{"id":16365,"date":"2021-07-26T23:01:58","date_gmt":"2021-07-26T15:01:58","guid":{"rendered":"https:\/\/www.hongkiat.com\/blog\/?p=16365"},"modified":"2023-04-06T21:54:31","modified_gmt":"2023-04-06T13:54:31","slug":"tools-to-coding-online","status":"publish","type":"post","link":"https:\/\/www.hongkiat.com\/blog\/tools-to-coding-online\/","title":{"rendered":"10 Websites to Test Your Codes Online"},"content":{"rendered":"<p>Modern trends and webapps have dramatically changed the way web developers can build. Obviously you need some <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/cloud-ide-developers\/\" rel=\"noopener\">type of IDE <\/a>to code new files and save them for deployment. But what about just testing your code snippets? There are more tools available now than ever before!<\/p>\n<p>In this article I want to outline <strong>10 interesting web apps for testing your code online<\/strong>. All of these apps require an Internet connection, and some of the more advanced editors offer pro plans to upgrade your account features. But most of these tools will surely come in handy when you\u2019re scrambling to debug a block of JavaScript or PHP.<\/p>\n<div class=\"ref-block ref-block--post\" id=\"ref-post-1\">\n\t\t\t\t\t<a href=\"https:\/\/www.hongkiat.com\/blog\/free-code-editors-reviewed\/\" class=\"ref-block__link\" title=\"Read More: 10 Best Free Source Code Editors\" rel=\"bookmark\"><span class=\"screen-reader-text\">10 Best Free Source Code Editors<\/span><\/a>\n<div class=\"ref-block__thumbnail img-thumb img-thumb--jumbo\" data-img='{ \"src\" : \"https:\/\/assets.hongkiat.com\/uploads\/thumbs\/250x160\/free-code-editors-reviewed.jpg\" }'>\n\t\t\t\t\t\t\t<noscript>\n<style>.no-js #ref-block-post-9582 .ref-block__thumbnail { background-image: url(\"https:\/\/assets.hongkiat.com\/uploads\/thumbs\/250x160\/free-code-editors-reviewed.jpg\"); }<\/style>\n<\/noscript>\n\t\t\t\t\t\t<\/div>\n<div class=\"ref-block__summary\">\n<h4 class=\"ref-title\">10 Best Free Source Code Editors<\/h4>\n<p class=\"ref-description\">\n\t\t\t\t\t\tWith professional code editor like Dreamweaver, Coda, Textmate and others, its no surprise that more and more people...\t\t\t\t\t\t<span>Read more<\/span><\/p>\n<\/div>\n<\/div>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jsbin.com\/?html,output\">JSBin<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/jsbin.jpg\" alt=\"jsBin website code screenshot\" width=\"750\" height=\"480\"><\/figure>\n<p>In a similar fashion as above, <strong>jsbin<\/strong> is a simple JavaScript debugging console. Their pitch involves a collaborative effort where you can share a private link with other developers and write together in real time.<\/p>\n<p>Their interface may be a bit confusing to newcomers. The developers have setup some online tutorials which you can read through if interested. Basically you can select between any number of JS libraries \u2013 jQuery, JQuery UI, jQM, Prototype, MooTools, there are dozens to choose from.<\/p>\n<p>As you\u2019re coding different elements the drafts will autosave. You have the ability to download your final product or keep the source code saved online. Their system is much more advanced for exporting and keeping your code as a bare template.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jsfiddle.net\/\">jsFiddle<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/jsfiddle.jpg\" alt=\"jsFiddle coding HTML5 and JavaScript\" width=\"750\" height=\"480\"><\/figure>\n<p>Anybody who has browsed through Stack Overflow must know about <strong>jsFiddle<\/strong>. Their interface is a whole lot difference compared to JSBin, along with support for more complex functions.<\/p>\n<p>Right away you can <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jsfiddle.net\/user\/signup\/\">signup for a free account<\/a> and start saving your code samples online. jsFiddle offers a short URL which you can share around the Web via Twitter, Facebook, even Stack. But notice you do not need an account to start coding. It\u2019s just a handy feature to keep everything organized.<\/p>\n<p>jsFiddle also supports the inclusion of libraries such as Prototype and jQuery. You can include additional external resources to JS\/CSS files into each testing document.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/codepen.io\/\">CodePen<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/codepen.jpg\" alt=\"CodePen website homepage\" width=\"750\" height=\"480\"><\/figure>\n<p><strong>CodePen<\/strong> is more like a social media for Web developer than just a code playground. Not only that we can see people share codes in HTML, CSS, and JavaScript, which is called a Pen, but we can also give a \u201cLike\u201d to the Pen, add comment, curate a collection of Pen, create a post, and follow the challenge to level up our Web development skill.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/codesandbox.io\/\">CodeSandbox<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/codesandbox.jpg\" alt=\"Codesandbox playground interface with dark theme\" width=\"750\" height=\"480\"><\/figure>\n<p><strong>Codesandbox<\/strong> is a fully-featured JavaScript playground. Aside of runnin a Vanilla JavaScript code or a framework like React.js, Vue.js and <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/svelte.dev\/\">Svelte<\/a>, you can also run a working Node.js application. It means that you can define the Node.js depenencies within the <code>package.json<\/code> file. Codesandbox will automatically download depencies from NPM. It also provides access to te a web-based Terminal so you can run <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/hackernoon.com\/codesandbox-containers-5864a8f26715\">any NPM scripts right from the browser<\/a>.<\/p>\n<p>See the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/codesandbox.io\/explore\">Explore<\/a> page to find cool things built in CodeSandbox.