JSONL Validator
Paste JSON Lines (JSONL or NDJSON) to validate every record independently, pinpoint syntax errors by line number, summarize value types, and export valid records as normalized JSONL or a JSON array. Everything stays in your browser.
Paste JSON Lines (JSONL or NDJSON) to validate every record independently, pinpoint syntax errors by line number, summarize value types, and export valid records as normalized JSONL or a JSON array. Everything stays in your browser.