The most useful Online-Tools for Web Designers.

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Generate the favicon pictures and HTML-code that work on all major browsers and platforms.

 9

Convert SVG paths into polygons.

 6

SVGOMG is an Online-Tool for optimizing SVGs.

 6

Tool for finding safe color contrast combinations according to the Web Content Accessibility Guidelines.

 6

Grid Garden is a game for learning CSS grid layout.

 3

A client-side JavaScript app that checks a HTML document or source code and detects standard violations. Comes with standards for […]

 3

Flexbox playground and code generator.

 3

A CSS generator to create animated gradients for use on your website.

 3

CSS generator for centering text/div depending on their size or the container size.

 3

b64.io is an Online-Tool for optimizing images and encode them to base64 .

 3

Regex Hub is a library of useful regex patterns.

 3

Griddy is an online tool for learning the CSS Grid.

 2

A web and iPhone application for copying the ‘hidden’ characters that comes with the computer’s typefaces, to be pasted into […]

 2

The Ultimate CSS Gradient Editor was created by Alex Sirota (iosart). If you like this tool, check out ColorZilla for more advanced tools […]

 2

TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files. By selectively decreasing the number […]

 2

Spin.js creates Ajax-Loader / Spin-Wheels with pure CSS3. Retina-Ready and without images.

 2

IcoMoon provides a package of vector icons, along with a free HTML5 app for making custom icon fonts. Browse among […]

 2

SassMeister is a playground for Sass. Add some Sass and SassMeister will show you the rendered CSS.

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Convert the SASS-syntax to SCSS-syntax.

 2

Create a Google static map or Mapbox static map with Static Map Maker. Type in a location, customize, and get […]

 2

Online-Tool for creating native CSS3 Keyframe-Animations.

 2

Breakpoint Tester is a bookmarklet which scans your website stylesheet to find user defined media query breakpoints. It let’s you […]

 2

Flexbox in 5 minutes is an interactive tour of all the major features of the CSS property: flexbox.

 2

An interactive viewer to see and test how digital products respond to material design breakpoints across desktop, mobile and tablet.

 2

With Colorganize you can easily organize your most needed colors and make them ready to copy with just one click.

 2

Use the htpasswd generator to create passwords for htpasswd files. This htpasswd generator creates passwords that are hashed using the […]

 2

SearchUIEffects is a Demo with a couple of schematic, inspirational proof-of-concepts for how to show the search interface on a […]

 1

PunyPNG is a free website optimization tool that dramatically reduces the file size of your images without any loss of […]

 1

Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web […]

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Generate CSS for sprite sheets.

 1

CSS Button Generator will create beautiful css buttons for you to use on your web pages without the need for […]

 1

Tweriod gives you the best times to tweet. We analyse both your tweets and your followers‘ tweets. So you can start tweeting […]

 1

A fully customizable CSS3 generator to fit your needs. Now with older browser and Internet Explorer support!

 1

Gridpak is the starting point for your responsive projects, improving your workflow and saving time. Create your responsive grid system […]

 1

Online CSS Optimizer/Optimiser is a web tool for reducing the file size of cascading style sheets. In order to save […]

 1

Just a simple calculator to help turn your PSD pixel perfection into the start of your responsive website.

 1

A quick and simple image placeholder service.

 1

Pixel density & viewing distance calculator for a retina world.

 1

It is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide […]

 1

Enter a bunch of RSS feeds into ChimpFeedr, and we’ll mash ‚em up into one master RSS feed.

 1

AJAX Loaders generator in pure CSS. Creates animations that indicate that something is loading on a page. The indicators are […]

 1

Cross-Browser CSS in Seconds!

 1

An app to „fill“ in all the necessary code for CSS3 keyframe animations.

 1

As you type, the contrast ratio indicated will update. Hover over the circle to get more detailed information. When semi-transparent […]

 1

This Link Checker looks for issues in links, anchors and referenced objects in a Web page, CSS style sheet, or […]

 1

WPFill.Me creates filler content designed specifically for robust CSS testing in the WordPress environment.

 1

WPFunction.Me lets you quickly build all the functionality you need for your next WordPress project!

 1

GenerateWP provides user-friendly tools for developers to create advanced systems built on WordPress. Taxonomy Generator, Post Type Generator, Post Status […]

 1

I Want Hue is an Online-Tool to generate and refine palettes of optimally distinct colors.

 1

Show off how responsive design looks across different browsers easily with this 4 in 1 viewport tool. See how your […]

 1

CSS-animations with only one property and two values.

 1

All Unicode Symbols with Names and Descriptions on One Page.

 1

Calculate the height and width of pixel graphics for various hi-dpi-displays (f.e. retina).

 1

Easily find the DPI/PPI of any screen.

