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Number every line — dot, colon or paren

Add numbers to every line with your choice of separator, zero-padding and empty-line skipping.

Browser-based Files never uploaded Completely free

Paste lines, get numbers.

How to Add Line Numbers Online

  1. Paste your lines into the input box.

  2. Set the starting number and separator style.

  3. Toggle zero-padding and empty-line skipping.

  4. Copy the numbered result.

Why Add Line Numbers Here?

Built for speed, privacy and reliability — on any device.

Four Separator Styles

Dot, colon, parentheses or plain space — pick what fits your format.

Zero-Padded Numbers

001, 002, 003 — aligned columns for lists and references.

Empty Lines Skipped

Optionally leave blank lines unnumbered so spacing stays clean.

100% Private, Browser-Based

Numbering runs locally — your text never leaves the browser.

Free, No Sign-Up

No account, no limits.

Line Numbers — Common Questions

Line Numbers Adder

Line Numbers Adder complete!

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