Convert JSON to JSONL

The Convert JSON to JSONL tool lets you easily convert JSON data into the JSON Lines (JSONL) format. You can either paste your JSON data directly into the tool or upload a .json file. The tool then converts the JSON into JSONL format, allowing you to download or copy the output as needed.

Paste your input above or import a file below.
No file chosen
Supported file types: .json, .txt, .log, .csv, .tsv, .yaml, .yml, .xml, .html, .htm, .md, .ini, .css
Total items: 0
Options
Pretty output
Ignore invalid JSON
Maximize output

How to Use:

  1. Input JSON:
    • You can either paste your JSON data into the “Input JSON” textarea or upload a .json file by clicking the Choose File button.
  2. Convert to JSONL:
    • After entering your JSON data, click the Convert button. The tool will automatically convert the input JSON into JSONL format. In JSONL, each JSON object is placed on a new line.
  3. Options:
    • The tool does not have additional settings in this version. However, you can toggle the “Ignore null values” option if implemented.
  4. Copy Output:
    • Once the conversion is complete, you can click the Copy Output button to copy the JSONL result to your clipboard for easy sharing or usage elsewhere.
  5. Export the Output:
    • You can download the converted JSONL output as a .jsonl file by clicking the Export to File button. This makes it easy to save the converted data for further use.
  6. Clear All:
    • If you want to reset the tool, click the Clear All button. This clears the input, output, and resets any settings.

What Convert JSON to JSONL Can Do:

The Convert JSON to JSONL tool converts standard JSON arrays into JSONL format, where each element (object) in the array becomes a separate line in the output. This makes it ideal for use cases where you need line-by-line processing or handling large datasets. JSONL is often used for data streaming, logging, or when working with large amounts of structured data that need to be processed one object at a time.

Key Features:

  • JSON Input: Accepts pasted JSON data or file upload for convenience.
  • JSONL Output: Converts the entire JSON array into JSONL format, with each object on its own line.
  • Copy Output: Allows users to copy the JSONL result with a single click.
  • Download Output: Provides the option to download the result as a .jsonl file.
  • Live Flash: Output flashes when the conversion happens to visually indicate when the tool has processed the data.

Example:

Input JSON:

You can paste a JSON array of objects into the input box. For example:

[
  {"name": "John", "age": 30},
  {"name": "Jane", "age": 25}
]

Output JSONL:

After conversion, the output will look like this:

{"name":"John","age":30}
{"name":"Jane","age":25}

Each JSON object is now separated by a newline, which is the JSONL format.

Common Use Cases:

The Convert JSON to JSONL tool is particularly useful for situations where:

  • Large Datasets: JSONL is an ideal format for large data files that need to be processed line-by-line, such as in machine learning tasks or data streaming.
  • Data Processing: JSONL allows for efficient parsing and processing of large JSON datasets where you only need to process one line at a time.
  • API Responses: Some APIs return data in JSONL format, and this tool helps convert standard JSON responses to the desired format.

Useful Tools & Suggestions:

Before converting, Flatten a JSON Object can simplify nested structures so each line in the JSONL format stays clean. Then, if you’re planning to scan or filter that data later, Tokenize JSON gives you more control over how it’s processed.

Related Tools