 1

CSS3 Flexible Box (Flexbox) Layout Explorer & Flexbox Code-Generator.

 1

Quickly and effectively identify required media queries for specific devices.

 1

Generates CSS3-code for multi-column text layouts.

 1

Create icon fonts from SVGs.

 1

URL Decoder/Encoder encodes or decodes your text as you wish.

 1

This tool analyzes the optimization of websites for mobile devices.

 1

Clippy shapes up your website with CSS clip-paths/masks.

 1

TTF to WOFF2 converts ttf format font files to woff2 files.

 1

SVG Circus enables you to create animated SVG spinners, loaders and other looped animations.

 1

Automated linting of Cascading Stylesheets.

 1

Online-Tool for viewing and sharing how website look at different screen sizes.

 1

Test your Twitter-Card-Markup with this official Debugger by Twitter.

 1

Robots.txt Test Tool is an Online-Tool for testing and analysing the robots.txt from your website.

 1

Online-Tool to understand how the nth-child, nth-last-child, nth-of-type and nth-last-of-type CSS3 selectors works.

 1

Pleeease is a Node.js application that easily process your CSS.

 1

A tool to help build Quantity Queries for your projects.

 1

This browser selector test will check how well your browser supports the CSS selectors from level 1 up to level […]

 1

Site Scan is an Online-Tool for checking out-of-date libraries, layout issues, and accessibility.

 1

The Performance Budget Calculator is an Online-Tool to calculate the Performance Budget for your project.

 1

SSL Check scans your website for non-secure content.

 1

Flexbox Froggy is an online application that lets the user learn the Flexbox Layout Module in a playful way. in […]

 1

The Medie Query Generator is an Online-Tool to generate Media Queries.

 1

Flexbox Defense is an online application, which teaches the Flexbox Layout Module in a playful way. The user is able […]

 1

The CSS Specificity Graph Generator compiles your stylesheet into a graph to visualize the specificity of your CSS selectors.

 1

This tool evaluates the savings by resizing images to various viewports, with the goal of fitting images into a »performance […]

 1

Simple CSS Media queries is a tool for Web Designers & Front End Developers who want to target a specific […]

 1

Name that Color is an Online-Tool to find out the name of matching colors.

 1

Simple CSS Units is a tool to simplify all CSS units like px, em, %,… You just need to enter in […]

 1

Simple CSS Clips is a tool to generate a CSS clip-path.

 1

WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your […]

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This is a Drag & Drop Bootstrap Template Builder to build a whole website out of pre designed components.

 1

Hasty is a free WordPress generator for code snippets like menus, taxonomies, shortcodes, custom post types and more.

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Distribute your blog to twitter, facebook and more.

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Enter a URL to see some helpful feedback about your page markup. Enter an access token to see its expiry […]

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This CSS calculator was built for lazy people like myself. There are many great RGB color converters out there, but […]

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JUST LIKE YOUR FAVORITE GRAPHICS EDITOR BUT IN YOUR BROWSER. AND IT CREATES CSS.

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Using HTML entities is the right way to ensure all the characters on your page are validated. However, often finding the right entity […]

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Em Calculator is a small JavaScript tool which helps making scalable and accessible CSS design. It converts size in pixels […]

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Seen a font in use and want to know what it is? Submit an image to WhatTheFont to find the closest […]

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create and find color palettes made from images

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CSS Formatter and Optimiser. Important Notes: the same selectors and properties are automatically merged your code should be well-formed. This […]

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Google Analytics is the enterprise-class web analytics solution that gives you rich insights into your website traffic and marketing effectiveness. […]

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Spritebox is a WYSIWYG tool to help web designers quickly and easily create CSS classes and IDs from a single […]

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Professional front-end template for building fast, robust, and adaptable websites.

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Patternify is a simple pattern generator. Not only can you build your pattern online, but with the base64 code, you […]

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A best practice baseline for your mobile web app.

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“I wonder how that site works?” Use UnderTheSite to find the answer! We detect and catalog the technologies used by your […]

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JSCompress.com is an online javascript compressor that allows you to compress and minify your javascript files. Compressed javascript files are […]

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This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

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The W3C CSS Validation Service is a free software created by the W3C to help Web designers and Web developers […]

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Track URL shares, likes, tweets, and more.

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Display number of tweets for links on websites.

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Two Step iOS Icon Generator.

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Enter the url to your site – local or online: both work – and use the controls to adjust the […]

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ProCSSor is a powerful (and wholly free) CSS prettifier that lets you format CSS in the exact way you want. […]

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

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With SpritePad you can create your CSS sprites within minutes seconds. Simply drag & drop your images and have them […]

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CSS3Ps – free cloud based photoshop plugin that converts your layers to CSS3.

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This handy tool helps you create dummy text for all your layout needs.

