Free Online GLSL Editor and Validator

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Shdr Editor is a free online GLSL editor (OpenGL Shading Language code editor) and validator. Its interface has two main sections that let you enter and edit the code and also preview the output. The output preview is in real-time, so you can quickly see the changes and decide if the output is going good or not. You will also be able to see the errors in your code using its validator. It automatically shows the errors in a particular line (where you have placed the mouse cursor) in the bottom sidebar.

You will find all the advanced options as well as basic features that are sufficient for editing. For example, it comes with syntax highlighting, snippets inserting, code downloading and sharing, line counting, and other features.

online GLSL editor and validator

Above you can see the interface of this GLSL editor and validator.

You may also have a look at these free XML editors covered by us.

Use This Free Online GLSL Editor:

Here is the homepage link of this online GLSL editor. You can immediately start working with your code without any sign up and also save it online. All you need to do is enter the code and start editing it. You can also insert snippets, enter the updates, generate sharing link, and download the code using the options available on top.

enter and edit the code and check the errors in lines

You will also be able to check the errors available in your code. Just place the mouse cursor on a line and the bottom sidebar will show the errors.

The right section will show the preview of your output. You can move it in 360 mode using your mouse cursor or can also play it to move automatically.

output preview

If your output is good, press the Download option to get the code, and save it to PC.


Basically, GLSL editors are complex and require a good knowledge to work. But, this free online GLSL editor has a user-friendly interface and anyone can use it without trouble. The best thing is that the output is presented in real-time.

Try Shdr Editor for free.

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Free/Paid: Free

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