Free Online OPML Minifier & Compressor
Compress OPML markup by stripping unnecessary whitespace, comments, and line breaks. Our OPML Minifier reduces file sizes for faster transfers and efficient storage of RSS feed subscription outlines.
Key Features of Our Online OPML Minifier
Whitespace Removal
Strips out extra spaces, indentation, and newlines between outline tags.
Syntax Validation
Verifies OPML/XML tag integrity before compressing to prevent broken output.
Beautify Option
Convert compressed OPML back into formatted, human-readable layout anytime.
100% Client-Side Processing
Your RSS feeds and outline data remain secure inside your browser.
How to Use the OPML Minifier
- Paste OPML markup into the left input area.
- Click "Minify OPML" to compress indentation and line breaks.
- View the optimized single-line OPML string in the right box.
- Click "Copy Result" or "Download" to save your file.
Frequently Asked Questions (FAQs)
Will minifying an OPML file remove my RSS URLs?
No. Minification only removes structural whitespace and comments. All outline node attributes and URLs remain untouched.
Is my OPML data saved on any server?
No. All minification takes place client-side in your local browser.