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/webmaker.app\/\">WebMaker<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/web-maker.jpg\" alt=\"Web Maker app interface\" width=\"750\" height=\"442\"><\/figure>\n<p><strong>WebMaker<\/strong> is a code playground for HTML, CSS, JavaScript as well as Pre-processor like Sass, LESS, and JSX. WebMaker will automatically compile these pre-processors syntax for the browser to render the code properly. You can use in the browser or install <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/chrome.google.com\/webstore\/detail\/web-maker\/lkfkkhfhhdkiemehlpkgjeojomhpccnh?hl=en\">the extension in Chrome<\/a> so you can still play with code while offline. When you\u2019re done experimenting with your code, allows you to save your work locally, download the files, or share it in CodePen.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/www.cssdesk.com\/\">CSSDesk<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/cssdeck.jpg\" alt=\"CSS3 coding on CSSDesk web application\" width=\"750\" height=\"480\"><\/figure>\n<p>Moving from the world of scripting into stylesheet language, we have <strong>CSSDesk<\/strong>. You\u2019ve got a similar setup like all the rest, with your source code on the left and final webpage render on the right. This webapp is great for building small webpage templates and testing the longer CSS3 properties with gradients and box shadows.<\/p>\n<p>This app also allows you to download source code as files to your computer. It can be a solid replacement in situations where you\u2019re working on a laptop without any IDE software. Or additionally, you can generate a short URL link to share online. Then other developers may come in and edit what you\u2019ve already created \u2013 definitely an interesting solution!<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/ideone.com\/\">IDEOne<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/ideone.jpg\" alt=\"IDEOne Website online editor code highlighting and debugging\" width=\"750\" height=\"480\"><\/figure>\n<p><strong>IDE One<\/strong> is another tool based around deep programming and software development. Their online editor supports syntax highlighting for some very prominent languages. These include Objective-C, Java, C#, VB.NET, SQL and dozens more.<\/p>\n<p>What\u2019s so great about their app is how you can quickly debug many different programming languages from the same page. You can also store this source code via a unique URL to share around the Web. However I do feel that their layout is very cluttered with ads and other content, it makes using their website difficult. It would be really cool to see the option of including alternate code libraries, such as Cocoa Touch for iPhone app development.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.jslint.com\/\">JSLint<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/jshint.jpg\" alt=\"JSLint JavaScript code debugging console\" width=\"750\" height=\"480\"><\/figure>\n<p>The self proclaimed JavaScript Code Quality Tool has to be <strong>JSLint<\/strong>. Their website is a bit strange, yet the code editor works exactly as you would expect.<\/p>\n<p>You might find the options to be very confusing if you haven\u2019t used their framework before. It\u2019s possible to work with open source code such as <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/nodejs.org\/en\/\">Node.js<\/a> if you have the skillset. But much of the source code doesn\u2019t even support syntax highlighting, a big letdown when you have so many other options to choose from. I would check out JSLint if you have the time, but it may not become your go-to online JavaScript debugger.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/sqlfiddle.com\/\">SQL Fiddle<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/sql-fiddle.jpg\" alt=\"SQL Fiddle coding MySQL and MSSQL online IDE\" width=\"750\" height=\"480\"><\/figure>\n<p>We saw earlier the power of a web application like jsFiddle. Now we can see <strong>SQL Fiddle<\/strong> which works in the same way, except for SQL database syntax. I have yet to find another alternative for testing database code and this is by far my favorite choice.<\/p>\n<p>All of the output data from your SQL code will appear in a table beneath the editors. You can write some code to implement new data on the right and generate a schema on the left. This database schema is SQL code you can save to export your current database and re-install everything on a new server.<\/p>\n<p>If you aren\u2019t familiar with databases or SQL language then this app won\u2019t be much assistance. But even for developers who are new yet interested in learning SQL, this is brilliant! Check out one of their <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/sqlfiddle.com\/#!3\/1fa93\/1\">basic code examples<\/a> so you can get an idea of how the app works.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/eslint.org\/demo\">ESLint Demo<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/eslint-demo.jpg\" alt=\"ESLint Demo\" width=\"750\" height=\"480\"><\/figure>\n<p>ESLint is allows you to set writing rules on your code. It\u2019s a great tool if you work on a shared project within a team to ensure that everyone follows the same styles and rules when writing the codes. It provides a very large number of options on how you\u2019d rule your codes styles that often it\u2019s quite intimidating especially if you\u2019ve just got started with ESLint.<\/p>\n<p>This online demo site from ESLint can you help you try on how each rule works against your code before even installing the NPM packages. It provides the full list of rule you can toggle on and off. When it\u2019s all set you can download the config file to add it in your project.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/phpstan.org\/\">PHPStan<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/phpstan.jpg\" alt=\"PHPStan\" width=\"750\" height=\"480\"><\/figure>\n<p>PHPStan is code static analysis tool for PHP. It checks for code errors and potential bugs without actually running the code. It will tell you whether you pass, for example, a string value to a function that actually accepts an integer, or access a property that does not exist on a class.