Convert JSON arrays to JSONL (JSON Lines) format and vice versa. Perfect for data processing, machine learning workflows, and API development.
Choose between JSON to JSONL or JSONL to JSON conversion mode based on your needs. Switch modes anytime with the toggle button.
Paste your JSON array or JSONL data, upload a file, or fetch JSON directly from a URL. The tool validates your input in real-time.
Click the Convert button to transform your data. View the output with syntax highlighting and formatting.
Copy the converted data to clipboard or download it as a file. Perfect for integration into your workflow.
Enter a URL to fetch JSON data directly from an API or endpoint
JSONL (JSON Lines) is a convenient format for storing structured data that can be processed one record at a time. Each line is a valid JSON object, making it ideal for streaming data processing, log files, and machine learning datasets.
JSONL format allows for efficient line-by-line processing without loading entire datasets into memory. Perfect for big data workflows.
All conversions happen locally in your browser. Your data never leaves your device, ensuring complete privacy and security.
Instant conversion with no server roundtrips. Process large datasets quickly and efficiently right in your browser.
Convert from JSON to JSONL or JSONL to JSON with a single click. Switch between modes instantly.
Real-time validation ensures your input is correct. Get detailed error messages for debugging.
View detailed statistics about your conversion including line count and file size changes.
Fetch JSON data directly from any public URL or API endpoint. Perfect for working with remote data sources.
Upload JSON or JSONL files directly and download converted results. Supports drag-and-drop for convenience.
One-click copy functionality for quick integration into your projects and workflows.
Load sample data to test the converter and understand the format differences between JSON and JSONL.
[
{"id": 1, "name": "Alice"},
{"id": 2, "name": "Bob"},
{"id": 3, "name": "Charlie"}
]{"id": 1, "name": "Alice"}
{"id": 2, "name": "Bob"}
{"id": 3, "name": "Charlie"}