Free · Browser-local tools
Generate a CSV file
Generate repeatable fictional CSV data with typed fields, ranges, dates and choices. Preview, edit, copy and download in your browser.
Generate CSV
Create your test file
Choose your columns and record count. Your fictional data opens in the editor, ready to inspect and download.
- Choose column names and a record count.
- Choose field types, ranges, choices and a repeatable seed in the editor.
- Preview, copy, download or apply the fictional data with undo.
Free · No signup · File contents stay in your browser. Back to page and Resume keep your edits in this tab. Download your edited copy before refreshing; refresh opens the original file. Open files up to 1 GiB with browser storage.
Try a small example
3 records · 3 columns| id | name | amount |
|---|---|---|
| 1 | Example one | 12 |
| 2 | Example two | 24 |
| 3 | Example three | 18 |
Choose the columns and count to begin. In the editor, select field types, ranges, choice lists and a repeatable seed.
Illustrative fictional data. Open the sample to try the tool.
How to generate csv
- 1
Choose column names and a record count.
- 2
Choose field types, ranges, choices and a repeatable seed in the editor.
- 3
Preview, copy, download or apply the fictional data with undo.
What to expect
Generate sample text, names, reserved test emails, IDs, numbers, dates, booleans and choice values. Explicit bounds and seed make examples repeatable; no real personal data or AI is used.
Local files and clear limits
These tools process file contents on your device. The browser workspace accepts files up to 1 GiB and 5 million records, subject to available browser storage and decoded-record limits. This tool's calculations support up to 100,000 records, 2 million cells and 64 MB of text. Download a new copy to keep your result.
Plain answers
Generate CSV questions
What can I do with this generate csv tool?+
Generate sample text, names, reserved test emails, IDs, numbers, dates, booleans and choice values. Explicit bounds and seed make examples repeatable; no real personal data or AI is used.
Does my CSV leave my device?+
File selection, editing and these task operations run in your browser. No account or file upload is required. Download a new copy to keep your result; refreshing restores the original input, not unsaved edits.
Do the editor and task have the same file limits?+
The editor opens files up to 1 GiB and 5 million records, subject to browser storage and decoded-record limits. This task supports up to 100,000 records, 2 million cells and 64 MB of decoded text.