<\/p>\n<p>Try the online editor on this PHPStan website to see how it works. You\u2019ll be surprised that there are so many of existing PHP codes that can be further optimised and fix from potential bugs. Having static analysis can also train you to become a better developer as you\u2019ll be used to to write syntactically correct code.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/onecompiler.com\/\">OneCompiler<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/onecompiler-php.jpg\" alt=\"OneCompiler\" width=\"750\" height=\"480\"><\/figure>\n<p>An all in one compiler for many programming languages. It supports 40+ languages which includes Go, PHP, Java, JavaScript, and even C and C++. You can write these languages within these tools and it will compile and execute the code immediately. This tool is a perfect tool to test your code quickly for a demo, or just for running a quick test.<\/p>\n<p>Aside of the code runner, this tool also provides code challenges to sharpen your programming and problem solving skills. You can start the challenge from the beginners to the more advanced level.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jsitor.com\/\">Jsitor<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/jsitor.jpg\" alt=\"Jsitor\" width=\"750\" height=\"468\"><\/figure>\n<p>An online code editor where you can run JavaScript, HTML, and CSS. You include some popular libries as well like jQuery, React.js, Vue.js, Font Awesome, and many more. It\u2019s a great tool for testing your idea without having to setup a working environment in your computer. You can also use it for running quick demo.<\/p>\n<p>One thing that makes it unique from other similar tool is that it provides a native application on iOS and Android. This allows you to pour your idea on conveniently with your tablet and phone.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/glitch.com\/\">Glitch<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/glitch.jpg\" alt=\"Glitch\" width=\"750\" height=\"468\"><\/figure>\n<p>A tool where you can build static website with some of the modern libraries and frameworks. It includes React.js, Node.js, and Eleventy.js. But you can also write a plain simple HTML, CSS, and JavaScript as well.<\/p>\n<p>Aside of the online editor where you write your codes, Glitch also provides serveral advanced tools that makes it a great working online environment for creating static website. It has an online Terminal where you can type commands, view logs, and a browser debugger.<\/p>\n<p>Once you have the website ready, you can download the files or share the project unique URL.<\/p>\n<h2><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/stackblitz.com\/\">Stackblitz<\/a><\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/stackblitz.jpg\" alt=\"Stackblitz\" width=\"750\" height=\"468\"><\/figure>\n<p>Stackblitz is an online development environment where you can build website with modern stacks. It supports backend framework Next.js and Node.js, along with some popular front-end libraries such as React.js, Vue.js, and Angular.<\/p>\n<p>You can select one of these frameworks as a starting point for your project or simply drag-and-drop a folder on it. It\u2019s pre-configured with tools that you typically need to configure on your own when working locally on your computer such as the auto-refresh, intalling dependencies, and <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/prettier.io\/\">Prettier<\/a>.<\/p>\n<p>On top of those, you can also connect your website <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/firebase.google.com\/\">Firebase<\/a>, in case you need to connect to a real-time database.<\/p>\n<h2>Codepad<\/h2>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/tools-to-coding-online\/codepad.jpg\" alt=\"Codepad online IDE in browser\" width=\"750\" height=\"480\"><\/figure>\n<p>(Codepad has been discontinued.)<\/p>\n<p>Originally created by Steven Hazel, <strong>Codepad<\/strong> is a unique web app where you can share code syntax across the Web. Instead of just debugging, Codepad allows you to copy\/paste important bits of code to share online.<\/p>\n<p>The output screen displays any error messages associated with your code. The left-hand menu radio buttons allow you to change the parsing language from C\/C++, Perl, PHP, Python, Ruby, and tons more. I would argue Codepad is really for software engineers who need to collaborate and debug their more confusing programs.<\/p>\n<h2>Final Thoughts<\/h2>\n<p>With more computers connected online, it\u2019s getting easier for developers to work together and collaborate in the browser. We\u2019re seeing more and more technologies shift from local applications, and who knows how far this trend will go?<\/p>\n<p>I hope this collection of code testing tools can get you thinking about the modern development environment. It\u2019s so easy to quickly put together an HTML\/CSS web project and within minutes have a small demo preview. Remember these are only tools to help guide you along the path to constructing your final product. <strong>If you have any suggestions or questions about the article feel free to share your thoughts in the discussion area below.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Discover the top tools for online coding in this comprehensive guide. Boost your skills and productivity with these essential resources.<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3392],"tags":[3064,510,511],"topic":[4520],"class_list":["entry-content","is-maxi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>10 Websites to Test Your Codes Online - Hongkiat<\/title>\n<meta name=\"description\" content=\"Discover the top tools for online coding in this comprehensive guide. 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