TtFree
Duplicate line report
Find repeated lines and their original line numbers.
Find repeated lines and their original line numbers. Report each repeated line with its occurrence count and original one-based line numbers. Matching keeps whitespace and letter case significant and leaves the input order unchanged.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Input: a b a
Example result
[
{
"text": "a",
"count": 2,
"lines": [
1,
3
]
}
]Limitations and details
Only exact line matches are grouped; visually similar lines with different spacing remain separate.
Inputs and options
- Input
- Text
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.