Fixora.
Find a tool
Check & prepare data · Supporting · Experimental helper

Split CSV into files

Split a CSV into smaller files by row count and download them together in a ZIP.

Private by designYour input stays on your device. Processing happens in this browser.
Your workspace

Start with a file

CSV, TSV, or TXT · UTF-8 only · up to 10 MB. Original text and identifiers are retained; parsing happens when you run. Drop here, or use the file picker.

Paste CSV instead (optional)

Optional alternative to a file. Editing this text removes its selected file; source text is never reformatted during loading.

Leave blank to detect comma, semicolon, tab, or pipe. Otherwise enter one character.
Whole numbers. Minimum 1. Maximum 100000.
Ctrl / ⌘ + Enter to run
Result

A clear result starts here

Run the tool to see your output here.

Try the example to explore how it works.
What to know about this tool

10 MB, 50,000 rows, 200 columns; rectangular CSV with unique nonblank headers. At most 100 parts and 20 MB combined CSV output per ZIP. Headers repeat in each part; potentially executable spreadsheet cells get an apostrophe.

Clear this workspace?

Your inputs, selected files, and current result will be cleared.

Keep the task moving
Explore workflow →
CSV file previewExperimental helperPreview the header and first records of a CSV using quoted-field parsing.CSV column selectorExperimental helperKeep selected CSV columns and arrange them in the order you specify.Merge compatible CSV filesExperimental helperAppend the records of a second CSV to a first file with the same headers.