Data & CSV

Find & replace in CSV cells

Replace literal text inside selected cells while keeping the table structure.

Your inputs

Your CSV data

UTF-8 CSV/TSV stays on this device. First row contains unique headings; maximum 25 MB, 50,000 rows and 200 columns. Fully empty rows are ignored.

Up to 25 MB per file, 50,000 data rows, 200 columns and 2 million data cells. Fully blank rows and columns are ignored before row, column and cell limits are checked. Individual tools may have smaller result or chart limits.

Or choose a CSV file

Column separator

Apply to

Column

Text to find

Replace with

Case matching

Results update as you type. Larger files run when you press Update result.

Processed on your device

Your result

LOCAL & PRIVATE

Your result will appear here.

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A clear answer. Here’s how.

Replaces every literal occurrence within selected cell contents, without treating search or replacement as code or regex syntax. Can apply across all columns or a chosen column. Headings are preserved. Search text cannot be empty; matching does not normalise accents or Unicode equivalents.

See a worked example

Worked example

A fixed demonstration, separate from the values you enter above.

Your CSV data

ID,Name,Department,Amount,Date
001,Ada,Design,120,2026-01-05
002,Sam,Writing,80,2026-01-06
003,Jo,Design,150,2026-01-07
004,Lee,Writing,,2026-01-08
005,Alex,Design,60,2026-01-09

Column separator

Comma

Apply to

All columns

Text to find

Design

Replace with

Creative

Case matching

Case sensitive

Example result

Example result
ID	Name	Department	Amount	Date
001	Ada	Creative	120	2026-01-05
002	Sam	Writing	80	2026-01-06
003	Jo	Creative	150	2026-01-07
004	Lee	Writing		2026-01-08
005	Alex	Creative	60	2026-01-09