Fix "Unexpected end of JSON input" Error

The "Unexpected end of JSON input" error is one of the most common JSON parsing errors. It occurs when JavaScript's JSON.parse() function receives incomplete or truncated JSON data.

This error typically means your JSON is missing closing braces, brackets, or is incomplete. In this guide, we'll show you exactly what causes this error and how to fix it instantly using our free JSON Fixer tool.

What Does "Unexpected end of JSON input" Mean?

This error occurs when the JSON parser reaches the end of the input string before finding all required closing characters. The parser expects more data but finds nothing, causing the error.

Broken JSON Example

Here's a typical example of JSON that causes the "Unexpected end of JSON input" error:

{
  "users": [
    {
      "name": "John",
      "age": 30
    }
  ]
  ← Missing closing brace here

{
  "users": [
    {
      "name": "John",
      "age": 30
    }
  ]
}

How to Fix "Unexpected end of JSON input" Error

JavaScript Code Example

Here's how to handle this error in your JavaScript code:

try {
  const jsonString = '{"name": "John", "age": 30'; // Missing closing brace
  const data = JSON.parse(jsonString);
} catch (error) {
  if (error.message === 'Unexpected end of JSON input') {
    console.error('JSON is incomplete or missing closing braces');
    // Use our JSON Fixer to fix it automatically
  }
}

FAQ