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Spreadsheet Transform Tools

Reshape spreadsheets locally in your browser, with no upload.

ESC

Find and Replace in CSV

Search and replace values across selected CSV columns with literal, case-sensitive, whole-cell, and regular-expression matching. Review the first 100 output rows and export the result or complete change log.

name,city
Ada,Riga
name,city
Ada,Tallinn

Spreadsheet Transform Tools for changing CSV data

Spreadsheet Transform Tools currently includes Find and Replace in CSV. The page searches selected CSV columns and lets you choose literal, case-sensitive, whole-cell, or regular-expression matching. Review the first 100 output rows, then export the changed CSV or the complete change log.

Find and replace values in CSV columns

Open Find and Replace in CSV when a CSV has values that need replacing. Select the columns to search and choose the matching method before checking the output. Literal matching uses the search text as written. Case-sensitive matching keeps letter case significant, whole-cell matching checks a complete cell value, and regular-expression matching uses a pattern to define the match.

Review the transformed CSV before exporting

Find and Replace in CSV shows the first 100 output rows for review. Check those rows before exporting the replacement result for the next data step. You can also export the complete change log when you need the edits listed separately.

Choose the right spreadsheet transformation tool

Use this category when the task is changing values inside CSV data. Spreadsheet Tools covers cleaning, validation, comparison, and conversion for CSV, TSV, and Excel files. Choose Find and Replace in CSV for replacements in selected CSV columns. Choose Spreadsheet Tools for the other operations.

Typical spreadsheet transformation jobs

  • A data analyst needs to change a repeated value in selected CSV columns, then exports the revised CSV for the next report step.
  • A finance worker needs to replace a complete cell value without changing partial matches elsewhere, so they choose whole-cell matching and inspect the first 100 output rows.
  • A developer needs pattern-based matching for CSV values, so they choose regular-expression matching and export a complete change log for review.

Frequently asked questions

Which tool should I use to find and replace CSV values?

Use Find and Replace in CSV. It searches selected CSV columns and supports literal, case-sensitive, whole-cell, and regular-expression matching.

Can I replace only complete cell values in a CSV?

Yes. Choose whole-cell matching when the replacement should apply to a complete cell value rather than a partial match.

Can I review CSV changes before exporting them?

Yes. Find and Replace in CSV lets you review the first 100 output rows, then export the result or the complete change log.

Can I use Spreadsheet Transform Tools for Excel files?

Find and Replace in CSV works with CSV files. For Excel files, use Spreadsheet Tools, which covers cleaning, validation, comparison, and conversion for CSV, TSV, and Excel files.