Web-based Tools for testing codes
For Developers Pro Tips

Eleven Great Websites to Test your Code Online

By January 17, 2022 4 min read

All developers and programmers have a local server, or an Integrated Development Environment (IDE) installed on their computers to test and execute programming codes. But what if you get a coding idea, and your computer isn’t nearby – What do you do then? Well, you find a web-based tool that can execute any code without downloading anything. Here is a list of 11 websites that offer the best tools for testing codes. 

Note: All of these tools require an internet connection. 

Let’s dive in. 

Tools for testing

Tools for testing codes

  1. Best tools for testing codes 1 – JS Bin

    JS Bin is a simple JavaScript debugging tool. Its key selling point is the ability to collaborate with other developers.
    The tool allows you to share a private link with developers and write and test code alongside them in real-time. Its user interface may seem a little strange at first, but it gets easier once you start working with the tool.
  2. jsFiddle

    Loved by many developers worldwide, jsFiddle is a popular tool for testing codes for programmers and by many developers around the world. Compared to other web tools, it has a very dynamic interface and even supports complicated functions.
    With jsFiddle, you can sign up for a free account and begin creating code right immediately, with no hassle. The website also provides a short URL that you can share with your friends on Twitter, Facebook, or other social media platforms.
  3. Best tools for testing codes 3 – CSSDesk

    CSSDesk has a similar layout to the other apps on our list, with source code on the left and the final render on the right. This software is ideal for building small web page models and testing lengthy CSS3 codes.
    CSSDesk program also allows you to save the source code to your computer or generate a short, shareable link that allows other developers to contribute to your code.
  4. WriteCodeOnline

    WriteCodeOnline has a beautiful UI that is lighter than other options. With WriteCodeOnline, users can test codes written in JavaScript, PHP, and more. The tool displays the output results just beneath the text box.
    As a result, when users hit execute code, the tool parses everything and shows the results. The website is not ideal for large files, but it’s an excellent way to put your fresh ideas to the test.
  5. Best tools for testing codes 5 – Tinkerbin

    Tinkerbin is a web application that allows you to experiment with HTML, JavaScript, and CSS without creating files or submitting them to a server. The application also supports CoffeeScript, Sass (with Compass), Less, HAML, and other languages. Its dashboard is pretty advanced and supports many of the same web design ideas that you’d expect to see in the future.
  6. IDEOne

    IDEone is an online compiler and debugger that allows users to compile and run code in over 40 programming languages, including Objective-C, Java, C#, VB.NET, SQL, and many others.
    You can also share this source code by storing it in a unique URL. However, the tool’s layout is packed with adverts and other material, making it impossible to use their website freely. Aside from that, it’s a fun website to play on.
  7. Best tools for testing codes 7 – Dabblet

    Dabblet is an interactive plasnippets for quickly testing CSS and HTML code. Dabblet uses a prefix-free template so that users don’t have to add any prefixes in their CSS code. With Dabblet, users can save their work in GitHub gists, embed it in other websites, and share it with other users/customers.
  8. CodeSandBox

    CodeSandBox is a web-based code editor and prototyping tool that makes creating and sharing web apps easy. It’s a javascript editor with a lot of bells and whistles.
    CodeSandBox supports all React.js, Vue.js, Svelte, and Node.js. NPM dependencies will be downloaded automatically by CodeSandbox. Another use for CodeSandBox is web-based terminal access.
    Related post: Why and When to Use Node JS: A Brief Guide
  9. Best tools for testing codes 9 – ESLint Demo

    You can use ESLint to create writing rules for your code. It’s an excellent option if you’re working on a team project and want to make sure that everyone writes code in the same style and follows the same guidelines.
    ESLint offers so many options for governing your code styles that picking one may be intimidating, especially if you’re just getting started with the tool.
  10. PHPStan

    PHPStan is a PHP code static analysis tool that checks for faults and potential flaws without running the code. For example, the tool will notify you if you send a string value to a method that accepts an integer or if you try to access a property on a class that doesn’t exist.
    Use the online editor on the PHPStan website to see how it works. You’ll be surprised to see how many existing PHP codes may be improved and fixed to eliminate potential issues.
  11. Best tools for testing codes 11 – OneCompiler

    OneCompiler is a free online compiler tool. It helps you write, run and share code online in more than 60 programming languages, including popular programming languages, such as Java, Python, MySQL, C, C++, NodeJS, Jshell & HTML. This tool is ideal for fast testing your code for a demo or running a short test.

Final thoughts

These tools for testing codes make it simple to work, run code online, and collaborate with other developers. But remember, though these tools can help you along the path to building your final product, they are not your actual, heavy-duty programming and testing tools. And thus, one should use these when they want to test their code’s capability on the go. 

Related post: The Basics of Web Application Penetration Testing

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Summary
11 Good and Free Online Tools for Testing Codes
Article Name
11 Good and Free Online Tools for Testing Codes
Description
The market has several web-based tools for testing to ensure your code generates the desired output. But which tool is the best for you? Keep reading to find out!
Author
Ankit Sahu
Ankit is a writer and researcher who has extensively worked on blogs, emails, websites, applications, video scripts, and social media content for Govt. of India (Ministry of MSME and CBSE), global brands (Reebok and Abbott Healthcare), and homegrown brands (Republic TV, TimesPro, Chitale Bandhu and Kolte Patil Developers).
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