Spreadsheet tools
Each one does the job on its own page, with no account. They all run on the same engine, so a fix to one is a fix to all of them.
Free, no account
Convert between formats, combine sheets, drop blank and duplicate rows. Download included.
Up to 50,000 rows. Upload a longer file and the free version processes its first 50,000 rows — that is what you can download from these tools.
Remove Duplicates from Excel or CSV
FreeFind exact duplicates, and the near-duplicates Excel misses.
Convert CSV to Excel
FreeTurn a CSV into a proper .xlsx workbook.
Convert Excel to CSV
FreeTurn a workbook, or one of its sheets, into a clean CSV.
Combine Excel Sheets Into One
FreeStack every sheet of a workbook into a single table.
Free to run and preview
These do the harder work — cleaning, deduplicating, merging and matching columns, extracting tables. We process your whole file and show you the result for nothing; downloading it is part of the paid product.
Merge CSV Files Online
Combine multiple CSV files into one clean file.
Merge Excel Files Online
Combine multiple Excel workbooks into one clean file.
Clean a CSV File Online
Fix the formatting, duplicates and stray spaces automatically.
Clean an Excel File Online
Fix the formatting, duplicates and stray spaces automatically.
Compare Two Excel Files
See exactly what changed between two versions.
Convert Date Formats in Excel or CSV
Make every date in a column look the same.
Split Full Names Into First and Last
Turn one name column into first, middle and last.
Convert a PDF Table to Excel
Extract tables from a PDF into a real spreadsheet.