Data
Compare lists, clean CSVs, convert between formats.
Compare Two Lists
Paste two lists and instantly see what's only in one, what's in both, and any duplicates.
CSV Viewer
Paste or upload a CSV and see it as a clean, readable table.
Remove Duplicate Rows
Paste a CSV and remove exact duplicate rows, or duplicates by a specific column.
Column Extractor
Pull one or more columns out of a CSV.
CSV to JSON
Convert CSV data into a JSON array of objects.
JSON to CSV
Convert a JSON array of objects into a CSV.
Table to Markdown
Paste a CSV or spreadsheet table and get Markdown table syntax.
Split Large CSV
Break a big CSV into smaller files by row count.
CSV to Excel
Convert a CSV file into a real downloadable .xlsx spreadsheet.
Excel to CSV
Convert an .xlsx spreadsheet into plain CSV.