CSV, Excel & spreadsheet tools

Choose the right shortcut

• Reconcile two lists or review duplicate groups.
• Prepare a table for another application without guessing its values.

Read the selected tool’s instructions, supported formats and limits before starting. Review generated results before you use them.

18 tools that work now

• Match two listsCompare CSV files in your browser and review matches, exceptions and duplicate keys.
• Merge & deduplicateCombine tables, review duplicate groups and choose which records to keep.
• Check data qualityFind missing values, duplicate keys and values that fail your column checks.
• PDF to spreadsheetExtract text-based table rows, review columns and export CSV or XLSX.
• Prepare catalog CSVMap product columns to a generic catalog CSV and review validation issues.
• Excel to CSVConvert the first XLSX worksheet to CSV. Formatting is not kept and formulas are not recalculated.
• CSV to ExcelCreate an XLSX workbook from CSV. Every cell stays text, including leading zeros.
• JSON to CSVTurn an array of objects into CSV. Nested values become JSON text; missing and null values become empty cells.
• CSV to JSONTurn CSV rows into an array of JSON objects. All cell values stay text.
• Split large CSVSplit a UTF-8 CSV by data-row count into smaller files, repeating the header. Download the parts as a ZIP.
• Clean spreadsheetChoose explicit text, whitespace and empty-row cleanup rules. Review the changes before exporting CSV or XLSX.
• Split & combine columnsSplit a text column by a delimiter or join selected columns. Preview the result before exporting.
• Email / lead-list cleanerNormalize email spelling, review invalid syntax and duplicates, and export clean/review lists.
• Unpivot spreadsheetTurn selected wide columns into explicit Variable / Value rows.
• Mask spreadsheet columnsReplace chosen columns with fixed masks or consistent random aliases.
• Encoding / identifier repairDecode CSV explicitly and pad or strip leading zeros in chosen digit-only columns.
• Fuzzy list matchingFind similar text keys across two tables and explicitly review suggested pairs. Original rows stay in the review export.
• Batch PDF forms from tableMap CSV/XLSX columns to a supported PDF form and create one completed PDF per row in a ZIP.