TOML and JSON Workbench
Convert TOML configuration and JSON with explicit type compatibility checks.
Loading tool…
How to use TOML and JSON Workbench
Convert TOML configuration and JSON with explicit type compatibility checks. Tables and arrays retain their structure. TOML dates, infinities and unsafe integers are refused rather than silently converted into different JSON types.
- Provide the input and select the documented mode or options.
- Run the tool and review its result and any limits reported below.
- Copy the text result or download a separate output file.
Good to know
- 100,000 input characters;10,000 values;40 nesting levels. TOML1.1 syntax follows the installed smol-toml parser.
- Comments and original formatting are not retained. JSON null and top-level nonobjects cannot be encoded as TOML.
- Processing happens in this browser tab. Inputs and results are not automatically saved or uploaded.
Common questions
What does TOML and JSON Workbench process?
Tables and arrays retain their structure. TOML dates, infinities and unsafe integers are refused rather than silently converted into different JSON types.
What happens to my original input?
The tool creates a separate result. Selected files and pasted data remain on this device; inspect the result before using it in another system.
Keep going with related tools
All data →JSON Formatter
Format and indent valid JSON in your browser, with downloadable output and clear syntax errors.
DeveloperJSON Validator
Check JSON syntax locally and see its root type, value count, and nesting depth.
DataJSON Minifier
Remove unnecessary JSON whitespace while preserving the parsed data structure.
DataJSON Diff
Compare JSON values structurally and list added, removed, or changed paths.
DataJSON Key Sorter
Sort object properties throughout a JSON document while retaining array order.
DataJSON String Escaper
Encode text as a JSON string literal or decode one JSON string into readable text.