CSV & tables
Select and sort CSV columns and rows, calculate statistics, and convert table formats.
11 tools in this category. Every tool runs in the browser and needs no sign-up.
CSV to HTML Table
Convert a CSV header and equal-width rows into escaped HTML table markup, without rendering the input.
CSV to SQL INSERT
Generate PostgreSQL-compatible INSERT statements. All cells stay strings; headers must be simple, unique SQL identifiers.
Remove Duplicate CSV Rows
Keep the header and first occurrence of each complete CSV row. Compare cells exactly, including case and spaces.
CSV / TSV Converter
Convert comma-separated records to tab-separated records and back, preserving quoted cells and embedded line breaks.
CSV to Markdown Table
Convert CSV into a Markdown table with the first row as the header.
Transpose CSV
Swap the rows and columns of CSV data, including quoted cells.
Select CSV Columns
Select and reorder CSV columns using a comma-separated list of column numbers.
Sort CSV Rows
Sort CSV data rows naturally by a selected column, retaining the first row as a header.
CSV Column Statistics
Calculate statistics for a numeric CSV column, excluding its header.
JSON → CSV
Convert JSON objects to CSV locally. Select columns, flatten nested objects, choose delimiters and download UTF-8 CSV with optional BOM for Excel.
CSV → JSON
Convert CSV to JSON locally, including quoted commas and multiline cells. Read UTF-8 or Shift_JIS files and preserve leading zeros by default.