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Gradient Finder is an entirely in browser way to convert an image to its CSS gradient. You can also generate […]

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Smush.it uses optimization techniques specific to image format to remove unnecessary bytes from image files. It is a „lossless“ tool, […]

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Check links and anchors in Web pages or full Web sites.

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Launchlist is intended to help and encourage web designers and developers to check their work before exposing it to the […]

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Test the Load Time of a Web Page. Enter a URL to test the load time of that page, analyze […]

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Whichloadsfaster is a fun way to spread the word that web performance matters. It’s about friendly competition and about testing […]

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A cross-browser CSS-rule generator.

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Use this web application to experiment and learn about new css3 capabilities. The styles applied when changing the different settings […]

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A simple CSS3 Button Generator.

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A CSS button generator with different states for :link, :hover and :active.

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This tool compares the HTML5/CSS3 browser support based on years.

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Create beautiful, pure CSS drop shadows.

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A simple generator for beautiful drop-shadow effects.

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Detect Facebook-User-ID or Facebook-Page-ID by URL.

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Open an image that contains a gradient and then draw a line over the major components of the gradient.

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Use this tool to find a twitter id and the rss-feed from a username.

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Word2CleanHTML is an Online-Tool which converts Word documents to clean HTML.

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Responsive Grid System is a quick, easy & flexible way to create a grid for a responsive web site.

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ColorHexa.com is a free color tool providing information about any color. Just type any color values in the search field […]

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Trying to understand HTML5 compatibility on mobile and tablet browsers.

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A List of fonts which are integrated in iOS.

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Want to focus on marketing instead of marketing technology? Google Tag Manager lets you add and update your website tags, […]

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An Easy CSS3 Code Generator.

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The Greatest tool for sorting CSS properties in specific order.

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Add some awesome retro-look to your images.

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‚Thinkin‘ Tags‘ is a rapid prototyping tool, that works with CSS frameworks (currently YAML4 and Blueprint CSS, more are coming […]

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This is a tool to help web designers and developers learn the 147 CSS color names that are available today. […]

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A growing list of media queries for your responsible web design work.

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A simple tool to help identify which media queries your device responds to.

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Showing what @media features your device can and can’t see. Various media query tests are listed on this website, the […]

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Ringmark is a web-based test suite that measures how well a mobile browser supports the capabilities that modern mobile web […]

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A collection of major brand color codes.

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After starting the test-suite it will automatically run a large number of small tests which will determine if your browser […]

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Easing function specifies the speed of animation progresses to make it more realistic. The real object doesn’t begin its movement […]

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With Typograph you can easily set up your relative font sizes. This page falls somewhere between a tool and an […]

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Generate pure CSS3 On/Off flipswitches with animated transitions.

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Media queries, the heart of Responsive Web Design, is a W3C CSS3 standard. Mozilla and Safari support extensions; A new […]

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One-click PX/EM/%/PT conversion tables, a custom conversion calculator, and generated reset CSS.

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X-Icon Editor is an HTML5 application that allows you to create high resolution icons that lets your sites shine with […]

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CSS3 Base is a modular CSS builder for base stylesheets.

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Convert your PNG files to much smaller PNG-8 format, keeping transparency and browser compatibility. Upload a PNG file up to […]

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Opera Mini Simulator is a demo of Opera’s feature phone browser. It can be accessed from any Java-enabled Web browser, […]

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Facebook Cover Compliance Tool, check your Cover-Photos against the new 20% Rule.

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A tool for visual layout development of YAML based CSS layouts

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Fontello is a web generator to build custom fonts with icons.

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This little tool converts any .ttf (TrueType Font) or .otf (OpenType Font) file to .ttf, .otf, .eot, .woff and .svg […]

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An online tool which converts images into base 64 for use in a data URI scheme.

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The Media Queries are a solution, which also have its advantages and disadvantages. It was a disadvantage, when using, that […]

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Display and present responsive web designs.

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Color picker for data driven design.

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Compress PNG images into PNG-8 format with transparency support and full browser compatibility. Start with selecting up to 20 PNG […]

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Beautifies your CSS automatically so that it is consistent and easy to read.

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A most excellent HSL color picker

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This converter takes (valid) CSS and generates compass code for it. Just put the contents of your CSS into the […]

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HTMLiveCode is a real-time HTML/CSS/JavaScript code editor which is made for rapid prototyping.

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Fakeimg.pl is a little tool that generates images with an URL. Choose the size, the colors, even the text.

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The WordPress Query Generator helps WordPress developers create WP Query loops.

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Placeholder Images for every case. Just put a custom url in your html and you receive a proper placeholder picture.

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Screensiz.es is a nifty little database of screen specifications for the most popular devices on the market.

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Generate a noise texture pattern within 3 simple steps.

