Is the toml to csv converter free?

Yes, completely free. No sign-up, no daily limit, no watermark on the output.

How are nested TOML tables handled?

Nested tables are flattened using dot notation. For example, [server.tls] with key enabled = true becomes a column called server.tls.enabled.

How do array of tables convert?

Each [[items]] entry becomes a CSV row, with the keys from those entries as column headers. This is the cleanest way to get a tabular view of TOML records.

Are arrays of scalars supported?

Yes. Scalar arrays (like features = ["auth", "billing"]) are JSON-stringified inside a single CSV cell so the original data is preserved.

Are data types preserved?

Yes. Numbers, booleans, and dates appear in the CSV with their original values, ready for spreadsheet tools to recognize them.

Is the conversion private?

Yes. The tool runs entirely in your browser, so your TOML data never leaves your device.

TOML to CSV Converter Online

What is TOML to CSV Conversion?

TOML to CSV conversion takes a TOML config file and turns it into a flat table of comma-separated values. TOML is great for nested, structured config; CSV is what spreadsheets, BI tools, and data analysts actually want. A toml to csv converter handles flattening tables (so nested keys still land in columns) and writing array-of-tables entries as separate rows. If you've ever wanted to open a TOML file in Excel and never quite figured out how, this is the tool that fixes that.

Why Convert TOML to CSV?

CSV is the universal format for spreadsheets and data tools. Excel, Google Sheets, Power BI, Tableau, pandas, R, every database import tool: they all read CSV out of the box. TOML, on the other hand, is a developer-edited config format. Converting toml to csv online lets you analyze, audit, or share TOML config in spreadsheet form. Use a toml to csv tool when you need to load TOML config into a spreadsheet for review, audit lists of dependencies or settings as a table, prepare TOML data for pandas or R analysis, or hand off TOML records to teammates who work in spreadsheets.

How Our TOML to CSV Converter Works

When you click Convert, the tool parses your TOML and decides how to lay it out. If your TOML contains an array of tables ([[items]]), each entry becomes a CSV row with the keys as headers. Otherwise, the tool flattens the structure with dot notation (server.host, server.port) and writes a single row. Arrays of scalars get JSON-stringified inside one cell so the data isn't lost. Numbers and booleans land in the CSV exactly as they appeared in TOML. Everything runs in your browser. Your TOML data never leaves your device.

Features You Get

Smart layout detection: array of tables becomes rows; flat tables become flattened columns.
Dot-notation flattening: nested keys are joined with dots so the data survives.
Array handling: scalar arrays are JSON-stringified inside CSV cells to preserve them.
Type preservation: numbers and booleans stay intact in the CSV output.
Upload support: load a .toml file from your device or drag-and-drop it into the input.
One-click copy: paste the CSV straight into Excel or Google Sheets with the Copy button.

How to Use the Tool

Paste your TOML into the input editor, or use the Upload File button to load a .toml file.
Click the Convert button to generate the CSV output on the right.
Skim the headers and rows to make sure the structure looks right.
Click the Copy button and paste the CSV directly into Excel, Google Sheets, or any text editor.

Common Use Cases

Config audits: loading TOML config into a spreadsheet to review settings across a project.
Reporting: exporting TOML records for stakeholders who live in Excel or Google Sheets.
Data analysis: preparing TOML data for pandas, R, or other analytics tools.
Hand-offs: sharing TOML records with teammates who work in spreadsheets, not parsers.

Example Conversion

Input (TOML)

[[items]]
name = "Widget"
price = 29.99
inStock = true

[[items]]
name = "Gadget"
price = 49.99
inStock = false

Output (CSV)

name,price,inStock
Widget,29.99,true
Gadget,49.99,false

Frequently Asked Questions

Related Converters

CSV to TOML TOML to JSON TOML to YAML