File Splitter

Split CSV and Excel files into smaller files, or reorganize their columns.

Drop your file here

or click to browse

Supports Excel (.xlsx) and CSV files

Selecting a file uploads it to read its columns and row count.

Your output

Preview before you split

Add a CSV or Excel file. Review its structure, choose a split, and check the output before downloading.

Split files
Divide a large file into smaller batches of rows.
Split a column
Rearrange one long column into several shorter columns.

About File Splitter

How do I split a large CSV or Excel file?

File Splitter cuts a CSV or Excel file into smaller files by row count, with the header repeated in each, and returns them as a ZIP. It can also split one long column into several columns. Upload files up to 50 MB and 1,048,576 rows. Useful when a marketplace or registrar caps bulk uploads.

How to use it

  1. Upload an .xlsx or .csv file.
  2. Choose a mode: split into files by rows, or split one column into several columns.
  3. Set the rows per file or per column, and whether to keep headers.
  4. Complete the quick verification and download the result.

Data and limits

Limits
50 MB, 1,048,576 rows, and 2,000,000 cells. Only the first worksheet is read. Up to 1,000 output files.
Privacy
The file is uploaded to Toyroom’s server and processed in memory.
Cost
Free. No account.

Questions

Can I split an .xls file?

Not directly. Save it as .xlsx or .csv first.

Does each file keep the header row?

Yes, when Keep header in each file is on.