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Word Counter
Count segmented words, Unicode characters, lines and paragraphs locally.
Open toolRemove Duplicate Lines
Keep the first occurrence of each line with explicit comparison rules.
Maximum 200,000 characters. Input is not stored.
Ready. Use Ctrl/⌘ + Enter to run.
Completed and failed run counts are stored only on this device.
How to use this tool
Choose exact, trimmed or case-insensitive comparison. Run to preserve the original text of each first matching line.
Supported input and limits
Line endings normalize to LF. Trim mode affects comparison only. Case-insensitive comparison does not also trim; repeated blank lines collapse to one.
Frequently asked questions
Are lines sorted?
No. First occurrence order is retained, including the original spacing of retained lines.
Is my input uploaded?
No. Processing happens in a disposable worker on your device. Only local success/failure counts are saved; input is never stored.
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