Free online tool to view R (.r) file source code with syntax highlighting.
How to Use the R File Viewer
- Click the "Browse Files" button or drag and drop your R (.r) file into the designated area
- Wait for the file to load (it processes locally in your browser)
- View the syntax-highlighted R code in the viewer
- Scroll through the code to analyze it
- Select and copy any portion of the code as needed
Benefits of Using This Tool
- Privacy focused - Files never leave your computer
- Syntax highlighting - Easier to read and understand R code structure
- No installation - Works directly in your web browser
- Works offline - After loading the page, no internet needed
- Free to use - No registration or payment required
- Supports large files - View files up to several megabytes
Frequently Asked Questions
Is my R file uploaded to a server?
No, all processing happens locally in your browser. Your files never leave your computer, ensuring complete privacy.
What file types are supported?
This tool supports R files with .r extensions. It doesn't support other file types like .RData, .Rmd, or .txt files.
Is there a file size limit?
The practical limit depends on your browser and computer memory, but most modern browsers can handle R files up to several megabytes without issues.
Can I edit the R code in this tool?
Currently this is a viewer only. For editing capabilities, you would need RStudio or another R IDE. However, you can select and copy the code to your clipboard.
Does this tool execute R code?
No, this is a viewer only. To execute R code, you need to install R or RStudio on your computer.