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JSON Validator Online

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

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

It finds and Highlight most Common error happens 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. User can find this kind of common error using json validator within micro seconds.

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 File by uploading the file. User can fix their json file by resolving error one by one.
It will helps 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 JSON Validator tool and Copy and Paste JSON in Input Text Editor.
If you do 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 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 there are 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://anydoor.travelroute.uk/jsonvalidator?url=external-url

https://anydoor.travelroute.uk/jsonvalidator?url=https://gist.githubusercontent.com/cbmgit/852c2702d4342e7811c95f8ffc2f017f/raw/InsuranceCompanies.json

Data as Parameter

Load Data in Browser URL input like this https://anydoor.travelroute.uk/jsonvalidator?input=inputdata

https://anydoor.travelroute.uk/jsonvalidator?input={"InsuranceCompanies":{"source":" investopedia.com"}}