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In Development Last updated: March 10, 2022
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Many online tools convert from one language to another without knowing anything about either one. This article will discuss some of the best tools available for converting from YAML to JSON and vice versa.

YAML is a human-readable data serialization language used to represent structured data in text format. In many programming languages, YAML is used as the default schema language. It uses indentation instead of curly braces and spaces instead of semicolons.

A subset of YAML known as JSON (JavaScript Object Notation) is commonly used to transmit data structures between programs. However, YAML isn’t supported by every programming language, and it cannot store objects in arrays or coerce strings into numbers, for example.

What is YAML Language?

YAML is a data serialization language commonly employed to write configuration files. It is a matter of opinion, YAML stands for Yet Another Markup Language, or YAML isn’t a markup language. It emphasizes the fact that YAML is a data-oriented language and not documents.

YAML is a well-known programming language since it is simple to comprehend and readable by the human eye. It is also a good choice alongside other programming languages.

Because YAML is a superset of JSON, it can parse JSON using a YAML parser. The extensions that are part of YAML include .yaml as well as .yml. YAML specifications allow users to define their data types and specific data typing. The most popular data types used in YAML are numbers, strings, null values. Boolean, Dates and timestamps, Sequences, and Nested values.

What is JSON Format?

JSON (JavaScript Object Notation) is a language-independent, human-readable language used for its simplicity and is mainly used in web-based applications.

JSON includes a feature that allows you that encodes six different types of data, including objects, array, strings, null, numbers, and Boolean. JSON is far easier for computers to comprehend and is remarkably flexible compared to YAML, which permits encoding of Python data, but it has vulnerabilities when decoding. That is why YAML is challenging to interpret.

The most used format for data transmission between programs is JSON. This article will discuss some of the best tools available for converting from YAML to JSON and vice versa.

Online YAML Tools

Convert quickly Another Markup Language to JavaScript with Online YAML Tools. Enter YAML into the input field to the left side, and you’ll see JSON displayed within the output field to the right. Enter YAML, get JSON. There aren’t downloads or ads, and everything works within your browser.


A YAML converter converts YAML configurations and documents into JSON configurations and files. It does not have any additional configuration options. Only one thing that you can alter is JSON’s output. You have three choices: indent JSON using spaces or indent JSON using tabs and reduce JSON output.

JSON formatter

JSON formatter is another free website that allows you to transform JSON into YAML online for no cost. Like all the other sites in this post, you can upload a YAML file or copy the YAML code onto it; after that, it converts the input YAML into JSON and displays the output.

After receiving an output formatted in JSON, you can choose to save it to your clipboard. You can also save the JSON output into a text file. But, there aren’t any other tools or additional features available on the website to use. Just send the YAML, and you will receive your JSON output. It’s as easy as that.


Visit it by clicking on the URL and then copying the YAML data into its interface to access this tool. Make sure you insert the YAML data into the pane to your left. When you have pasted the input data from YAML, it will instantly display the JSON output, which you can download to your personal computer. You can also save the JSON code and apply it to any place you like.

Beautify Code

Beautify Code converter transforms the YAML text into an actual JSON object. It is accomplished by taking each part of the YAML file and translating it into a valid JSON property.


JSON to YAML tool is equipped with two panes where you can enter the YAML data into one and obtain the result in JSON in the other. This tool can be used for both conversions: YAML to JSON and JSON into YAML. To perform this YAML conversion to JSON conversion, all you have to do is copy the YAML code into its interface. In just a few seconds, you will get the JSON output.


To use this tool online, visit the homepage using the above URL. After that, copy and paste the YAML code into the upper right-hand pane. After that, it will automatically display what’s in the JSON details in the bottom pane.

You can copy the JSON data and save it in the form of a file on your personal computer. It supports the reverse conversion too. So, regardless of whether you’re looking to change YAML into JSON and JSON to YAML, it will be able to accomplish this quickly.

Code Beautify

Code Beautify is a straightforward YAML into JSON converter site that you can test at no cost. It can take the YAML code directly, or you can upload a YAML file to it. After receiving your YAML inputs, the program instantly will return its JSON output.

Not only that, but if you own a YAML file stored elsewhere, it is possible to enter the URL of that file to retrieve the YAML data and transform it into JSON. Then it is possible to save JSON data as a file on your computer and perform whatever you wish.


To begin using this tool, visit its website using the link above. Then, you can copy the YAML code or upload a YAML file on your computer. You can also specify an URL for your “.yml” file to fetch the YAML information.

After the YAML file specification, press “YAML to JSON” or the “YAML to JSON” button to begin the conversion. The conversion will instantly show the JSON output you can save to your personal computer. It’s as simple as that.


