METS File Extension

The METS file extension was created by Metadata Encoding and is also known as the Metadata Encoding and Transmission Standard. METS is classified as a Misc Files and You can open METS files in Microsoft Notepad program.

Metadata Encoding and Transmission Standard File Type

Metadata Encoding and Transmission Standard File Type
Extension .mets
Developer Metadata Encoding
Popularity 5.0 (5 Votes)
Mime Type application/mets+xml
Default Program Microsoft Notepad
Category Misc Files
Format Not Available
Updated 7/1/2025

What is a METS File Type?

Free Online METS Tools & Apps

Access powerful and secure free online METS tools to convert, view, edit, merge, split, and compare METS files — all without installing any software. Our tools support the .METS (Metadata Encoding and Transmission Standard) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your METS files directly from your device with ease.

METS Files Common Issues

There are few common issues with the Metadata Encoding and Transmission Standard .METS File Extensions while opening the .METS files on Windows and MacOs, we have solution to those issues such as:

Can't Open METS Files?

  1. You must have supported software programs installed for Metadata Encoding and Transmission Standard on your system such as Microsoft Notepad.
  2. Associate default Microsoft Microsoft Notepad program for *.mets (Metadata Encoding and Transmission Standard) files.


All Platform Software Programs for METS File Extension

List of all softwares that can open the METS files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open METS File on Windows

Software License Developer
Microsoft Notepad image. Microsoft Notepad 1903 for Windows Bundled Microsoft
Notepad++ image. Notepad++ 6 for Windows Freeware Notepad Plus Plus

MacOs logo image - FileProInfo.comOpen METS File on Mac OS

Software License Developer

Linux logo image - FileProInfo.comOpen METS file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen METS file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen METS file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen METS file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

METS file extension icon image.About METS - Metadata Encoding and Transmission Standard

FileProInfo is to help you understand about the Metadata Encoding and Transmission Standard with *.METS suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for METS. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for METS, please let us know.

Updated 7/1/2025