JSON Formatter & Validator Online

Note: This tool does not send any data to the server. All processing is done at the client side only.

Utilize Free Real-Time JSON Beautifier and Validator Online

JSONbeautify is an all-inclusive platform for formatting, parsing, viewing, validating, editing, and beautifying JSON data. Our powerful, online JSON formatter is entirely free. It offers an intuitive interface and a plethora of functionalities to streamline your JSON data management.

Comprehensive Features of The JSON Formatter Online Tool

External File Integration: You can copy and paste the data on the interface. Besides, effortlessly import data from external files residing within your file system.

Real-Time Validation: Instantly validate JSON data to ensure accuracy and correctness. The tool meticulously checks your JSON input, providing clear error messages for swift debugging and resolution.

Live Formatting Experience: You can edit the data using the editor.

Customizable Indentation: Choose between 2, 4, or 6 spaces for your JSON output.

Error Display and Identification: Quickly locate errors within your JSON data. The tool efficiently pinpoints and highlights errors.

Effortless Data Management: Seamlessly manage your data by copying both the source and output data, as well as downloading them as files for further use and reference.

JSON Minification: Condense and optimize your JSON data using our tool as a JSON minifier. It allows you efficient data transmission and storage.

Base64 Encoding Support: Encode JSON data into Base64 format, expanding its versatility and compatibility across different platforms and applications.

Autosave Your Data While Using Our Formatter

Enabling autosave retains the source data within your browser. Whether reloading the tab, reopening it after closure, or restarting the browser, your data remains intact. Disabling this feature removes the source data from the browser’s memory, ceasing further automatic saves.

Our platform offers a convenient data switch feature between editors. Particularly beneficial when manually modifying JSON and requiring formatting, this functionality allows seamless transitioning between data sets, enhancing user flexibility and efficiency.

What is JSON?

JSON, or JavaScript Object Notation, serves as a lightweight data-interchange format, widely used in web development and API integration. Its simplicity and ease of parsing make it a favored choice for data representation and transmission. When you collect the data, it may not be organized properly. It becomes hard to understand without proper spacing and line breaks. Comprehending the syntax and structure of JSON is crucial for effectively managing and manipulating data in this format The formatter will be a great option in that case to format the data and understand.

Example JSON

  "glossary": {
    "title": "example glossary",
    "GlossDiv": {
      "title": "S",
      "GlossList": {
        "GlossEntry": {
          "ID": "SGML",
          "SortAs": "SGML",
          "GlossTerm": "Standard Generalized Markup Language",
          "Acronym": "SGML",
          "Abbrev": "ISO 8879:1986",
          "GlossDef": {
            "para": "A meta-markup language, used to create markup languages such as DocBook.",
            "GlossSeeAlso": [
          "GlossSee": "markup"

How to Use the JSON Formatter Online Tool?

Our online tool simplifies the validation and improvement of JSON data.

Step 1: Simply copy and paste or upload your JSON data into the left editor.

Step 2: The tool formats the Json data as per the chosen settings and preferences, allowing users to view, edit, or download the formatted content.

Step 3: Our tool automatically validates the data, displaying the formatted output in the right editor for seamless interaction and manipulation.

Step 4: Copy the text or download it.

Effortlessly prettify JSON data, enhancing readability and comprehension by organizing the structure with proper indentation. Edit JSON data efficiently using our editor equipped with auto-indentation, error highlighting, and expand/collapse functionalities for comprehensive data manipulation.

JSONbeautify‘s JSON Formatter offers an all-encompassing solution for handling, validating, and beautifying JSON data in real time, simplifying your JSON data management tasks.