Free Browser Addons and Extensions for SEO Experts

We have collected Browser Addons and Extensions for SEO on this page. These are our personal favourites and we use them in our SEO campaigns daily.

Handy Firefox Add Ons for SEO

Copy All Tab Urls

An extension to copy all Tab Urls

Close Tabs to the Right

Close all tabs to the right of the current tab.

SeoQuake SEO extension

Accelerate your SEO efforts on the fly.

SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.

SEOquake allows you to:

Review all major metrics in a heartbeat
Get a thorough analysis of SERPs and export the results in CSV format
Estimate keyword difficulty instantly
Set parameters for a search query
Run a complete SEO audit of a webpage, including a check for mobile compatibility
Use a wide range of default parameters or create a custom set
Get a full report for internal/external links
Determine a keyword’s density and configure a stop-word list
Compare URLs/domains
Check your social statistics for Facebook and Google+

BuiltWith web site profiler tool

BuiltWith’s goal is to help developers, researchers and designers find out what technologies web pages are using which may help them to decide what technologies to implement themselves.

Bitly URL Shortener

Shorten, measure, and optimize your links. The Bitly Firefox Add-on is fully integrated with your Bitly account. Copy, customize, and share your links straight from your browser!

Lightshot (screenshot tool)

Lightshot is a tool allowing you to easily make screenshots of any selected area in a browser tab. You just hit Lightshot icon on the toolbar or status bar, then select area you want to make a screenshot from and click “Save” or “Upload to server”. In case of uploading you instantly get link to a screenshot you’ve just uploaded.

Chrome Browser Extensions for SEO

Word Count tool

Word Count Tool counts the number of words and characters in the selected text

Word Count Tool is a useful tool that counts the number of words and characters in the selected text. Just select the text and right click to invoke the context menu “Word Count Tool”.

Identify fonts on web pages

The easiest way to identify fonts on web pages.

What is the easiest way to find out the fonts used in a webpage? Firebug and Webkit Inspector are easy enough to use for developers. However, for others, this should not be necessary. With this extension, you could inspect web fonts by just hovering on them. It is that simple and elegant.It also detects the services used for serving the web fonts. Supports Typekit and Google Font API.

Tag Assistant (by Google)

Tag Assistant helps to troubleshoot installation of various Google tags including Google Analytics, Google Tag Manager and more.

Tag Assistant helps you verify that you have installed various Google tags correctly on your page. Just navigate to any page and Tag Assistant will tell you which tags are present, report any errors we find and suggest improvements that can be made to your implementation. Most Google tags are checked including Google Analytics, Adwords Conversion Tracking, Google Tag Manager and more.Use Google Tag Assistant Recording to record a typical user flow to and through your website and instantly validate, diagnose, and troubleshoot issues with your Google Analytics implementation.

SEOquake

SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others

SEOquake allows you to:★ Review all major metrics in a heartbeat ★ Get a thorough analysis of SERPs and export the results in CSV format ★ Estimate keyword difficulty instantly ★ Set parameters for a search query ★ Run a complete SEO audit of a webpage, including a check for mobile compatibility ★ Check your social statistics for Facebook and Google+ ★ Use a wide range of default parameters or create a custom set ★ Get a full report for internal/external links ★ Determine a keyword’s density and configure a stop-word list ★ Compare URLs/domains

Easy Auto Refresh

Auto-refresh and auto-reload pages after any number of seconds.

Automatically reloads web pages after any number of seconds.Features: * Refresh pages after a set number of seconds. * Set different delays per page or tab. * Remembers your settings per page. * Remembers web page scroll position.Simply enter the number of seconds between reloads and click Start. You can specify different settings per tab. Preferences are saved per web page URL. The countdown pauses while typing. To stop refreshing of the tab, just click Stop.

Copy All Urls

Copy tabs URL to clipboard (formats : text, HTML, JSON or custom). Paste to open multiple URL at one go.

Two features : – Copy all opened tabs URL into clipboard. 4 formats available : Text, HTML, JSON and custom format. – Paste to open all URLs in the clipboard into new tabs.You can use keyboard shortcuts and copy only selected tabs.

BuiltWith Technology Profiler

Find out what the website you are visiting is built with using this extension.

The BuiltWith Chrome Extension lets you find out what a website is built with by a simple click on the builtwith icon!BuiltWith is a web site profiler tool. Upon looking up a page, BuiltWith returns all the technologies it can find on the page.

bitly URL shortener

Shorten, measure, and optimize your links.

Shorten, measure, and optimize your links. The Bitly Chrome extension is fully integrated with your Bitly account. Copy, customize, and share your links straight from your browser!

Time Zone Converter – Savvy Time

Time zone and local time converter. Compare and convert time between many locations at a time.

Time zone and city time converter between multiple locations worldwide. Converter allows find, add and compare over 100,000 cities and about 300 time zones without a limit and for free. Converts times instantly as you type, in both direction.

Color Picker

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies

ColorZilla, one of the most popular Firefox developer extensions with over 5 million downloads is finally available for Chrome!With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program. And it can do so much more…

Full Page Screen Capture

Capture a screenshot of your current page in entirety and reliably—without requesting any extra permissions!

The simplest way to take a full page screenshot of your current browser window. Click on the extension icon (or press Alt+Shift+P), watch the extension capture each part of the page, and be transported to a new tab of your screenshot where you can download it as an image or PDF or even just drag it to your desktop.

Automatic Backlink Checker

This extension is the best way to find dofollow, nofollow, and broken links in your link building campaign.

Automatic Backlink Checker helps to analyze the quantity of links on a website and shows whether they are DoFollow (in case a link is external and doesn’t have nofollow attribute) or NoFollow (in case a link is internal or has nofollow attribute). Beside those features, extension checks (manually or automatically) and highlights broken links and helps to find them with its Broken Link Finder.Features: 1. Counts the number of DoFollow and NoFollow links on a website in the real time; 2. Checks if the link external (DoFollow) or internal (NoFollow) and highlight it with a custom highlighter; 3. Finds broken links and crosses them out; 4. Broken Link Finder is a feature which helps to move from one broken link to another. 5. Checks Broken Links Automatically. You can turn on this feature in settings and check broken links without extra efforts.

Facebook Pixel Helper

The Facebook Pixel Helper is a troubleshooting tool that helps you validate your pixel implementation.

The Facebook Pixel Helper works in the background to look for conversion or Facebook pixels and provide realtime feedback on the implementation. A small number will appear on the Facebook Pixel Helper icon to indicate number of pixel events. When clicked, a panel will expand to show a detailed overview of the page’s pixels, including warnings, errors and successes.

Mobile View Switcher

Switch to mobile view with one click via toolbar button.

Pinterest Tag Helper

A tool to help you build, troubleshoot and test your Pinterest Tags.

What Font

The easiest way to identify fonts on web pages.