9 Best Free Online YAML Editor Websites

Here we have compiled a list of the best online YAML editor websites. With these websites, you will edit and validate your YAML files effortlessly. All you have to do is copy-paste YAML files to these online editors, and these websites will notify you if there is an error. The best part is that they are free to use and offer a modern and intuitive user interface.

YAML stands for Yet Another Markup Language and is most commonly used by applications to store its data (in text format). Besides storing app data, developers can also use YAML files to store configuration settings.

Apart from editing YAML files online, these websites also offer additional features such as formatting YAML files, JSON to YAML converter, converting HTML to CSV, and editing YAML files by specifying a URL.

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Best Online YAML Editor Websites

Let’s now explore these best online YAML editors.

1. Online YAML Tools

Online YAML Tools is one of the best YAML editors that you can use to work with your YAML files. The best part is that it adds color-coding to special YAML characters to make it easier for you to distinguish various parts of your code. The best part is that it also notifies if there are any errors in your YAML file. After editing the YAML code, you can download it as a YAML file.

Try this online YAML editor here.

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2. Code Beautify

Code Beautify is yet another easy-to-use online YAML editor on this list. The best part of this YAML editor is that it has two windows, one for input and another for output. In the input window, you can either directly copy-paste the content of your YAML file or import it by clicking on the folder icon.

As soon as you add an input YAML file, all you have to do is click on the Preview YAML button. After this, Code Beautify will validate the structure of your file and display errors if there are any. You can edit your YAML file in the output window and save it online or download it to your PC.

Try this YAML editor here.

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3. YAML lint

YAML lint is a simple online YAML editor and validator. If you are looking for a clutter-free and straightforward YAML editor, then you should check it out. Visit the link provided below and type in or copy-paste your YAML code directly in the editor window. Once done, click the Go button to validate your code.

Try this online YAML validator here.

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4. YAML Formatter

YAML Formatter is another free tool to edit YAML files online. The best part is that it also offers a formatted feature. With this feature, the tool will format your YAML code with proper color code and indentation.

To import your YAML file, you can use its Loda Data option. After importing your YAML file, you can play with it in its editor window. Once you are done with YAML file editing, use its Format/Beautify option, and the tool will automatically format your YAML file. Apart from that, you can also export the code as a YAML file.

Try this YAML editor here.

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5. TextCompare

TextCompare is another straightforward online YAML editor which offers other features such as converting YAML to JSON, Excel, XML, and CSV. Working with this YAML editor is pretty straightforward. You have to copy-paste the YAML code in the Input window and click on the Show Output button.

After that, TextCompare will check the code for any errors, and if there are no errors, it will display the Output code on the same page. You can download the output code as a YAML file to your PC.

Try this YAML editor here.

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6. Swagger Editor

Swagger Editor is another modern YAML file editor that you can use to work with your YAML files online. The editor supports importing YAML files, or you can also specify the file URL. After importing the YAML file, you can edit it using its editor interface. Once done, you can choose to download your code as a YAML file. The best part is that it also lets you save the YAML code as a JSON file. So, it also works as a YAML to JSON converter.

Try this online YAML editor here.

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7. YAML Checker

YAML Checker is another excellent online editor to create and validate YAML files. Getting started with the YAML checker is pretty straightforward; visit the link provided at the end of this tutorial and start typing in your YAML code.

The best part is that this online YAML editor offers syntax highlighting and error notifications if your YAML code is invalid. Apart from this feature, you can also use it to check JSON syntax, generate dummy text, and decode or encode URLs.

Try this online YAML checker here.

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8. Olayaml

Olayaml works similarly as compared to other YAML editors on this list. However, it offers the option to view YAML code in multi-themed variants. Visit the tool using the link below and upload your YAML file. After that, you will get access to its YAML editor, as shown in the above screenshot.

Use the “tab space” option to indent your code. The tool also validates your code and sees any errors or not. You can also use its “edit” option to begin the code editing automatically. After you have successfully edited and validated the YAML code, you can choose to export it as a YAML file.

Try this YAML editor website here.

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9. AppDevTools

AppDevTools is a platform that offers a plethora of various tools such as text tools, code formatters, validators, and many others. You can also use it as an online YAML editor to work with YAML files on the go. The tool allows users to import YAML files and offer a modern-style code editing interface. Once you have finished writing your YAML code, click on the Validate button, and it will start checking your YAML file for any errors.

Try this YAML editor here.

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Wrapping Up

With this, we sum up our list of the 9 best online YAML editor websites. Use any of these YAML editors and validators to work with YAML files on the go. The best part is that some of these online editors offer other features, such as converting YAML to CSV, Excel, JSON, and other file formats.

My favorite YAML editors from this list are Code Beautify, YAML Formatter, and YAML Checker. Check out these YAML editors before picking your favorite one. If we missed any of your favorite YAML editors, please write to us at [email protected], and we will add it to this list.