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Convert TOML to JSON
TOML is made for config files, and other tools usually expect JSON or YAML. JSON is the shared data format of APIs and programming languages.
- Free
- No sign-up
- Batch conversion
Why convert TOML to JSON?
To convert TOML files to JSON, drop them on the counter above.
Most files convert in seconds: no queue, no email address, and the JSON result saves straight to your computer or phone.
How to convert TOML to JSON
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Add your TOML files
Drag your TOML files onto the counter or pick them with Choose files. You can add several at once.
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Check the settings
The defaults suit most cases. Change quality, size or other options if you like; after a change, one click converts again.
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Conversion starts by itself
Each file is converted to JSON and its row is stamped CONVERTED.
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Download your JSON file
Get the file with Download. With several files you can download them all as one ZIP.
TOML vs JSON
| Property | TOML | JSON |
|---|---|---|
| Full name | Tom's Obvious, Minimal Language | JavaScript Object Notation |
| Type | Data | Data |
| Nested structure | Yes | Yes |
| Plain text | Yes | Yes |
| Created by | Tom Preston-Werner | Douglas Crockford (RFC 8259) |
| Year | 2013 | 2001 |
| Extensions | .toml | .json |
| MIME | application/toml | application/json |
About the formats
TOML
Tom's Obvious, Minimal Language
TOML is a format designed for configuration files: it looks like INI but defines types precisely. Rust (Cargo) and Python (pyproject) projects use it.
JSON
JavaScript Object Notation
JSON is the lightweight text format web services and apps use to exchange data. It nests objects, arrays, numbers and strings.
Frequently asked questions
Is converting TOML to JSON free?
Yes, completely free. No account, no daily limit, no watermark and no queue.
Does it work on a phone?
Yes. It works on iPhone, iPad and Android, with no app to install.
Is there a file size limit?
There is no size limit set by us. Files of hundreds of MB convert too; very large files take longer and are handled more comfortably on a computer than on a phone.
Other conversions
| Family | Give | → | Get | What you gain |
|---|---|---|---|---|
| JSON | TOML | strictly typed config | ||
| TOML | YAML | readable config file | ||
| XLSX | JSON | API-ready data · Excel sheets carried over | ||
| CSV | JSON | API-ready data · separator found by itself | ||
| YAML | JSON | API-ready data · indented structure kept | ||
| XML | JSON | API-ready data · tags and attributes kept | ||
| XLS | JSON | API-ready data · old Excel file read | ||
| TSV | JSON | API-ready data · tab-separated data read |