Guides to large CSV and Excel files
Practical answers for files that are too big for spreadsheets. Each guide covers the options that work today, including tools other than ours, with honest pros and cons.
All guides
Coming soon
- How to split a CSV into multiple files
- How to merge CSV files
- How to compare two CSV files
Is there a question about big data files you would like answered?
Related tools and guides
- CSV row counterCount the lines in a CSV, TSV or TXT file of any size. Works today.
- Open a CSV that is too big for ExcelSix ways to work with more than 1,048,576 rows, with honest pros and cons.
- The MegaRows toolboxWhat works today and what is coming next, and why nothing is ever uploaded.
Coming soon to MegaRows: Large CSV viewer · Charts with statistics · CSV, Excel, JSON and PDF converters · Split, merge and compare.