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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

    Start uploading a OPML markup document by clicking the Choose File button or drag & dropping your OPML file.

  2. Choose Output Formats

    Choose the destination format from one available in the list.

  3. Convert & Download

    Let the conversion process finish, then download your file.

OPML Converter

Convert Files on Desktop

macOS
Windows
Linux

Convert OPML on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to OPML file location or include path to your input file.
  3. Paste and execute the command below, substituting in your OPML_INPUT_FILE name or path. $ vertopal convert OPML_INPUT_FILE --to output_format

Convert OPML on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to OPML file location or include path to your input file.
  3. Paste and execute the command below, substituting in your OPML_INPUT_FILE name or path. $ vertopal convert OPML_INPUT_FILE --to output_format

Convert OPML on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to OPML file location or include path to your input file.
  3. Paste and execute the command below, substituting in your OPML_INPUT_FILE name or path. $ vertopal convert OPML_INPUT_FILE --to output_format

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