JSON Lint - Format & Validate JSON

🛡️ Your data is safe with us! 🔒 We do not pass your JSON to any server. All operations are performed completely in your browser using JavaScript. When using Share feature data maybe be stored securely in our servers to support durability of link.

To format and validate your JSON, just copy + paste it below:

What Is JSON?

JSON (pronounced as Jason or Jaison), short for "JavaScript Object Notation," serves as a user-friendly and concise method for expressing intricate data structures, promoting seamless data exchange between various systems. Its popularity stems from its straightforward nature and its resemblance to easily readable text. Consequently, it finds application in a myriad of scenarios, though not universally adopted by all systems for data communication.

About JSONLint

JSONLint is a validator and reformatter for JSON, a lightweight data-interchange format. Copy and paste, directly type, or input a URL in the editor above and let JSONLint tidy and validate your messy JSON code. It is one of the best JSON Formatter tools to format your JSON or to make your JSON Pretty. It's an all-in-one tool for Pretty JSON, JSON Validator, JSON Formatter, JSON Parser

Tips & Tricks

Common Errors

How Does JSONLint Validator Work?

JSONLint is an online editor, validator, and formatting tool for JSON, which allows you to directly type your JSON code, copy and paste it in the editor above. JSONLint Tool will validate your JSON content according to JS standards, informing you of every human-made error, which happens for a multitude of reasons – one of them being the lack of focus.

Using JSONLint tool, you can quickly find any errors that might've occurred, allowing you to focus more on the rest of your code than on a tiny error itself.

Other Tools