ConvertJSON is among the most popular websites that allow you to change YAML data into JSON in just a blink. It extracts your “.yml” file from you and outputs the data in JSON format. It is possible to directly insert the YAML code into its interface and get JSON output.

In addition to YAML in JSON change, you could also select alternatives. It allows you to specify what line ends you would like to see to be included in your JSON file.


If you want to convert YAML to JSON via this website to access the tool, go to the URL above. Once you have that, you can either upload the YAML file to your computer or copy the YAML code into the pane to the left. Once you’ve done that, you’ll need to select the type of line endings at the lower part on the next pane. Then, begin the conversion.


ConvertSimple is another online tool that lets you easily convert YAML to JSON. You just have to copy your YAML entry into the input box on the left, and it will convert it to JSON. The JSON output is in the box to the left.

If there’s a problem in the YAML file and the converter isn’t in a position to complete the conversion, the error message will show up in the output box, letting you know where the error was discovered inside the YAML. Utilize the control box to select the options that alter the conversion.


The YAML data is protected. ConvertSimple’s converter doesn’t send any of your YAML details to the servers they use for conversion. The process is entirely done in your browser. That’s why ConvertSimple’s converter is the most secure and efficient converter available.


WTools make it easy to convert YAML documents online into the appropriate JSON format. The tool can convert YAML The Ain’t Markup Language (YAML) documents into JSON (JavaScript Obj Notation) documents, and it’s an entirely free conversion. There is no need to download any software to convert.

How does it Work?

Paste your YAML into the text area above. Click on “Convert,” and you will be able to access JSON data in the following text area. After conversion, you can add this JSON into your application or any other reason.


With Browserling, you can upload the YAML file or paste the YAML code into it. After that, it converts the input YAML into JSON and displays the output to you.

Once you’ve received your output as JSON, it is possible to copy it to your clipboard. You can also convert the JSON output into a text file. But, there are no other tools or additional features available on the site that you can utilize. Submit the YAML, and you will receive a JSON output. It’s as easy as that.


To access this tool, access it by clicking on the URL and then copying the YAML data into its interface. Make sure you copy the YAML data into the lower left-hand pane. When you have pasted the input data in the YAML format, it will provide you with the JSON output, which you can download to your personal computer. Additionally, you can take a copy of the JSON code and apply it to any place you like.

Conversion Tools

Conversion Tools is yet another YAML to JSON convertor. You can choose from a variety of plans and use its services even without any registration. It also offers custom convertor development for businesses and professionals to transform files and process data.

Conversion Tools

Here are the steps to use this tool-

  • Choose your options and then click the ‘Run Conversion’ button.
  • Drag and drop the file onto the “Browse” button or Click “Browse” to select the file.
  • Use a single archive or file (zip 7z, rar, zip, the xz) to convert the batch.
  • Choose No. of spaces to be indented.
  • Click the button to start the conversion.
  • Run conversion.

There are restrictions set on how many conversions can be performed and the file size for each conversion. The Conversion Plan determines the limits that you select. For users who aren’t registered, there is a limit of 10 conversions per day, 10 MB per uploaded file—just register and upgrade for free.

Tutorial Works

Tutorial Works is a free tool to convert YAML files to JSON. All the YAML that you input here is not transmitted to the server or stored at any time. Your personal information is protected.

Copy the YAML you would like to convert, then click the Convert button. You will get the desired output in the bottom field.

Tutorial Works


Aconvert is also a great and secure place to convert YAML input to JSON output. Here are the steps to use this tool-

  • Click the “Choose Files” button to choose multiple files from your computer. Or, use the dropdown to select an online file from URLs, Google Drive, or Dropbox. 
  • Choose a target document format. The target format for documents could be PDF or DOC or DOCX and XLS. Other formats include XLS, PPT HTML, PPTX, HTML CSV, TXT RTF, ODT, ODS, ODP, XPS or OXPS. Selecting a format for the target will show which formats from the source can be converted into the destination format.
  • Click the “Convert Now!” button to begin the batch conversion. The converted files are shown under the “Conversion Results” section “Conversion Results” section. Click the icon to display the QR Code for the file or save the files to online storage services. 


JSON is a lightweight, text-based data interchange format becoming increasingly popular. YAML is a markup language used in various programming languages and other software development to describe data. Converting YAML to JSON can help you save time and resources.

You may now look at an introduction to YAML in Python for Beginners and JSON Tools to Parse, Format, and Validate. Want to convert JSON to Excel? Try these tools.

  • Ruby Goyal
    As an expert technical writer, Ruby loves to write in-depth guides on web development and online marketing. She has spent the majority of her career writing blogs, driving marketing campaigns, optimizing ad and email campaigns, and copywriting.
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