webtech360-app-config.toml
See how TOML works with this ready-made sample. Open it in the viewer or download the original TOML file for your own testing.
Open TOML files online
TOML is a minimal configuration format designed to be obvious and easy to read, used by Rust’s Cargo and many CLIs.
Interactive viewer — This format is parsed and rendered in the browser.
Drop a TOML file to open it
or click to choose — everything stays on your device
Choose file🔒 100% private — files never leave your browser
Sample files for TOML
Choose an extension below to open a ready-made sample in the viewer or download it for your own testing.
You can also edit TOML online — change the content with find & replace, then save it back. Nothing is uploaded. Or turn TOML into an image — snapshot the preview, add arrows or notes, and download a PNG.
What is a TOML file?
TOML is a minimal configuration format designed to be obvious and easy to read, used by Rust’s Cargo and many CLIs. The .TOML extension identifies a Tom’s Obvious Minimal Language file, which is served with the application/toml media type. You can open it here instantly — drop the file into the box above and it renders in your browser. Nothing is uploaded.
Besides this free online viewer, you can open TOML files in desktop apps such as VS Code, any text editor — but here all you need is a web browser.
Quick facts
| Format | TOML — Tom’s Obvious Minimal Language |
|---|---|
| File extensions | .toml |
| MIME type | application/toml |
| Developer | Tom Preston-Werner |
| Category | Text & markup |
| Also opens in | VS Code, any text editor |
How to open a TOML file online
- Click Choose file above, or drag your TOML file onto the box.
- The right viewer loads automatically and renders your file.
- Read, scroll or page through it. To open a different file, choose Open another file.
100% private — files never leave your browser.
Libraries used to render TOML in the browser
This viewer is built entirely with open-source JavaScript that runs in your browser:
Frequently asked questions
What is a .TOML file?
A .TOML file is a Tom’s Obvious Minimal Language, identified by the application/toml media type. You can open and read it instantly in the viewer above without installing anything.
What programs open TOML files?
On the desktop, TOML files typically open in VS Code, any text editor. Online, this page opens them in any modern browser — nothing to download.
Can I edit a TOML file online?
Yes. Open your file, switch to Edit, change the text with built-in find & replace, then click Save. It all runs in your browser — nothing is uploaded.
How do I convert TOML to an image?
Use Snapshot to capture the TOML preview, optionally add arrows, text or highlights, then download it as a PNG image.
Is it safe to open my TOML file here?
Yes. The file is read and rendered entirely by JavaScript inside your own browser. It is never uploaded to a server, so nothing leaves your device.
Do I need to install anything to view a TOML file?
No. There is nothing to install and no account to create. Open the page, drop your file, and it displays instantly.
Does it work on my phone or iPad?
Yes. The viewer is fully responsive and works in modern mobile and tablet browsers such as Safari and Chrome.
Is there a file size limit?
There is no hard limit, but very large files depend on your device’s memory. Big files are processed in the background so the page stays responsive.