Launching today
Quick JSONL Formatter

Quick JSONL Formatter

JSONL (JSONLines/ndjson) formatter/beautifier/prettifier

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Most JSON formatters break when you paste JSONL because they expect a single JSON object or array. JSONL isn’t broken — it’s different. This tool is built specifically for JSON Lines (ndjson). It treats each line as an independent JSON object while providing professional formatting, editing, and validation tools. Perfect for ML engineers, data scientists, and developers who need to safely format, modify, and convert back to clean JSONL without breaking structure.
Quick JSONL Formatter gallery image
Quick JSONL Formatter gallery image
Quick JSONL Formatter gallery image
Quick JSONL Formatter gallery image
Free
Launch tags:Development
Launch Team
Flowstep
Flowstep
Generate real UI in seconds
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What do you think? …

Semmo4ka
Hunter
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Launching **Quick JSONL Formatter** - a tool for formatting JSONLines files. **The Problem:** Standard JSON formatters break when you paste JSONL because they expect a single JSON object or array. JSONL is different - each line is an independent JSON object, making it ideal for ML training data, logs, and streaming applications.