TOML Formatter & Beautifier
Normalise spacing, quoting and table grouping in TOML.
Reach for TOML Formatter & Beautifier whenever you need the same data in a different format — during a migration, a code review or a quick debug. It's a free, instant converter that keeps your structure and data types intact, entirely in your browser.
About TOML Formatter & Beautifier
Need the same data in another format without a CLI or script? TOML Formatter & Beautifier normalise spacing, quoting and table grouping in TOML the moment you paste it in. It's the fastest way to move config and API data between formats during migrations, code reviews and debugging. Like every ToolJolt utility it runs 100% in your browser — no sign-up, no upload, and nothing ever sent to a server, so it's safe for proprietary code and confidential data.
How to use TOML Formatter & Beautifier
- 1Paste your source data into the left panel.
- 2The converted output appears instantly on the right.
- 3Copy or download the result for your config, API or pipeline.
- 4Edit the input and the output updates live.
Why use TOML Formatter & Beautifier?
- ✓Instant, accurate conversion as you type
- ✓Preserves nesting, arrays and data types
- ✓Copy or download the result immediately
- ✓No CLI, no install, no config files to learn
Frequently asked questions
Is the conversion in TOML Formatter & Beautifier lossless?+
For typical documents, yes — keys, nesting, arrays and scalar types are preserved. Format-specific extras (comments, anchors, custom tags) may be normalised, since not every format supports them.
Can I convert large files with TOML Formatter & Beautifier?+
Yes. Conversion runs locally in your browser, so reasonably large documents process instantly without any upload or size cap imposed by a server.
Is TOML Formatter & Beautifier free?+
Yes. TOML Formatter & Beautifier is completely free with no sign-up, no account, no usage limits and no watermarks. Use it as often as you like.
Does TOML Formatter & Beautifier send my data to a server?+
No. TOML Formatter & Beautifier runs entirely in your browser with JavaScript — your input never leaves your device, which makes it safe for private API payloads, schemas and source code.
Embed TOML Formatter & Beautifier on your website
Want TOML Formatter & Beautifieron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
<iframe src="https://tooljolt.com/tools/toml-formatter" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="TOML Formatter & Beautifier — ToolJolt" loading="lazy"></iframe>