Free · No signup · Browser-based
Convert CSV to YAML.
Drop a CSV, get a YAML list of mappings. Numbers, booleans and nulls preserved as YAML literals — not quoted strings.
Drop a CSV, get a YAML list of mappings. Numbers, booleans and nulls preserved as YAML literals — not quoted strings.
Plenty of free CSV-to-YAML converters wrap every value in quotes. Ours doesn't. Numbers, booleans, and nulls become YAML literals so the output looks like what you'd hand-write. Dates are kept as strings by default to avoid ambiguity — toggle ISO normalization if you want.
Drag a file, click to choose, or paste data directly into the input pane.
Types are inferred so the output is correctly formatted — not strings everywhere.
Copy the output, download it, or hit 'Build dashboard' to chart what's in the data.
Free YAML converters often produce sloppy output — every value quoted, types lost, errors swallowed. Ours infers types where it can, fails loudly when it can't, and pairs the conversion with a one-click path to a dashboard.
Numbers, booleans and nulls are preserved wherever YAML supports them — not every value dumped as a quoted string.
Your file is parsed and converted in your browser — verify in DevTools → Network. Nothing is uploaded, logged, or stored.
Malformed input gives a clear, specific error instead of silently wrong output — so you can trust what comes back.
Every conversion keeps a tabular copy, so you can send the data straight to our visualization tool to chart it.