Developer Tools
CSV Sorter
Sort CSV data rows by the first column or whole row while keeping the header row in place.
Output will appear here.
CSV sorting workflow tips
Sort before comparing
Sorting rows can make copied exports easier to scan before checking counts with CSV Row Counter or extracting columns.
Deduplicate after sorting
If repeated rows become easier to spot after sorting, run the output through CSV Deduplicator next.
Keep conversion browser-local
Use CSV to JSON, CSV to TSV, or the Developer Data Toolkit after sorting.
What this tool does
CSV Sorter parses pasted CSV, keeps the first row as a header, sorts remaining rows naturally, and returns copyable CSV for spreadsheet cleanup, imports, QA, fixtures, and documentation samples.
Common use cases
Sort CSV data rows by the first column or complete row before comparison, deduplication, import prep, documentation, or conversion.
Use CSV Sorter when you are working with copied API payloads, logs, encoded values, config snippets, identifiers, or debugging data and need a quick browser-local check before pasting the result into docs, tickets, tests, or another developer tool.
How to use it
- Paste CSV with a header row and at least one data row.
- Choose whether to sort data rows by the first column or by the whole row.
- Copy the sorted CSV for review, deduplication, conversion, or import preparation.
Example workflow
Paste CSV or delimited rows, format or convert the data, check that headers and columns look right, then move to CSV Column Extractor, Delimiter Converter, CSV to TSV, TSV to CSV, CSV to Plain Text, or JSON Formatter if the workflow needs a different shape.
Privacy note
Client-side only: CSV sorting runs in your browser and pasted rows are not uploaded, stored, fetched, or logged.
FAQ
Does CSV Sorter upload my CSV?
No. CSV sorting runs locally in your browser and pasted rows are not uploaded, stored, fetched, or logged.
What happens to the header row?
The first row is preserved as a header while the remaining data rows are sorted.
Can I deduplicate sorted CSV?
Yes. After sorting, use CSV Deduplicator to remove exact duplicate rows while keeping the first matching row.
Explore more tools
Browse the Developer Tools hub or continue with the Developer Data Toolkit when this task is part of a larger workflow.