Convert OPML files online for free
The converter easily converts your OPML file to various formats - free and online. No Excel or extra software needed.
The converter also works in reverse, so you can convert other Text formats to OPML with high quality output.
OPML (Outline Processor Markup Language) files are the standard XML-based format for exchanging structured outlines and RSS feed subscriptions between applications. Originally developed by UserLand Software, these files serve as the backbone for data portability in RSS readers like NetNewsWire and outliners like Dynalist and OmniOutliner.
While .OPML is excellent for machine readability and hierarchy preservation, users often struggle when attempting to view or manipulate this data outside of specialized software. Because it is a raw XML format, opening it in a standard text editor reveals complex tags rather than a readable list, making manual editing tedious and error-prone. Furthermore, many modern productivity tools (like Excel or Notion) may not natively import OPML files, leaving valuable subscription lists or project outlines locked within a specific ecosystem. To unlock this data, users typically convert .OPML to CSV or XLSX for sorting in spreadsheet software, HTML for publishing readable lists on the web, or JSON for developers parsing feed data. For simple archiving without the XML overhead, converting to PDF or Markdown is often preferred.
Use Convert.Guru to open and convert your OPML file.
Users also converted XML, OBML, HTML, RSS, CSV, TXT, PDF, RTF, XMIND, JSON, ZIP, PLIST and XLSX files.
If you want to convert OPML file to CSV, JSON, CSS, JS, PHP, ASP, ASPX or JSP, you can use NetNewsWire or similar software from the "Outline & Feed Exchange" category. In the File menu, look for Save As… or Export….
To convert RSS, CSS, CGI, SITEMAP, PL, WEBMANIFEST, JSON, JS, XML or ICO files to OPML, try NetNewsWire or another comparable tool in the "Outline & Feed Exchange" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our OPML converter.