Unique Lines
Deduplicate lines.
How to use Unique Lines
Unique Lines — Drop duplicate lines and keep the first copy in its original position. Free to use in D2i DevTools — no account required.
Steps
- Fill in Input. This field is required.
- Click Run and copy the result under the form.
Frequently asked questions
What is Unique Lines used for?
Use it to clean a list of ids, hosts, or emails without sorting.
How do I use the free online Unique Lines tool?
Fill in Input. This field is required. Click Run and copy the result under the form.
What can I paste or upload into Unique Lines?
Paste one item per line. Comparison is exact, including spaces and case.
What output does Unique Lines give me?
The first occurrence of each distinct line, in the order they appeared.
Is Unique Lines free, and is my input private?
Yes — Your input is processed in memory for this request only. It is not saved to disk or the database, and it is cleared after the tool finishes.
Why are Hello and hello both kept?
Uniqueness is case-sensitive. Lowercase the text first if you want case-insensitive duplicates removed.
Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.