Excel & CSV Tools
CSV Splitter
Break a large CSV into smaller row-based files.
Free Excel & CSV Tools
Free online spreadsheet tools to generate Excel formulas, remove duplicates, compare workbooks, split large CSV files, and clean messy data.
- Runs in your browser
- No account required
- Mobile friendly
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Frequently asked questions
Yes. Download your sheet as XLSX or CSV, process it here, then import the result back into Google Sheets.
.xlsx, .xls, and .csv files are supported across the Excel and CSV tools.
No. All processing runs in your browser.
Yes. Every Excel & CSV Tools page is free in your browser, with no account required.
No downloads needed. Open the tool on your phone or computer and follow the steps on the page.
Yes. The site is mobile-first. A larger screen is nicer for multi-file PDFs, but every page is usable on a phone.