Text Transformers
About Remove Duplicate Lines
Remove Duplicate Lines is a free online text transformer from Toolbench. Delete all repeated lines, keeping the first. Paste your text and the result updates instantly as you type or change the options.
- Category
- Text Transformers
- Price
- Free
- Account
- Not required
- Runs
- Entirely in your browser
How to use Remove Duplicate Lines
- Paste or type your text into the input box.
- Adjust the options (ignore case, ignore surrounding spaces).
- Copy the result, or click “use output” to chain another transformation.
Example
With the default settings, this input:
apple
banana
apple
cherry
bananabecomes:
apple
banana
cherryOptions
| Ignore case | On / off |
|---|---|
| Ignore surrounding spaces | On / off (default on) |
Privacy
Everything runs in your browser: what you type or paste is processed by JavaScript on your device, not on a server. If you are signed out, nothing is saved at all. If you sign in with Google, your inputs and settings are saved privately to your account so they sync across devices.
Frequently asked questions
Is Remove Duplicate Lines free?
Yes. Remove Duplicate Lines is completely free with no sign-up, no usage limits and no watermarks.
Is my data private?
Yes. Remove Duplicate Lines processes everything in your browser. Signed out, nothing is saved; signed in, your inputs sync privately to your own account.
Can I apply several transformations in a row?
Yes. All text transformers share the same input, so you can run one, click “use output” to make the result the new input, then pick another transformer.
Does it work on my phone?
Yes. Toolbench runs in any modern browser on desktop, tablet or phone — there is nothing to install.
Related text transformers
- Insert Symbols Between LettersInsert characters between all letters of every word.
- Add Symbols Around LettersSurround each letter with decorative symbols.
- Remove Empty LinesDelete all blank lines.
- Filter LinesReturn lines that match a pattern or regex.
- Filter WordsReturn words that match a pattern or regex.
- Filter SentencesReturn sentences that match a pattern or regex.
- Filter ParagraphsReturn paragraphs that match a pattern or regex.
- Sort LinesSort lines alphabetically, numerically or by length.
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