JSON Validator - JSONLint tool to validate JSON data

JSON Validator Online

JSON Validator ( JSON Lint ) is an easy-to-use tool to validate JSON data. Copy, Paste, and Validate.

JSON is used by web developers, data scientists, programmers, and students and is the most popular data format for API development. This tool makes life easier for developers to validate and navigate the JSON data. JSON Format Checker logic has been implemented using the JS library.

It checks and highlights the most common errors while creating and parsing JSON data.

Most Common JSON Errors:

Expecting 'EOF' : This happens when there is missing or malformed " { ", " [ ", " , " and etc.
Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '[',. This is the case when ' " ' is missing.
Not closed Array and missing brackets and comma and easily misplaced in json string. Users can find this kind of typical error using the JSON validator within microseconds.

What can you do with JSON Validator?

It helps to validate your JSON data.
It also works as JSON Checker or JSON syntax checker.
This tool allows loading the JSON URL to validate. Use your JSON REST URL to validate. Click on the Load URL button, Enter URL and Submit.
Users can also correct or repair JSON Files by uploading the file. User can fix their JSON file by resolving errors one by one. It uses the best JSON-checking method.
It will help to find JSON invalid characters.
It helps to save your validated JSON and Share it on social sites or emails.
JSON Validator works well on Windows, MAC, Linux, Chrome, Firefox, Edge, and Safari.
This JSON Linter helps a developer who works with JSON data to test and verify.

How do I check if a JSON file is valid?

Open the JSON Validator tool and Copy and Paste JSON in Input Text Editor.
If you have a JSON file, you can upload the file using the Upload file button. Users can also upload JSON with an internet-accessible URL. Click on the URL Button and Paste the URL.
Click on the Validate JSON button once JSON data is available in Text Editor via Paste, File, or URL.
JSON Validator will show the errors with line numbers, if any, with great details.

Know more about JSON.

Example to validate JSON

Valid JSON Try it.

{
"InsuranceCompanies": {
    "source": "investopedia.com"
    }
}

Invalid JSON Try it.

{
"InsuranceCompanies": {
    "source": "investopedia.com
    }
}

For Advanced Users

External URL

Load External URL in Browser URL like this https://codebeautify.org/jsonvalidator?url=external-url

https://codebeautify.org/jsonvalidator?url=https://gist.githubusercontent.com/cbmgit/852c2702d4342e7811c95f8ffc2f017f/raw/InsuranceCompanies.json

Data as Parameter

Load Data in Browser URL input like this https://codebeautify.org/jsonvalidator?input=inputdata

https://codebeautify.org/jsonvalidator?input={"InsuranceCompanies":{"source":" investopedia.com"}}