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Developer Utilities · Free tool

TOML to JSON

Paste TOML (like a Cargo.toml or pyproject.toml) and get equivalent JSON. Runs in your browser — no upload.

Updated April 2026

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What it does

Paste TOML (like a Cargo.toml or pyproject.toml) and get equivalent JSON. Runs in your browser — no upload.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.

How to use it

  1. Fill in the inputs or drop your file.
  2. Click the primary button to run.
  3. Copy or download the result.