
Web developers need to simulate their websites for various screen sizes. With Window Resizer, you can easily perform these evaluations for laptops, tablets, smartphones, and any screen size you choose.

This tool boasts some interesting features like 'Rotate' and 'Direct Measurement', along with a range of intuitive custom functions. If you want to build a website that's responsive across multiple devices, make sure you've checked its interface sizes.
7. Lorem Ipsum Generator

To quickly complete a website, you need default text. An extension called Lorem Ipsum Generator offers various default text options including paragraphs and sentences, each with different content per paragraph. You can select paragraphs or the entire text with 'Auto Select'.
8. Builtwith Technology Profiler

Builtwith is a classic extension to discover all the fundamental technologies supporting a given website. With just a click, you'll be able to find the latest add-ons and tools that make a website stand out. From there, you can reference and learn from their methods to apply to your own website.
9. WhatFont

WhatFont is one of the quickest and easiest ways to identify different fonts on a website. Just hover over the text to see its full details. This extension also detects advanced fonts like Typekit and Google FontAPI.
10. CheckMyLinks

Sometimes, we need an objective summary of all the links leading to a website. CheckMyLinks is a popular extension to summarize valid, invalid, and broken links. This tool is extremely handy for a final check before your website or changes go live.
