Open TOML Online

View a TOML configuration file.

Drop a file here

or

Your file stays on your device.

  • Preview: Excellent
  • File info: Yes
  • Search: Yes
  • Editing: Yes

About TOML files

TOML is a configuration format used by Rust’s Cargo, Python’s pyproject.toml and many tools.

Open Online highlights TOML and lets you edit and save a copy.

What you can do here

  • Line numbers and syntax highlighting
  • Search and replace
  • Toggle word wrap
  • Edit the text and save a copy
  • See encoding, line endings, line and word counts

Limitations

  • Very large files (over 50 MB) open read-only to keep the browser responsive.

Privacy

The file is read by your browser and stays on your device. Open Online has no server that could receive it, and nothing is stored once you close the tab. Privacy policy

Common questions

Does it validate TOML?

Not yet; it highlights syntax only.