JSON → TOML

Files stay on your device when the selected browser engine supports local processing.

Select files: JSON Data

Drop files here or click to browse.

Processing takes place in your browser; the selected files are not uploaded.

Limited conversion Features that the target format cannot represent may be flattened, simplified or omitted.

About JSON to TOML conversion

What this conversion does

JSON: Structured values arranged as objects and arrays. TOML: Configuration data organized into keys, values and tables.

When to use TOML

  • When an app, device or website requires TOML instead of JSON.
  • When TOML is a better fit for your editing, sharing or storage workflow.

What to know

  • Processing takes place in your browser; the selected files are not uploaded.
  • Features that the target format cannot represent may be flattened, simplified or omitted.
  • Nested data is flattened for table outputs. Comments are not supported.
  • Comments and ordering may be lost. Complex arrays have limited support.
  • Check column names, empty values and data types after conversion. Nested structures and spreadsheet formatting do not always fit the target format.