Free & Instant

Convert TOML to JSON Online — Free & Fast

Transform TOML configuration files to JSON format.

Upload your file

Drag & drop your .toml file here, or browse
Multiple files supported

.TOML.JSON

Maximum file size: 500 MB · Multiple files supported

100% private — files are processed in your browser, never uploaded

How It Works

TOML to JSON in 4 Easy Steps

Convert TOML to JSON in seconds — no sign-up, no upload, no catch.

  1. 1

    Upload TOML file

    Drop your .toml file or click Browse.

  2. 2

    JSON auto-selected

    JSON is pre-selected as the output.

  3. 3

    Convert locally

    Your TOML is converted to JSON in your browser.

  4. 4

    Copy or download

    Copy the JSON or download it.

Use Cases

Why convert TOML to JSON?

  • Convert config files for web use
  • Transform TOML for JavaScript applications
  • Make Rust config usable in web projects

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FAQ

Frequently Asked Questions

TOML is commonly used for configuration files in Rust, Python, and Node.js projects.