Convert JSON to NDJSON

Upload your JSON file to convert to NDJSON - paste a link or drag and drop. Free for files up to 5MB, no account needed.

1
Pick Your JSON File
You can upload files from your computer or import from a URL.
2
Preview and Configure
Preview your file and configure the conversion options if needed.
3
Convert and Download
Click "Convert" to transform your file into NDJSON and download it instantly.
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JSON

JSON (JavaScript Object Notation) is a lightweight data format that's easy for humans to read and write, and easy for machines to parse and generate.

Originally created for JavaScript, JSON quickly became the go-to format for web data exchange because it's simple and versatile. Now it's used across many programming languages and platforms.

JSON is a staple in web applications. It can represent structured data from simple key-value pairs to complex nested objects and arrays, making it perfect for client-server communication.

Schema

JSON's flexible structure is great, but it can make data integrity and processing tricky, especially with large or complex datasets.

Konbert automatically figures out the schema of your JSON data. We scan your JSON file to identify its structure, making sure all data is accurately captured and maintained throughout the conversion process. This preserves the integrity of your information.

Character encoding

According to RFC 8259, strings in uploaded JSON files should be encoded in UTF-8.

If your file has non UTF-8 characters, you might run into errors when parsing your data.

Nested data

We can read and flatten nested objects and arrays if you want to convert them to flat data like CSV or Excel.

NDJSON

NDJSON (Newline Delimited JSON) is a handy format for storing or streaming structured data that you can process one record at a time. Each line in an NDJSON file is a valid JSON object, with a newline character separating them.

This format works great for handling large datasets. You can easily parse and process data line by line without loading the entire file into memory.

Key Features

  • Each line is a complete JSON object
  • Easy to read and write sequentially
  • Great for streaming and logging
  • Allows partial processing of large datasets

NDJSON is popular in data pipelines, log processing, and situations where you need to add new data to existing files without changing the whole structure.

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