Useful HTML Links
Listing the most useful HTML-related free online tools and resources for web developers.
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Can I UseProvides browser support information of front-end web technologies. Enter a search term to find out which browsers support it. caniuse.com
Online HTML EditorFree online HTML editor with WYSIWYG and source composer and instant preview and many useful built-in features html-online.com
Web CleanerOnline HTML, CSS and JavaScript cleaner and code editors with syntax highlighting and customizable cleaning features. html-cleaner.com
Word HTMLFree online Word and other rich text editor and HTML converter. Copy-paste your document in the editor and switch to HTML view to get the code. wordhtml.com
HTML Cheat SheetHTML, CSS, JavaScript and other web technology cheat sheet with interactive user interface. Grab the code you're looking for quickly. htmlcheatsheet.com
Stack OverflowHuge programmer community where you usually don't have to ask for help because probably someone has already answered the same question. stackoverflow.com
w3schoolsThe place to learn web technologies. There's a big chance that this site gives the first search result when you're looking for a HTML term. w3schools.com
Mozzilla Developer NetworkAn evolving learning platform for web technologies. Providing tutorials, developer tools and the information to easily build projects. developer.mozilla.org
Markup ValidatorEnter the link of a webpage and the online tool will highlight the errors and warnings to fix in the source code. validator.w3.org
GitHubCollaborate with other developers. Fork, send pull requests and manage all your public and private git repositories. github.com
BitbucketWeb-based hosting service for development projects with version control system that makes it easy for you to collaborate with your team. bitbucket.org
DribbleTell others what are you working on! Dribbble is a community of designers sharing screenshots of their work, process, and projects. dribbble.com
Built WithEnter a domain name to find out who is hosting it, what CMS and framework is used and many other insights. builtwith.com
HTML TidyAn online tool for checking and cleaning up HTML source files. Useful for finding and correcting errors in deeply nested HTML. htmltidy.net
Div TableCreate or convert tables to responsive div tags with a few clicks. Use the provided CSS code to render the divs as table cells. divtable.com
BootstrapThe most popular free and open-source HTML, CSS, and JS framework makes front-end development easier and faster. getbootstrap.com
HTMLGProfessional HTML editor. The free version is enough to do magic with your markup. Tag and attribute manager filter etc. htmlg.com
Facebook DevelopersDeveloper tools for login, share widget, analytics, monetization, messenger platform and more from the biggest social media site. developers.facebook.com
Google Mobile-Friendly TestCheck if Google considers your web page mobile-friendly and adjust the deficiencies if there is any. google.com/mobile-friendly
Webpage Speed TestAnalize the loading speed of a website from many available servers. The website creates a detailed analysis with screenshot and waterfall view. webpagetest.org
PageSpeed InsightsThis tool by Google analyzes the submitted link from mobile and desktop to suggest you what to consider optimizing. developers.google.com
Google FontsAn interactive directory of over 800 free hosted web fonts. It allows to optimize loading speed by including only what you need. fonts.google.com
Font AwesomeThe most popular icon set based on CSS and LESS. The vector icons can be customized as text – size, color, drop shadow fontawesome.io
RGB Color CodesSearch and save color codes. Search by name or mix the RGB, HSV or CMYK values. Use the generated HTML/CSS codes. rgbcolorcode.com
FreePicBrowse the large directory of free photos, vector arts, icons, illustrations, PSD files at FreePic. freepik.com
XML SitemapsGenerate XML sitemaps and URL list of a website. The crawl limit is 500 pages. xml-sitemaps.com
Broken Link CheckerCrawl a domain for dead links. Locates both internal and external links pointing to 404 error pages. brokenlinkcheck.com
CodepenRegister to create, save and share HTML-CSS-JS code snippets and run them online. codepen.io
JSFiddleSimilar to Codepen but this one doesn't require registration. Test HTML-CSS-JS code online and save your small project in a shareable URL. jsfiddle.net
WordPress.OrgMore than 10 million websites use this free and open-source content management system based on PHP-MySql. wordpress.org
Blog StarterA free guide that shows beginners how to start a blog using WordPress.org theblogstarter.com
Website SetupA friendly guide about how to make a website, discussing the hosting, the CMS, domain name and promotion. websitesetup.org
Expired DomainsHunt for expired domain names or get inspiration for your next project. It's worth registering for an account on this free website. expireddomains.net
Bad HTMLThe ugliest website on the internet, collecting bad UI/UX practices. A deterrent example about how not to build a website. badhtml.com