All about QMD Files

The QMD file type is primarily associated with QGIS/Quarto.

QMD	File extension: QMD
	File type:	multi-purpose file

What is a QMD file

QMD files mostly belong to QGIS/Quarto. QMD files can refer to different file types depending on the software that created them.

QGIS Project Metadata File: Contains configuration details and metadata for a QGIS project. Its content is in HTML format, which helps the GIS software load project settings.

Quarto Markdown Document: A plain text file that mixes markdown with code chunks. It is used in the Quarto ecosystem, often with RStudio, and is geared toward literate programming and dynamic document creation. More details can be found at Posit and Quarto.

Market/Scientific Data File: Stores data used by applications like QuantShare for market data or by scientific tools for quantitative microbial information. Such files are structured for specific data analysis tasks. See QuantShare for reference.

FilExt.com tip: To determine how to open your QMD file, check its content. Look for HTML tags that suggest a QGIS metadata file, markdown syntax typical of Quarto files, or a specific data layout for market/scientific datasets.

How can I open a QMD file?

You need a suitable software like QGIS/Quarto to open a QMD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your QMD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a QMD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online QMD Text Viewer

Choose your .qmd file to view

or drag and drop it here

Online File Viewer

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How to extract texts from QMD files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from QMD file or capture a preview screenshot using our online QMD file viewer:

To do so, click the "Choose your .qmd file to view" button above.
Your QMD file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Download the converted file.

Programs that open and convert QMD files:

QGIS/Quarto
See the previous paragraphs to learn more about the main application. QMD files are often referred to as QGIS/Quarto gis because this type of file is primarily created or used by this software.
Quicken (Windows ver 5, 6 Data File) by Intuit Inc.

QMD format details:

To view or edit QMD files you need to know the file format, because it determines how the data in this file is stored. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. File extension, signature and file format must match; otherwise errors will occur when the file is opened. So you need a detailed analysis of a file to find out the format and the associated program. Below is our analysis of the QMD files:

The QMD file extension is quite widespread and is used by different programs with different formats. But the following two file formats are common:

50% of all QMD files belong to QGIS MetaData. The files are using the common file format HTML. HTML is short for HyperText Markup Language. It is the standard markup language for documents designed to be displayed in a web browser. The contents of these files are easily readable with a text editor. QMD files can be up to 6 KB in size, but are often around 660 bytes - 3 KB. The file type was created recently. The following keywords are characteristic: qgis version, <!DOCTYPE qgis PUBLIC 'http://mrcc.com/qgis.dtd' 'SYSTEM'>, <parentidentifier></parentidentifier>, <language></language>, type, <identifier></identifier> and dataset. Files like these are about area, metadata, zones, povrchov, points, data, mapa, boundaries, metadatos, boundary, survey, model, nord and zone.
25% of all QMD files have the same signature --- . These files are text files and can therefore be read using a text editor. The file size is in the range of 1 KB to 22 KB. The files contain the following words: title, author, html, format, true and editor. Such QMD files store data about assignment, project, template, analysis, week and solutions.

All other QMD files (25%) have different formats, frequently e.g. QMD, puid, title, QBASEOSTREAM and TCJ. Tagged as report, lecture, quarto, presentation, homework or intro. Drag & drop your file here to see the file format and a preview of your QMD file!

Technical Data for QMD File Extension

File classification:

GIS

Related files:

qgs, qgz, md, rmd, qmod, cpg, prj, qmg, dbf, txt, zip, png, pdf, exe, hif, vmb, qch, csv

Mime type:

text/x-gfm

a qmd multi-purpose file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with QMD files

Associate the QMD file extension with the correct application.
Update your software that should actually open multi-purpose files. Because only the current version supports the latest QMD file format. Search, therefore, e.g. on the manufacturer website after an available QGIS/Quarto update.
To make sure that your QMD file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .QMD file online - secure, fast, and no downloads needed.