Vertopal — Free Online Converter
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Convert OPML to CALS

Convert OPML markup documents to CALS format, edit and optimize documents online and free.

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Outline Processor Markup Language (.opml)

OPML Converter

Continuous Acquisition and Life-cycle Support Type 1 Image (.cals)

CALS Converter

How to convert OPML to CALS?

  1. Upload OPML File

    Select a OPML markup document from your computer, or drag & drop it on the page.

  2. Select OPML Tools

    Use any available convert tools on the preview page, and click Convert.

  3. Download Your CALS

    Let the file convert, then you can download your CALS file right afterward.

Convert OPML to CALS

Frequently Asked Questions

How to change OPML format to CALS?

To change OPML format to CALS, upload your OPML file to proceed to the preview page. Use any available tools if you want to edit and manipulate your OPML file. Click on the convert button and wait for the convert to complete. Download the converted CALS file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert OPML to CALS 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 cals

Convert OPML to CALS 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 cals

Convert OPML to CALS 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 cals

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