THE TOOL COLLECTION

Spreadsheet & Data Tools

Edit, clean, select, merge and chart CSV tables. Convert TSV, JSON and Markdown locally without uploading your data.

14 available tools Processed on your device

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Edit, clean, transform and chart local tables in one workspace.

Inspect and edit CSV cells, rename columns, add or remove rows and columns, and sort without running formulas.

Clean CSV whitespace and remove empty rows or columns with an actual result preview.

Select and reorder CSV columns by their actual headers, with positional identity for duplicate names.

Append or align two CSV tables, merge side by side, or split one table into downloadable parts.

Remove duplicate CSV rows using selected key columns, explicit comparison rules and first/last retention.

Convert comma, semicolon or tab-separated tables with strict quoting, line endings and an actual output preview.

Convert CSV to TSV or TSV to CSV without losing quoted tabs, commas or multiline cells.

Convert CSV/TSV tables to Markdown pipe tables, or parse supported Markdown pipe tables back to CSV/TSV.

View an object or array of JSON objects as a local table while preserving numeric lexemes and nested JSON text.

Build downloadable bar, line or pie charts from explicit CSV label/value columns with a local SVG and PNG preview.

Turn JSON records into CSV or TSV with a table preview, nested-value handling and optional formula protection.

Convert CSV or TSV to JSON records, with quoted multiline cells, header options and string-preserving output.

Group an explicitly selected CSV dimension/metric and inspect transparent sums and means.