Extremely Useful Online Tools For Web Development

Web development these days has made quite easier with the help of many online web development tools that are designed to make web development an achievable task. Internet is full of many online tools for the web development and many of them are extremely easy to use, furthermore do not require any technical know-how but deliver professional results. For this reason many developers who are at the beginner level of their career prefer to use such tools.

For this round up, we have compiled some essential online web development tools for you. All of them are extremely fast and easy to use and can save a lot of development time. Enjoy!

HTML Purifier

HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant, something only achievable with a comprehensive knowledge of W3C’s specifications.

Frame Box

Lightweight online tool for creating and sharing mockups (wireframes). Easy, fast and free in use.

CSS3 Click Chart by Impressive Webs

Allows you to change how the browser calculates the width of an element, that is, whether or not to include padding, borders, and margins, in the width or height calculation.

Google Hosted Libraries

The Google Hosted Libraries is a content distribution network for the most popular, open-source JavaScript libraries. The hosted libraries provides access to a growing list of the most popular, open-source JavaScript libraries.

Bear CSS

Helping you build a solid stylesheet foundation based on your markup.

ProCSSor – Advanced CSS Prettifier

Advanced CSS Prettifier that lets you format CSS in the exact way you want. It empowers you to turn your CSS into something that is visually more compelling, and with a minimum of effort at that.


Get the latest version of the script tag for the Javascript library of your choice.


A quick tool for creating HTML tables out of spreadsheet data.


With SpritePad you can create your CSS sprites within minutes seconds. Simply drag & drop your images and have them immediately available as one PNG sprite + CSS code. No fiddling in Photoshop, no manual assignment of CSS styles.


The Browser Sandbox lets you run any browser instantly from the web in an isolated virtual environment. Spoon.net works using a small browser plugin.


Spur – A fun and easy way to critique a webpage.


Loads.in – test how fast a webpage loads in a real browser from over 50 locations worldwide.

HTML5 Test

The HTML5 test score is an indication of how well your browser supports the upcoming HTML5 standard and related specifications. Even though the specification isn’t finalized yet, all major browser manufacturers are making sure their browser is ready for the future. Find out which parts of HTML5 are already supported by your browser today and compare the results with other browsers.


It’s easy to understand why thou­sands of developers use SimpLESS for their web projects. SimpLESS is your easy-to-use LESS CSS compiler. Available for free for mac and pc.


Just like your favorite graphics editor but in your browser, and it creates css.


You have JavaScript. You need a bookmarklet. This does that.


JSLint,The JavaScript Code Quality Tool.


Background images make pages look good, but also make them slower. Each background image is an extra HTTP request. There’s a fix: combine background images into a CSS sprite. But creating sprites is hard, requiring arcane knowledge and lots of trial and error. SpriteMe removes the hassles with the click of a button.


Enter a URL to test the load time of that page, analyze it and find bottlenecks.


A tool for visual development of YAML based CSS layouts.

CSS Warp

CSSWarp is a tool for “warping” HTML text directly in the browser. It will apply text transforms to your CSS in a way that you will have native text in an HTML page that looks as if it were created with Illustrators attach to path tool.

CSS Generator

Simple tool that will generate CSS frame out of your XHTML structure.

CSS Typeset

CSS Type Set is a hands-on typography tool allowing designers and developers to interactively test and learn how to style their web content.


CSS Grid Builder.

Clean CSS

Clean CSS – A Resource for Web Designers – Optmize and Format your CSS CSS Formatter and Optimiser/Optimizer (based on CSSTidy 1.3)

FavIcon Generator

Use this online tool to easily create a favicon (favorites icon) for your site. A favicon is a small, 16×16 image that is shown inside the browser’s location bar and bookmark menu when your site is called up. It is a good way to brand your site and increase it’s prominence in your visitor’s bookmark menu.

W3C Markup Validation Service

HTML, HyperText Markup Language, Validation, W3C Markup Validation Service.


Connect to your FTP server and start editing your website now.

Frank DeLoupe Color Picker

Your new color-picking friend for Mac OS X. Connect to Photoshop via Remote Connection and pick colors system-wide effortlessly. Or pick colors and paste their code in your favorite editor. Easy.

Web Page Analyzer

Free Website Performance Tool and Web Page Speed Analysis.


dbdsgnr is an html5 web app which allows you to design your database schema without writing sql. You can design your database schema just like creating a UML diagram.


A simple and elegant code snippet tool for developers.


RegExr is an intuitive tool for learning, writing, and testing Regular Expressions.

Web Resizer

Web Resizer is the free online photo resizing tool.

CSS Gradient Generator

A powerful Photoshop-like CSS gradient editor from ColorZilla.


Ideone is something more than a pastebin; it’s an online compiler and debugging tool which allows to compile and run code online in more than 40 programming languages.


Easily create .htaccess files online.


A nifty online tool for setting your browser size while doing Web design.

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