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Embed Responsively helps build responsive embed codes for embedding rich third-party media (YouTube, Google Maps, Vimeo, SoundCloud, Twitter etc.) into […]

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A type diff tool that visually contrasts the differences between two fonts.

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Convert Images to base64 for use in CSS, HTML, <img>, and more.

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Generate and download SVG images to use in CSS backgrounds for html and graphic design.

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Test and compare cubic-bezier() easing.

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Free & open source icon fonts hosting service.

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Preview and choose the right type scale for your project. Experiment with font size, scale and different webfonts.

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CSS & SASS icon kit creator. SVG & PNG sprite generator.

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SVG icons library with customizer and various iconsets.

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Unminify (unpack, deobfuscate) JavaScript-, CSS- or HTML-code and make it human-readable.

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Visualize SASS color functions in real-time without compiling.

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Create simple HTML sharing buttons to share your web content on Facebook, Twitter, Google+ and other social networks.

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HTML Now is an online HTML template generator.

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wordmark.it helps you choose fonts by quickly previewing them in the browser.

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WhichCMS can help you find which CMS has the features you need.

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WP-Theme Detector is a tool that will analyze any WordPress Website for you and will display a whole lot of information […]

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Front-End Framework Comparison is a collection of CSS Front-End Frameworks with information about browser support, license, responsive capabilities and more.

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SVG Editor is an Online-Tool for editing and optimizing SVGs.

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A responsive image tag placeholder generator.

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Gridlover creates a typographic system with modular scale & vertical rhythm.

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Fibonacci is an online-tool to create page layouts with flexbox.

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Favic-o-Matic generates favicons. It generates *.ico and *.png and the HTML code needed to implant it into your website for every browser […]

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Colour library for Sass.

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Bootsnipp is a Drag & Drop Form Builder and Generator for Bootstrap.

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This online-tool detects the pixel density of your devices.

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Shrinker is an Online-Tool to minify CSS and JS.

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WP Scan is an online WordPress Security Scanner to test vulnerabilities of a WordPress installation.

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Pixactly is a Fun-Tool that tests how well you know your pixels.

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Up-to-date data on support for type and typographic features on the web.

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This tool helps you to visualize the material design colors and copy them in different formats.

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Choose your favorite colors and get your Material Design palette generated and downloadable.

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Base64 Decoder/Encoder is an Online-Tool for decoding or encoding from Base64-Code.

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Iconogen is a Favicon, Windows 8 Tiles, Apple Touch Icon Generator and iOS Icon Generator.

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RQRWD is a responsive web design tool which allows you to work out the elements width in % from px.

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Nth-Test is a Online-Tool to test CSS nth-elements (nth-of-type, nth-child).

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px-em is a px to em tool which allows you to work out the em sizes from px.

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With Check GZIP compression you can check if your webserver is sending the GZIP compressed header to your clients.

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jQuery Builder lets you easily build a custom version of jQuery that just includes the modules you need.

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Trianglify Generator is a no-coding-required triangle pattern generator.

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CSS Shrink minimizes your CSS-Code to the smallest possible size.

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Epic Favicon Generator is an online-tool to generate favicons in up to 20 different sizes.

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Online-Tool to visualize various stats about css.

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SwiftIpsum is an Online-Tool for designers and developers to fill their ideas with content.

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A breakdown of the CSS support for popular mobile-, web- and desktop- email-clients.

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HTML Soft Hyphenation Generator is a configurable generator for automatic soft hyphenation in static HTML text without a script.

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Broken Link Checker is an Online-Tool which scans webpages for bad hyperlinks.

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Paths is an Online-Tool for building and editing SVG path elements.

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Browser Hacks is an extensive list of browser specific CSS and JavaScript hacks.

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CSS Blender is a CSS Blend Modes Demoing Tool.

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Get HTML color codes, Hex color codes, RGB and HSL values with our color picker, color chart and HTML color […]

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SVG optimiser is an Online-Tool for optimizing SVG.

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With DeviceMock.js you can display your website, or any of the elements (div, img , iframe) on your website, in […]

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Radial Gradients is an Online-Tool to create different radial gradients.

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Responsivizr is a visual tool to show how responsive images behave across viewports in RWD.

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Blend is a simple Online-Tool to generate CSS3 gradients.

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Responsive Images Breakpoint Generator generates the optimal responsive image dimensions.

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CSS Hexagon is an Online-Tool to generate CSS hexagons.

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Inliner is an Online-Tool to generate inline CSS.

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to-markdown is a HTML to Markdown converter.

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Atomic Docs is a front end style guide generator and Scss/Less/Stylus partial manager. Atomic Docs is built in PHP and […]

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Create your frontend code simple and quickly with Bootstrap using this Drag & Drop Interface Builder.

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You can use this tool to check if one or more URLs are valid Accelerated Mobile Pages (AMP) or not.