Data/CleaningLocal only

Whitespace & Line Ending Normalizer

Normalize line endings and whitespace safely (CRLF/LF, trim, remove trailing spaces, collapse blanks).

whitespaceline endingscrlflftrim

⌘⇧CCopy output

Your data stays in your browser — nothing is uploaded.

Input

Size: 144 B

Detected line endings

Mixed (based on input sample)

Lines: 9 • Characters: 144 • Bytes: 144 B

Options

Line endings

Paragraph helpers

Sentence per line (split on . ! ?)Normalize inner spaces (collapse multiple spaces/tabs)Ensure final newline at end of output

Whitespace cleanup

Remove trailing spaces (per line)Trim each line (leading + trailing)

Blank lines

Collapse blank linesMax consecutive blank lines (0–10)

Output

Normalized successfully.

Hello there.
This is a test! Does it split correctly? Yes it should.

Line 1 with trailing spaces
 Line 2 has leading spaces

Line 3

Output stats — Lines: 8 • Characters: 133 • Bytes: 133 B

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What is Whitespace & Line Ending Normalizer?

Whitespace & Line Ending Normalizer is a fast browser-based tool that helps you normalize line endings and whitespace safely (crlf/lf, trim, remove trailing spaces, collapse blanks). It runs locally so your data stays on your device.

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How it Helps

✓Saves time by removing repetitive manual steps.
✓Improves accuracy with consistent output.
✓Works offline-friendly and keeps your content private (local processing).

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Usage Guide

1Paste or type your input into the tool.
2Adjust options or presets if needed.
3Copy or download the output instantly.

Frequently Asked Questions

No. This tool runs locally in your browser and does not upload your input.

No. Presets are saved locally in your browser storage.

Most inputs work well, but extremely large data may be limited by your browser memory.