A line-numbering tool tuned for sentence-per-line input
Under the hood this shares the Add counters op - it finds every non-blank line and prepends `N. ` (or Roman / letters) in reading order. Blank lines pass through without consuming a counter, so paragraph spacing is preserved.
It does not detect sentence boundaries within a single line. If you paste `One. Two. Three.` as one line, you get `1. One. Two. Three.` - not three numbered sentences. Split first with Add line breaks or manually hit Enter at each period.
Use this page when the content unit is a sentence; use Enumerate paragraphs when blank-line-separated chunks are the unit; use Add counters when you just want line numbers regardless of content type.
How to use enumerate sentences
- 1Put each sentence on its own line (split first if needed)
- 2Paste into the input panel
- 3Pick Style: Numeric, Roman, or Letters
- 4Set Start at to change the opening count
- 5Toggle Zero-pad or Reverse for alignment / countdown
Keyboard shortcuts
Drive ListShift without touching the mouse.
What this tool actually does
Same line-counter op as Add counters, framed for sentence-per-line input.
Numbers non-blank lines only
Blank lines pass through without consuming a counter. Useful if your sentences have extra spacing between them.
Does not split by punctuation
Period, `!`, `?` inside a single line do not trigger a new counter. Pre-split via Add line breaks if your input is one continuous paragraph.
Three counter styles
Numeric (`1, 2, 3`), Roman (`I, II, III`) for legal-style enumeration, Letters (`A, B, C`) for list items up to 26 (then `AA, AB, …`).
Zero-pad and Reverse
Zero-pad (numeric only) widens numbers to the count of non-blank lines - `1..12` becomes `01..12`. Reverse counts down to the first sentence.
Custom start
Start at accepts any positive integer, useful when continuing numbering from a previous document.
Worked example
Input already split: one sentence per line. Default numeric style.
This is the first sentence. Here is another sentence. Finally, this is the last sentence.
1. This is the first sentence. 2. Here is another sentence. 3. Finally, this is the last sentence.
Settings reference
How each option shapes the output using the sample above.
| Setting | What it does | Effect on the sample |
|---|---|---|
| Style: Numeric (default) | `1., 2., 3.` | `1. This is the first sentence.` / etc. |
| Style: Roman | `I., II., III.` | `I. This is the first sentence.` / etc. |
| Style: Letters | `A., B., C.` | `A. This is the first sentence.` / etc. |
| Start at: 5 | Counting starts at 5 | `5. This is the first sentence.` / `6. …` / `7. …` |
| Reverse: on | Counts down from highest | `3. This is the first sentence.` / `2. …` / `1. …` |
| Zero-pad: on (numeric only) | Matches the longest width | 4+ sentences: `01, 02, …` kicks in at 10+ |