What JSON format does this OpenAI converter accept?

It accepts a JSON array of objects with keys like "system", "user", "assistant". Example: [{"system":"You are a helpful assistant","user":"What is AI?","assistant":"AI stands for Artificial Intelligence."}]

Is this JSON to OpenAI format converter free?

Yes. Free forever. No account needed, no ₹ subscription. Convert unlimited training examples.

Does the system prompt field need to be filled?

No, it's optional. If your JSON objects don't have a 'system' key, the tool will output only user and assistant messages.

Does my data get sent to OpenAI when I convert?

No. This tool only formats your data locally in your browser. You need to upload the resulting .jsonl file to OpenAI yourself via their API or dashboard.