Does JSON to TOML upload my file or text to Tool-You servers?

No. JSON to TOML runs in this browser tab. Files stay on the device. Limit note: Root object only. Nested arrays of tables follow smol-toml rules. Max 500,000 characters.

Should I use TOML to JSON instead of JSON to TOML?

Use JSON to TOML when you need Dump a JSON object as TOML. Use TOML to JSON when you need Parse TOML into JSON. They share a category (Convert) but not the same job.

What are the limits of JSON to TOML?

Root object only. Nested arrays of tables follow smol-toml rules. Max 500,000 characters. Also: Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse.

JSON to TOML

Dump a JSON object as TOML.

Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse.

What JSON to TOML does

Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse.

The interactive controls for JSON to TOML load after this article so crawlers still read the instructions. Path /json-to-toml is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for JSON to TOML.

How to use JSON to TOML

Keep this tab on JSON to TOML (/json-to-toml). Pasting into the wrong Convert tool (for example TOML to JSON) changes the job.
Paste or type the input JSON to TOML expects. Path hint: json to toml. Dump a JSON object as TOML.
Apply the JSON to TOML action only. JSON to YAML is a different transform (Dump JSON as YAML.). Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse.
Copy the output of JSON to TOML if you need it elsewhere. Size/complexity still follows: Root object only. Nested arrays of tables follow smol-toml rules. Max 500,000 characters.
If the text job is actually Parse TOML into JSON., leave JSON to TOML and open TOML to JSON.

When not to use JSON to TOML

Skip JSON to TOML when a neighbor tool matches better — start with TOML to JSON or JSON to YAML — or when the description already warns the job will fail. In the tool’s own words: Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse.

Questions about JSON to TOML

What does JSON to TOML do that other Convert pages on this site do not?: Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse. Short version: Dump a JSON object as TOML.
Does JSON to TOML upload my file or text to Tool-You servers?: No. JSON to TOML runs in this browser tab. Files stay on the device. Limit note: Root object only. Nested arrays of tables follow smol-toml rules. Max 500,000 characters.
Should I use TOML to JSON instead of JSON to TOML?: Use JSON to TOML when you need Dump a JSON object as TOML. Use TOML to JSON when you need Parse TOML into JSON. They share a category (Convert) but not the same job.
What are the limits of JSON to TOML?: Root object only. Nested arrays of tables follow smol-toml rules. Max 500,000 characters. Also: Root must be an object, not an array. Uses smol-toml stringify. Dates stay JSON strings unless already TOML types after parse.