Are my NDJSON files uploaded anywhere?

No. This conversion runs entirely inside your browser, so the file never leaves your device. You can confirm it yourself: open the network tab of your browser's developer tools and watch that nothing is sent while the file converts.

Is converting NDJSON to TOML free?

Yes, without a limit on how many files you convert and with no watermark on the result. Files up to 100 MB are covered by the free plan.

Does converting NDJSON to TOML lose quality?

No. TOML stores the same content without discarding anything, so the result is identical in quality to the original.

Do I need to install anything to open TOML files?

No installation is needed for the conversion itself — it runs in the browser you already have. Opening the TOML afterwards needs whatever software normally handles Tom's Obvious Minimal Language on your device.

NDJSONtoTOML

Convert NDJSON to TOML

Up to 3 files at once, 100 with Pro. Mixed formats are fine.

You can convert NDJSON to TOML free and without an account: drop the file above and the TOML is ready to download in a second or two. The conversion happens inside your own browser, so the file is never uploaded — it works on Windows, Mac, Linux, iPhone and Android, and keeps working with the network switched off.

What NDJSON and TOML are for

One JSON object per line. What log pipelines and data exports stream.

A configuration format that stays readable without YAML’s indentation traps.

How to convert NDJSON to TOML

Drop your NDJSON file onto this page, or click to pick one.
Choose TOML as the target. The conversion runs inside your browser — the file is never uploaded.
Download the finished TOML file.

NDJSON vs TOML: what changes

NDJSON compared with TOML
	NDJSON	TOML
Full name	Newline-Delimited JSON	Tom's Obvious Minimal Language
File extension	.ndjson, .jsonl	.toml
Media type	application/x-ndjson	application/toml

Quality: Nothing is lost. The result holds exactly the same picture, text or data as the original.
Where it runs: This conversion runs inside your browser. Your file is never uploaded, and it works with the network disconnected.

NDJSON to TOML: common questions

Are my NDJSON files uploaded anywhere?: No. This conversion runs entirely inside your browser, so the file never leaves your device. You can confirm it yourself: open the network tab of your browser's developer tools and watch that nothing is sent while the file converts.
Is converting NDJSON to TOML free?: Yes, without a limit on how many files you convert and with no watermark on the result. Files up to 100 MB are covered by the free plan.
Does converting NDJSON to TOML lose quality?: No. TOML stores the same content without discarding anything, so the result is identical in quality to the original.
Do I need to install anything to open TOML files?: No installation is needed for the conversion itself — it runs in the browser you already have. Opening the TOML afterwards needs whatever software normally handles Tom's Obvious Minimal Language on your device.