Add extensions, get work done

This editor is used to display and check your HTML and CSS code easily. Just click on the this Extension Icon on the toolbar and it will open the Editor in the New tab. This will save the time of the Front end Developers.

Adds a button to the toolbar to switch the User-Agent header.

Cookie's best friend! Modern cookie manager.

Production-ready screenshots made simple for creators, developers and marketers.

This addon lets you edit any page! Press Shift+Alt+D to toggle document.designMode = 'on'/'off'. The logo is CC0 from here https://pixabay.com/en/pencil-pen-orange-red-eraser-190586/

Adds a sidebar to the Sidebar Extension is a Firefox add-on that enhances your browsing experience by adding a customizable sidebar to your browser. With this extension, you can easily access important information, tools, or websites without lbrowser

A tool for editing text spacing properties on web pages. WCAG conformance information included.

Detects font properties and styles

Open Figma files in Desktop Application.

Blexb is a free Alexa Rank Alternative extension. Display any website’s global rank and traffic rank.

Lists usage of Universal Analytics, Google Analytics 4, and Google Tag Manager on a page.

showModalDialog shim rewrites deprecated showModalDialog() to window.open() function so it works in newer browsers! Useful for legacy enterprise web applications Ported from chrome version at https://github.com/chuckhendo/showModalDialog-shim

Change any page font instantly with a simple click, choose from a list of over 800 different fonts.

Extract all images and show in new tab

Fill Online Form and Scraper Data, Input, Checkbox, Select Fields, Click Button, Execute JS Script, Run Predefine Functions

Open source extension that changes styles on php.net website with many other fixes for better experience of using documentation. Extension adds the dark theme to php code examples and changes its color schemes

Base64 Encoder Decoder, based on contextMenu, with in-place html text replacement.

Add a context menu to images to show their URL and alt text

Removes the X-Frame-Options header from all responses.

Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).