Skip to main content
OTYOnlineToolYard

JSON ↔ TOML Converter — Convert Online Free

Convert JSON to TOML or TOML to JSON — bidirectional, client-side, instant.

TOML Output

How to Use

  1. Choose JSON → TOML or TOML → JSON with the toggle buttons.
  2. Paste your input into the left pane. The tool accepts JSON5 syntax (trailing commas, comments) when converting from JSON.
  3. The result appears in the right pane instantly. Click Copy to copy it to the clipboard.
  4. Click to swap the output back into the input pane and reverse the conversion.

Frequently Asked Questions

Related Tools

JSON & DataJSON to YAML Converter

Convert JSON to YAML or YAML to JSON instantly — bidirectional, lenient parser, swap button.

JSON & DataJSON to XML Converter

Convert JSON to XML or XML to JSON instantly — bidirectional, configurable root tag.

JSON & DataJSON Encoder & Decoder

Format, validate, and encode/decode JSON with Monaco editor — lenient parsing, local save, all client-side.

JSON & Data.env to JSON Converter

Convert .env files to JSON or JSON back to .env format — bidirectional, comments stripped.

JSON & DataJSON to Dart Converter

Convert a JSON object to a Dart class with fromJson, toJson, and null-safe fields.

JSON & DataJSON to TypeScript Converter

Convert a JSON object to TypeScript interfaces — nested types, optional fields, all client-side.