OPML Formatter

Beautify, format and minify your OPML outlines with ease and security.

0 chars

Drop your OPML files here

Accepts .opml, .xml, .txt

Indentation:

Professional Online OPML Formatter & Beautifier

OPML (Outline Processor Markup Language) is a powerful XML-based format for outlines. Whether you're managing RSS feeds, task lists, or complex information hierarchies, our Online OPML Formatter provides a clean and secure way to format your data.

Smart Formatting

Optimized for OPML structures, ensuring consistent indentation for nested outline elements.

Private & Secure

Client-side processing means your OPML outlines never leave your browser.

Instant Minify

Reduce OPML file size instantly for efficient storage and transmission.

Key Features of our OPML Tool

  • Beautify OPML: Transform compact OPML into readable, well-indented outlines.
  • Minify OPML: Remove unnecessary whitespace and comments to compress your OPML files.
  • Syntax Validation: Detect structural errors in your OPML data in real-time.
  • File Support: Upload .opml files directly or use drag and drop for convenience.