JSONL Tools: small tools for awkward data chores
Validation, generation, and conversion tools for working with JSONL files.
Data preparation has plenty of small chores that can interrupt a bigger piece of work. Checking a file or converting an export should be a manageable step.
JSONL Tools brings those jobs together. The current site offers validation, sample-data generation, viewing, and conversions between JSONL and other formats. The portfolio describes the project as a way to manage files for AI model fine-tuning.
Break it. Fix it. See why.
Edit the sample. Each line needs to be a complete JSON value.
Give each job its own entry point
The homepage separates validation, generation, and conversion into distinct actions. Someone who already has a file can go straight to the relevant tool; someone learning the format can start with the documentation.
That is the useful product shape here. A collection of focused utilities can support a larger workflow without requiring the person to adopt an entire new system.
The tools sit alongside explanations of the format, so there is a path for both someone preparing a file and someone learning what the file needs to look like. The job stays close to the data.
