Clean
FREE
Spreadsheet cleanup, without the wait

Drop the mess.
Download the clean.

Upload a spreadsheet and SheetSweep fixes duplicates, empty rows, stray spaces, contacts, dates, names, and statuses—then shows you exactly what changed.

Processed in your browser
CSV, TSV, and Excel supported
Clean file + change log
Start a cleanUp to 4 MB

Bring us the ugly file

Drag in a CSV, TSV, XLSX, or XLS file. Nothing leaves this page while it’s being cleaned.

Tip: drag & drop a file right onto the panel · Ctrl+Z undoes any fix

Free · unlimited sweeps · files up to 4 MB
Private by design — your files never leave this browser tab.
By cleaning a file you agree to our .

How a sweep works

Three steps, all in your browser. Nothing ever uploads.

1Drop your fileCSV, TSV, XLSX, or XLS — up to 4 MB, straight from your computer.
2Review what changedSheetSweep flags duplicates, empty rows, and sketchy cells — and tells you exactly why, in plain words.
3Download the clean fileFix, keep, or clear each flagged item, then take the cleaned file plus a change log.

Bulk cleaning

PRO

Pro tool preview · up to 20 files · 4 MB per file

Preparing your files…

Your batch is clean

Cleaned files, byte-identical originals, and one combined change log are ready.

CSV
messy-customers.csv
0 rows · 0 columns

Cleaning pass

Tap any rule to include or exclude it.

Free · unlimited sweeps · files up to 4 MB

Preview

Showing the first 8 rows.

0data rows
0columns
0issues found
0duplicate rows

Your sheet is clean

Finished locally in your browser.

0rows removed
0cells standardized
0clean rows ready