Need a messy spreadsheet cleaned?
Upload an Excel file, CSV, screenshot, or export. Preview a cleaned sample first. Free preview. Pay only to unlock the finished file.
Drag & drop your file or screenshot, or browse
Accepts .xlsx, .xls, .csv, .png, .jpg, and .pdf · up to 50 MB
Tip: upload the actual spreadsheet file, not Excel temporary files that start with ~$.
Free scan + cleaned sample. No charge to preview.
No signup. Original file unchanged. View Trust & File Handling
On mobile, screenshots and CSVs work best. Larger Excel files are easier from desktop.
Not ready to upload? See a Sample Cleanup
- 1Upload your file
- 2Preview the cleanup
- 3Download the finished file
See cleanup options · Free preview. Pay only to unlock the finished file.
File
leads_q3.xlsx
1,248 rows · 8 columns
Cleanup
| jane DOE | Jane@Email .com |
| john smith | john@@mail.com |
| MARY Johnson | mary.j@biz |
| empty |
| Jane Doe | jane@email.com |
| John Smith | john@mail.com |
| Mary Johnson | mary.j@biz |
Free preview first. Full cleanup only if it helps.
Upload your file to see an issue summary, duplicate groups, blank rows, sample cleaned rows, and cleanup notes. If the preview looks useful, unlock the full cleaned file and change report for $4.99.
Built for the moment when the spreadsheet has to be right.
Whether you're sending a report, uploading a CSV, cleaning a client file, or fixing a messy list, Clean That Sheet helps you move faster without staring at rows for another hour.
Built for
Built for business professionals cleaning real spreadsheet messes.
Clean That Sheet is made for analysts, bookkeepers, admins, operators, founders, finance teams, and spreadsheet-heavy professionals who need to clean files before sending, importing, merging, or reporting.
- Analysts
- Bookkeepers
- Admins
- Operators
- Founders
- Finance teams
- Spreadsheet-heavy workflows
How Clean That Sheet works
A finished file, not a conversation. General AI tools can help you think through a spreadsheet problem. Clean That Sheet is built to help you finish the urgent, repeatable cleanup job.
- Step 1
Upload
Drop in a spreadsheet, CSV, screenshot, or PDF.
- Step 2
Preview
See what CTS would clean before you commit.
- Step 3
Download
Get a cleaned copy when it looks right.
Preview before you pay
How a general chat tool compares to Clean That Sheet for the same cleanup job.
With a chat tool
With Clean That Sheet
Explain the problem and write prompts
Upload the file
Clarify what should be cleaned
Preview what CTS would clean
Check whether the output is usable
Download a cleaned copy
Figure out what changed
Get a Change Report
No prompts. No back-and-forth. Get your file ready before you import, merge, send, or submit it.
What Clean That Sheet actually does
Built for messy real-world files. If it has data in it, there is a good chance we can help.
Supported files
- Excel files (.xlsx, .xls)
- CSV exports
- Screenshots (.png, .jpg)
- PDF report tables
Common cleanup outcomes
- Duplicate rows removed or flagged
- Blank rows and empty columns cleared
- Dates and number formats standardized
- Extra spaces and casing cleaned up
- Invalid emails and obvious errors flagged
- Original structure and headers preserved
- Preview flags messy cells before payment.
- Duplicates, blanks, formatting issues, and invalid emails are easier to spot.
- You decide whether the cleanup is worth unlocking.
- Tested on messy exports, contact lists, transaction sheets, and screenshot cleanups.
See the difference.
The same file. Before and after.
| Name | Joined | |
|---|---|---|
| jane DOE | Jane@Email .com | 1/3/24 |
| john smith | john@@mail.com | March 4 |
| MARY Johnson | mary.j@biz | 2024/03/12 |
| empty | empty | |
| jane doe | jane@email.com | 01-03-2024 |
| name | joined | |
|---|---|---|
| Jane Doe | jane@email.com | 2024-01-03 |
| John Smith | john@mail.com | 2024-03-04 |
| Mary Johnson | mary.j@biz | 2024-03-12 |
Summary
Clean Excel and CSV Files Fast
Clean That Sheet is a simple spreadsheet cleaning tool for people who need to fix messy Excel files, CSV uploads, contact lists, reports, product sheets, and exported data without manually editing every row.
Fix Common Spreadsheet Problems
Use Clean That Sheet to help remove duplicate rows, standardize formatting, clean column names, trim extra spaces, organize messy data, and prepare spreadsheets for work, reporting, upload, or analysis.
Built for Anyone Who Works With Messy Data
Whether you are cleaning sales reports, vendor lists, customer exports, inventory files, marketing data, or personal spreadsheets, Clean That Sheet helps you get your sheet together faster.
Popular spreadsheet cleaning tools
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- Free online spreadsheet cleaner
Want cleaner files with less work?
Get occasional updates as Clean That Sheet adds more ways to fix messy spreadsheets.
Frequently asked questions
Everything about cleaning your sheet.
Simple pricing.
Free scan and cleaned sample. Pay only when you want the full cleaned file.
Spreadsheet Cleanup
Free preview. Pay only to unlock the finished file.
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