String Repeater

Repeat any text string a specified number of times with a custom separator. Generate repeated patterns, test data, and filler text instantly.

String to Repeat
Times
Separator

Frequently Asked Questions

The tool supports up to 1,000 repetitions. For very large outputs (e.g., 1,000 × a long paragraph), the result can be several megabytes of text. The browser can handle this, but copying and pasting extremely large outputs may be slow.
Yes. The input textarea accepts multi-line text. The entire block (including newlines) is treated as a single unit that gets repeated. Each repetition is separated by your chosen separator.
Common use cases include: generating test data (e.g., 100 copies of a CSV row template), creating repeated CSS patterns, stress-testing character limits in UI components, generating divider lines (e.g., - × 80), and padding SQL INSERT statements.
The separator is inserted between each repetition but not before the first or after the last. For example, repeating "abc" 3 times with comma separator gives: abc, abc, abc. With no separator: repetitions are concatenated directly: abcabcabc.
Most languages have built-in string repetition: Python uses "abc" * 3; JavaScript uses "abc".repeat(3); PHP uses str_repeat("abc", 3); Ruby uses "abc" * 3.
Creating divider lines (- repeated 80 times); generating test data (100 copies of a JSON object); padding strings to a fixed width; building ASCII art borders; creating bulk SQL values (?, repeated N times); and filling placeholder content in design mockups.
Yes. You can repeat any whitespace character including spaces, tabs, or newlines. For example, entering a single space and repeating it 20 times gives 20 spaces — useful for aligning columns in plain text output.
Repeat a single character or short pattern: = × 60 for a section divider; * × 40 for a banner separator; -+- × 20 for a decorative border. Use No separator to join repetitions without gaps.
JavaScript's Array.fill().join() approach used here is efficient for up to 1,000 repetitions of typical strings. The limiting factor is output size in the DOM — displaying many megabytes of text in a textarea can cause the browser to slow down.
This tool allows up to 1,000 repetitions. If you need more, consider Python ("x" * 10000) which has no practical repetition limit other than available memory.

About This String Repeater

This free string repeater duplicates any text a specified number of times, with a configurable separator between repetitions. Enter a string, set a repeat count and delimiter, and copy the result instantly.

When to use this tool

  • Generating test input with repeated patterns
  • Creating separator lines or dividers of a specific character length
  • Building repeated SQL VALUES or placeholder clauses
  • Filling a text field with a repeated pattern for load testing

Standards & References

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