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JSON File is Not Readable? Here’s How to Fix It

  author
Published By Mohit Jha
Nimisha Ramesh
Approved By Nimisha Ramesh
Published On June 29th, 2026
Reading Time 6 Minutes Reading

If your .json file is unreadable, it usually happens when it is stored in machine-friendly format, opened in an incompatible application, contains structural errors, etc. To make it readable, you can use different techniques, including code editors, online solutions, and offline desktop – based methods. In this guide, we will walk you through all 3 approaches to effectively fix the “JSON file is not readable” issue. By the end, you will be able to access JSON data seamlessly. Now, let’s begin with discussions.

Why JSON File is Not Readable? Common Reasons

Before jumping to any solution, it is important to understand the root cause behind the error. In most situations, the issue concerns how JSON data is structured, loaded, and stored. Here are some common reasons mentioned below:

  • Sometimes, when JSON file is minified, it becomes unreadable.
  • Open in an application that does not support JSON format.
  • The machine-readable file contains incorrect character encoding.
  • Structure of JSON data contains errors and improper formatting.
  • It becomes damaged due to an uncertain download and transfer.
  • When size of JSON file exceeds and contains deeply nested structures.
Pro Tip: if your JSON file is oversized and becomes slow to open, read, and analyze. Use a trusted FreeViewer JSON File Splitter solution, which allows users to break large JSON file into multiple smaller parts without changing original data structure.

How to Fix “JSON File is Not Readable” Error – 2 Best Methods

If your JSON data appears unreadable, then don’t worry. In most cases, the issue can be easily resolved using right approach. The best technique depends on size of file, technical knowledge, or converting JSON into PDF, a user-friendly file format.

Here are the reliable ways to open JSON file in readable format in 3 simple techniques:

  • Use Text Editors (Notepad ++ or Sublime Text)
  • Automated Professional Tool (Recommended)

Now, let’s learn these methods in detail.

#1 Open JSON in Code Editors to Make it Readable

Using text editors such as Notepad ++ and Sublime Text are go-to options for developers and technical users to open JSON file manually and make it readable. This is one of the simplest ways to read JSON files because it allows users to format JSON content into a well-formatted layout. Now, follow the steps:

  1. Launch any text editor on your system.
  2. Tap on File option and Open to upload .json file.
  3. Now, install a plugin (JSON Viewer) and select Format JSON.
  4. Lastly, save the JSON readable file.

Important Note: This solution works with small to medium-sized files. IT professionals and developers can use this technique to fix “JSON file is not readable” issue in just a few clicks.

Limitations:

  • Code editors can only display data and cannot convert it into readable formats.
  • Always requires setting up the plugin before initiating process.
  • The user cannot deal with nested structure using this method.
  • Require technical expertise when working with Text editors.
  • It is not suitable for beginners and non-technical users.

#2 Fix “JSON File is Not Readable” Issue – Try Expert Solution

If you are still facing the above-mentioned problem after trying the manual text editor method, an expert solution is a more reliable option. One of the easiest ways to make JSON file readable is by converting it into multiple readable formats like PDF, CSV, DOC, TXT, and more. Using a dedicated FreeViewer JSON Converter Tool is a best choice, which allows users to open JSON data and export it into easy-to-read formats effortlessly.

Key Features of Using Automated Approach:

  • Support multiple readable file formats, including PDF, CSV, TXT, XLS, XLSX, etc.
  • Handle large, complex, and nested JSON structures and make them readable.
  • Maintains original data formatting during entire conversion process.
  • Supports bulk conversion to process various JSON files at once.
  • An offline tool that works on a local system to protect user data.
  • Provide technical support to guide users when working with software.

Step-By-Step Guide to Make JSON File Readable

  1. Download the aforementioned software on operating system.
    download and run tool
  2. Use any option: Add Files or Folder to browse JSON data.
    add file or folder
  3. Pick a readable file format (PDF, CSV, XLSX, DOC).
    choose readable format
  4. Choose location path and tap on Change icon.
    click on change icon
  5. Click on Export button to finish the task.
    tap on export button
  6. Lastly, hit on View Report to open readable file.
    hit on view report

Why Online Tools are Not the Best Choice?

Free online tools are useful for viewing small JSON files, but these tools are not appropriate in every situation. If you are dealing with large, sensitive, and complex JSON data, using free JSON tools can lead to many limitations. Here are some major drawbacks that why user should not opt for this method to fix “JSON file is not readable” error:

  • The file needs to be uploaded on third-party server that creates risk of data loss.
  • Many free tools have file size restrictions when browsing large files.
  • Deeply nested structures may slow down processing and fail to process.
  • Online tools do not provide advanced conversion or export options.
  • An unstable internet connection can pause file uploads.

For users who frequently work with confidential JSON data, an offline utility is a more dependable choice to fix errors. Free online websites bring a risk of data loss, tampering, and fear of backups on third-party servers. There is a limitation on number of usages and file size. Moreover, it is recommended to use desktop-based solution to ensure security.

Concluding Words!

In the above guide, we have shared best ways to resolve “JSON file is not readable” issue securely. Text Editor and Online Tools are useful for making small to medium-sized files readable. However, these methods come with major limitations that can be error-prone.

Therefore, to overcome these disadvantages, it is suggested to use an advanced utility that makes JSON data more readable by converting it into easy-to–read formats in just a few seconds. Users can try free demo of the tool to evaluate its performance before making a final decision.

 

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