Free online MM to OPML converter
How to convert FreeMind MM mind map files to OPML outlines using FreeMind or Freeplane.
Convert MM to OPML online - free
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Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
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Upload your .mm file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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Perform .mm to .opml conversion
After successful file upload, click to convert when you are ready.
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Download converted .opml file
Conversion result is ready to download.
How to convert mm to opml file
- Mind maps and flowcharts
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1yr
Understanding MM and OPML file formats
MM files are created by FreeMind, a popular open-source mind mapping tool. These files store mind maps in an XML-based format, allowing users to visually organize ideas, tasks, and concepts. OPML (Outline Processor Markup Language) files are also XML-based and are widely used for exchanging outline-structured information, such as RSS feed lists or hierarchical notes, between different applications.
Why convert MM to OPML?
Converting an MM file to OPML format is useful when you want to transfer your mind maps into other outliner tools, note-taking apps, or RSS readers that support OPML. This ensures your structured data remains accessible and editable across various platforms.
Best software for MM to OPML conversion
The most reliable way to convert MM to OPML is by using FreeMind itself, as it natively supports exporting mind maps to OPML format. Here’s how you can do it:
- Open your MM file in FreeMind.
- Go to File → Export → Using XSLT.
- Select opml.xsl as the export template.
- Choose your destination and save the file with an .opml extension.
Alternatively, you can use Freeplane, a fork of FreeMind, which also supports OPML export via File → Export → OPML.
Online converters
There are limited online converters for MM to OPML due to the specialized nature of mind map files. However, some online mind mapping tools like MindMeister allow you to import MM files and then export them as OPML.
Summary
To convert MM files to OPML, use FreeMind or Freeplane for the most accurate results. This enables seamless migration of your mind maps to other outliner or note-taking applications.
Note: This mm to opml conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
MM vs OPML: format comparison
How the MM and OPML formats compare on the properties that matter most for this conversion.
| Property | .MM FreeMind Mind Map | .OPML Outline Processor Markup Language |
|---|---|---|
| Open standard | Partly open | Yes |
| Compression | Uncompressed | Uncompressed |
| Typical file size | Small | Small |
| Opens in a web browser | No | Yes, natively |
| Further editing | Easy | Easy |
| Metadata support | Basic | Basic |
| Plain-text readable | Yes | Yes |
| Best used for | Editing and post-production | Data exchange |
| Introduced | 2000 | 2000 |
| Developer | FreeMind community | UserLand Software |
| MIME type | application/x-freemind | text/x-opml |
Frequently asked questions
Is the MM to OPML converter free?
Yes, converting MM to OPML on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my MM file be?
You can upload MM files up to 50 MB and convert up to 20 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert MM to OPML?
No. The MM to OPML conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid MM file for this MM to OPML conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.