How it works
How to use the CSV to Multi-line Data
Paste or open your input
Type, paste or drop a file into the left editor — or press Sample to try it.
Adjust the options
Use the options in the toolbar; the result updates as you type.
Copy or download the result
Copy the output or download it as a file.
About the CSV to Multi-line Data
Turn each CSV row into a readable block of “column : value” lines — much easier to read than a wide table, and handy for emails and reports.
Built for developers
Why developers use it
Private by design
Runs 100% in your browser. Nothing you paste is uploaded, logged or stored on a server.
Instant results
Output updates as you type, with precise error locations when something is wrong.
Works offline
Once loaded, the tool keeps working without a connection. Install it as an app if you like.
Free, no sign-up
No accounts, no limits, no watermarks.
FAQ
Frequently asked questions
Is my data uploaded anywhere?
No. Everything runs locally in your browser — nothing you type, paste or open is sent to a server, logged or stored. The tool keeps working offline once the page has loaded.
Keep going
Related tools
- CSV ViewerView CSV as a sortable, filterable table
- CSV to JSONConvert CSV to JSON and back
- CSV to SQL ConverterGenerate INSERT statements from CSV
- CSV to XMLConvert CSV to XML and back
- CSV to YAMLConvert CSV to YAML and back
- CSV to HTML tableConvert CSV to HTML table
- JSON to One LineConvert JSON to a single line
- JSON to CSVConvert JSON arrays to CSV and CSV back to JSON