Features

These pages will help you learn about the features available in CLion, a cross-platform C/C++ IDE. Visit the Docs & Demos section for more learning resources, and download the product to try it in action.

Intelligent coding assistance

Trust CLion to take care of the routine while you focus on the important things. Knowing your code through and through, it can boost your productivity with smart and relevant code completion, instant navigation and reliable refactorings.

Easy start

It’s surprisingly easy to start your CMake-based project in CLion, and files can be added to the project in one click. If you use a different type of project, the IDE will help you import to CMake.

Start your project

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Smart editor

With an IDE that analyzes the context and understands your project, you can code faster than you think. Try smart completion, formatting and helpful views with code insight.

Smart editor

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Navigation & Search

Find your way through the code with instant navigation to a symbol, class or file. Inspect the calls or types hierarchy and easily search everywhere for nearly everything (including IDE settings).

Navigation & Search

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Code generation & refactorings

Save time on unnecessary typing while CLion generates code for you: from getters/setters to more complicated templates. Use refactorings to improve and clean up your code at the speed of thought.

Code generation & refactorings

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On-the-fly code analysis

Write beautiful and correct code with CLion. Static analysis (including DFA) for all supported languages highlights warnings and errors in the code immediately as you type and suggests quick-fixes.

On-the-fly code analysis

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Editor customization

Select one of the default editor themes or customize them to match your personal preferences. Adopt the keyboard-centric approach and select a keymap you prefer the most, or create your own easily.

Editor customization

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Built-in tools and integrations

CLion is more than just an editor as it offers intelligent CMake support, a powerful debugger to investigate and solve problems with ease, built-in Google Test for unit testing, many popular VCS supported out of the box and more.

Run and Debug

Run and debug your projects in CLion easily. Use the debugger UI with GDB or LLDB as a backend. CLion will show values right in the editor and help you evaluate expressions.

Run and Debug

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CMake support

CMake is a famous cross-platform build system, widely used for C and C++ projects. Benefit from the CLion’s smart CMake support with code generation and automatic reload.

CMake support

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Unit testing

CLion supports the Google Test framework and provides a built-in test runner together with a powerful UI to investigate test results. It can even generate code for you as you write tests.

Unit testing

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Code documentation

With CLion keep your code documented with ease. Preview the Doxygen-styled docs in the Quick Documentation pop-up, use completion for commands and function parameters, and generate stubs for Doxygen comments.

Doxygen completion

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VCS integration and local history

CLion provides a unified interface for most popular VCS including Subversion, Git, GitHub, Mercurial, CVS, Perforce, and TFS. Meanwhile, local history will save you from unexpected accidents.

VCS integration and local history

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Terminal, Vim mode and others

Access the command line through the built-in terminal, switch on Vim-emulation mode together with the Vim key bindings, or expand the IDE’s functionality with other various plugins.

Terminal, Vim mode and others

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Many languages—one IDE

While CLion is designed for developing in C and C++, it also provides essential support for CMake language, many web technologies (like JavaScript, XML, HTML and others), YAML, and others, available via bundled or repository plugins.

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