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OPML Converter

Convert OPML markup documents to a variety of formats, edit and optimize documents online and free.

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Outline Processor Markup Language (.opml)

OPML, or Outline Processor Markup Language, is a file format utilized primarily for outlining data structures. Initially developed in 2000 by UserLand Software, OPML was designed to facilitate the exchange of outline-based information between different software applications. Its uses have expanded over time, notably in organizing RSS feed lists and managing hierarchical data. The OPML file extension denotes XML-based documents that offer simplicity and interoperability in transferring structured information across diverse platforms. In essence, OPML serves as a versatile tool in the realm of data organization and syndication.

More About OPML

How to convert OPML?

  1. Upload OPML File

    Upload a OPML markup document by selecting the Choose File option.

  2. Choose Output Formats

    Select the required output format to convert your OPML markup document.

  3. Convert & Download

    Let the process complete, then download the file from the page.

OPML Converter

Convert OPML on Desktop

(macOS • Windows • Linux)

Begin conversion by preparing OPML markup document with Vertopal CLI installed on your system.

  1. Open the Terminal application on your system.
  2. Navigate to the OPML file directory or specify its path.
  3. Execute the command after entering your file path in place of OPML_INPUT_FILE. $ vertopal convert OPML_INPUT_FILE --to output_format

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