Top 5 Free Online IDE, Compilers in 2020

In the era of cloud computing isn’t is so boring to use the old school offline compilers and Ides. No doubt the offline’s are brilliant but we have to install different compilers for each language manually on every system physically which requires a lot of space and also It is not easy to carry the code to multiple systems. But using an online compiler or IDE your code can be accessed everywhere, no setups and configurations are necessary. Without any hardware limitation, the cloud-based compilers help a lot to improve the productivity of a programmer.

Online compilers are very easy to fire up and use with a web browser and an active internet connection and that’s all. Compile, save your code, and access it from anywhere without any overhead of management and resource limitation. These web-based applications can be used remotely through any network connection, or devices (platform-independent). The errors/Output of the compiled program can be stored more conveniently. Though there are lots of online compilers available in the market so it will be challenging to choose the best one, but don’t worry here is a list of top 5 free online compilers. You should try these at once.

1. GeeksforGeeks IDE

GeeksforGeeks is the most popular computer science portal with numerous awesome articles, and one of the best website for learning and practicing code. It also has a smart IDE where you can run your code at lightning speed with your custom inputs. It has some great features. Write or paste your code of any popular programming language in the text area and easily run your code online. You can also download your and generate URL of your code for easy sharing.

• Very lightweight, easy to fire up, takes the least time to load.
• Change the theme to light or dark depending upon your own comfort.
• Easily switch to different programming languages.
• Run your code in any popular language including C++, Java, Python, Perl, Scala, etc.
• Shortcuts to save your time.
• Download code to your local systems.
• Works well even on mobile phones.
• Completely anonymous to use no need to make an account.

2. Ideone

It is a free online compiler and debugger, specifically designed for programmers and developers, where you can compile and run your code with your custom input in just a matter of seconds.  You can compile any programming language with Ideone. It also has some awesome features like you can make your code secret to share with specific coders and is the best platform to share your code with your project members.

• Very easy to load and a fast platform to quick checking of your code.
• Compile in more than 60 programming languages.
• Save your codes in an organized manner and share it via the provided link.
• A fully-featured debugging tool that makes debugging easy and fun.
• Provides the functionality to make code public, private, or secret.
• Embed source code with the auto-generated javascript code.
• You can enter some notes with your code for an easy understanding of the viewers.
• useful shortcuts for easy and fast operation.

3. Repl

Repl.it is an online IDE that allows users to write code and build apps and websites using a browser and allows users to share projects in various ways. They also host many coding contests with exciting prizes. It has a premium tier called the Hacker plan which allows for more storage space, private code, and unlimited collaborators on a project but you can also access these free of cost for 3 months with a Github Education plan.

• Run over 60 different programming languages including Python, Ruby, HTML, and Java.
• Provides real-time collaboration with your teammates, and colleagues very easily.
• Supports GitHub integration, Import, run, and collaborate on millions of GitHub Repos with 0 manual setups.
• Host and deploy your code instantly with the world.
• Massive community support with over 500,000 weekly active developers and over 3 million users.
• Fast and creative UI makes your coding experience greater.

4. OnlineGDB

It is an online compiler and debugger tool for the most popular programming languages like C, C++, Python, Java, PHP, Ruby, Perl, etc. It is a very powerful compiler which is superfast hence loads and gives result instantly. You can also execute web development language including HTML, CSS, JavaScript, and SQL using this online code editor. 

• It is the world’s first online IDE which gives debugging facility with embedded gdb debugger.
• Handy web app for coders who loves coding online.
• Reliable platform with no unexpected crashes.
• Super debugging power, find tricky bugs in your with onlineGDB.
• You can Code, Compile, Run, and Debug online from anywhere, with any device.

5. JDOODLE

It is a free online compiler and code editor to save, run and share code anytime and anywhere with no setups and hardware resources but just an active internet connection and a web browser. Select any one of your preferred programming languages, write code and evaluate the result of your code.

• Compiler for more than 70 programming languages.
• You can Embed your Blog or Website very easily.
• Online interactive terminal for MySQL and MongoDB.
• Power debugging tool to help you fix your code.
• Best for collaboration and peer programming.
• Execution history to find your previous codes easily.
• You can save your code locally to your disks.
• Changeable font size and Dark theme to save your eyes.

No offense but the offline compilers are very boring to use and if you are a beginner then setting up an offline programming environment in your computer system can be a headache, better you can use these awesome free online IDEs and start coding. Nowadays there are many commercial options available but according to your need, these free compilers are just more than enough for practicing code. 

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