Standard Windows Notepad has no built-in way to repeat text. The free Notepad++ does — with macros that record and replay your keystrokes.
Windows Notepad is intentionally minimal. There's no macro recorder, no scripting, no REPT-like function. Your only options are copy-paste or upgrade to a more capable editor.
If you have Notepad++ (free, Windows):
This produces N copies of your text, each on a new line.
Modern editors have a faster method: multi-cursor selection.
Most people just want a long repeated string once. Our browser-based repeater takes 5 seconds — type, set count, copy, paste into Notepad. No macros to record, no editors to install.
In Notepad++, no — macros replay exact keystrokes, they don't count. Use the Column Editor (Edit → Column Editor → Number to Insert) to add sequential numbers to selected lines.
macOS Notepad is called TextEdit, and it also has no repeat function. Use BBEdit (free for basic features) or our online tool.
Yes — same macro method, just select multiple lines before recording. The macro will play back all the keystrokes including the line breaks.
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Plain Windows Notepad cannot repeat text on its own — there is no REPT function or macro. The manual method is to copy your text once, then press Ctrl+V repeatedly, doubling the selection each time (copy the two, paste to get four, and so on) to grow it quickly.
If you use Notepad++, record a macro (Macro → Start Recording), paste your text once, stop recording, then use Macro → Run a Macro Multiple Times to repeat it any number of times. Its column-edit mode (Alt+drag) is also useful for building repeated blocks.
For anything more than a few copies, generating the text in the repeater and pasting the result into Notepad is far faster: set the count, choose New line or another separator, and copy. For an exact file size, the stress test generator produces 1 KB to 10 MB precisely.