FileGizmo — Data & CSV tools
Split a CSV file
Split a large CSV into smaller files by row count or number of parts, entirely in your browser. Download every result together as a ZIP.
Each generated file will contain up to 10,000 data rows plus the header.
Splitting your CSV…
Everything is happening locally in your browser.
Split complete
Your ZIP archive is ready
Simple by design
Split CSV in three steps
Splitting a CSV divides one large table into smaller files that are easier to email, import, review, or process in another application. It is useful when a platform has practical import limits, when datasets need to be distributed in batches, or when a large export is difficult to open on a lower-memory device.
FileGizmo performs the split locally in your browser. Select a CSV, choose a maximum number of rows per file or an exact number of parts, and download all generated files together as one ZIP archive. Your source data is never uploaded or stored remotely.
Every output file repeats the original column headers, so each part remains usable on its own. Quoted commas, multiline cells, semicolon-separated data, and tab-separated files are detected automatically. Rows remain in their original order and are never duplicated between parts. Processing runs in a background browser worker, keeping the page responsive while larger datasets are parsed, divided, and packaged.
- 1
Select or drop the CSV file that you want to divide into smaller parts.
- 2
Choose a maximum row count per file or the number of parts to create.
- 3
Split the data and download every generated CSV together in one ZIP file.
Good to know
Frequently asked questions
Is this CSV splitter free?
Yes. You can split CSV files without an account, watermark, or artificial usage limit.
Is my CSV uploaded to a server?
No. The file is read, split, and compressed locally inside your browser. FileGizmo never receives its contents.
Does every split file include the column headers?
Yes. The original header row is repeated at the top of every generated CSV part.
Can I choose the exact number of output files?
Yes. Choose number-of-parts mode, or use rows-per-file mode when each output must stay below a specific row count.