Convert text between LF, CRLF, and CR line endings when a file needs a consistent newline format. FreeProKit’s Line Ending Converter is useful for source code, configuration files, scripts, exported text, and cross-platform workflows where invisible end-of-line characters can create noisy diffs or compatibility problems. Enter, paste, or upload the text, choose the available target line ending, run the conversion, and download the result. JavaScript is required, and FreeProKit states that uploaded files are processed in your browser unless a tool clearly identifies a live server check.
What Is a Line Ending Converter?
A line ending converter changes the invisible characters that mark the end of each line in plain text. FreeProKit supports the three common forms LF, CRLF, and CR.
The visible words can stay exactly the same while the file changes underneath. That is why newline differences can affect source control, scripts, parsers, editors, and file compatibility even when the text looks normal on screen.
LF vs CRLF vs CR
LF (Line Feed)
LF is U+000A and is commonly written as \n in programming contexts. It is the standard newline style in Unix-like text workflows.
CRLF (Carriage Return + Line Feed)
CRLF combines carriage return and line feed, commonly written as \r\n. It is widely associated with Windows text-file workflows.
CR (Carriage Return)
CR is U+000D and is commonly written as \r. It was used as a newline convention in some older systems, including classic Mac environments.
How to Convert Line Endings
- Open Line Ending Converter and enter, paste, or upload your text.
- Choose LF, CRLF, or CR as the target line-ending style available in the workspace.
- Run the converter.
- Review the result or any technical limitation shown by the tool.
- Copy or download the converted text.
- Test the result in the destination editor, repository, script, or application when compatibility matters.
Why Line Endings Matter
A visible line break can be represented by different underlying control characters. Two text files may look identical in an editor and still differ at the byte level because one uses LF and the other uses CRLF.
That can create a full-file Git diff, cause a strict parser to reject a file, or make shell scripts and configuration files behave differently after moving between environments.
CRLF to LF for Git and Cross-Platform Projects
Line-ending changes are a common source of noisy version-control diffs. If a repository expects LF but a file is saved with CRLF, Git can show changes on many or all lines even when the visible content barely changed.
Converting an existing file can fix the immediate mismatch, but a team should also consider repository-level rules. Git supports line-ending normalization through .gitattributes, including eol=lf and eol=crlf settings for text files.
After conversion, review the Git diff before committing so you can confirm that the change is only the intended newline normalization.
Line Endings Are Not Character Encodings
LF, CRLF, and CR describe newline characters. UTF-8, UTF-16, and other encodings describe how text characters are stored as bytes. They solve different problems.
FreeProKit’s public page does not document encoding conversion or BOM handling, so use Line Ending Converter specifically for newline normalization rather than assuming it converts one character encoding into another.
Line Endings vs Other Whitespace
If your text still looks wrong after newline conversion, the problem may involve tabs, spaces, blank lines, or wrapping rather than the end-of-line sequence.
Use the Whitespace Visualizer to make spaces, tabs, and line endings visible. Use the Tabs & Spaces Converter when indentation needs to move between tabs and spaces.
Wrapping, Splitting, and Blank Lines Are Separate Operations
Use Text Wrap at Column when long plain-text lines need a maximum width. Use the Text Join & Split Tool when you need to join lines with a delimiter or split delimited text into separate lines.
If the issue is extra vertical whitespace, use the Empty Line Remover to remove all blank lines or collapse repeated blank lines while preserving the remaining text.
When Should You Convert Line Endings?
- A repository or coding standard expects LF or CRLF.
- A script behaves differently after moving between operating environments.
- A text export must match the newline convention expected by another application.
- Git shows a full-file diff caused by a newline-style change.
- Legacy text uses CR-only line endings.
- You need a consistent newline format before continuing other text processing.
Continue Editing After Newline Conversion
Once the newline style is normalized, you may still need to clean or transform the text.
Use Add Prefix / Suffix to Lines when each line needs a reusable wrapper, or Remove Duplicate Lines when repeated lines should be removed while preserving the first occurrence.
For general writing, formatting, counting, copying, and downloading, continue in the Online Text Editor.
Privacy and Browser Processing
Line Ending Converter requires JavaScript. FreeProKit states that uploaded files are processed in the browser unless a tool clearly identifies a live server check. The Line Ending Converter page is presented as a browser text utility and does not identify itself as a live website or domain check.
Important Limitations
- The live page supports LF, CRLF, and CR conversion but does not document automatic mixed-ending detection.
- Character-encoding conversion is not documented.
- BOM preservation or removal is not documented.
- Binary-file support is not documented; the tool is described as a text converter.
- The page does not state whether a trailing final newline is added, removed, or preserved.
- Maximum input or upload size is not documented publicly.
- Git repository policy should be handled with Git configuration or .gitattributes when ongoing normalization is required.
Frequently Asked Questions
What line endings can FreeProKit convert?
The live Line Ending Converter page explicitly supports LF, CRLF, and CR. You can convert text between these newline styles and download the resulting text.
What is the difference between LF and CRLF?
LF uses one line-feed character, commonly written as \n. CRLF uses two characters in sequence: carriage return plus line feed, commonly written as \r\n. Both can represent visible line breaks, but their underlying bytes differ.
What is a CR line ending?
CR is a carriage-return character, U+000D or \r. It was used as a line-ending convention in some older systems, including classic Mac text workflows. Modern cross-platform work more commonly encounters LF and CRLF.
Why does Git show every line as changed after moving a file?
A newline-style change can make a file differ byte-for-byte even when the visible text looks almost identical. Git can also normalize line endings through .gitattributes and configuration, so review repository rules before repeatedly converting files by hand.
Does this tool convert UTF-8 to another encoding?
The public FreeProKit page does not document character-encoding conversion. LF, CRLF, and CR are line-ending styles, while UTF-8 and UTF-16 are character encodings. Use the tool for newline conversion, not as an encoding converter.
Can I use the converter to fix mixed line endings?
The public page confirms conversion between LF, CRLF, and CR but does not document automatic detection or reporting of mixed line endings. You can normalize text to a chosen target style, but verify the result when mixed endings are the underlying problem.
How can I see invisible line endings before converting?
Use FreeProKit’s Whitespace Visualizer to make spaces, tabs, and line endings visible for debugging pasted text. That can help confirm whether the issue is newline style or another type of whitespace.
Is my uploaded text file processed in the browser?
FreeProKit states that uploaded files are processed in your browser unless a tool clearly identifies a live server check. Line Ending Converter is presented as a JavaScript browser tool and does not identify itself as a live website or domain check.