3 Online MDI To PDF Converter Free Websites

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Here are 3 free online MDI to PDF converter websites. You can add Microsoft Document Imaging (MDI) format file from your PC and then convert it to get output as PDF file. Most of these sites on this list support batch MDI to PDF conversion. Apart from that, you can also set master password for PDF using most of these online MDI to PDF converters.

Apart from this main MDI to PDF converter feature, these sites have other interesting features also. For example, you can add footer and header to PDF, add lock print, copy, and modification protection, compress PDF, create a single PDF for multiple MDI files, merge PDF files, etc.

Let’s check these free online MDI to PDF converters one by one.


Online2pdf.com interface

Online2PDF.com is one of my favorite websites for PDF related tasks. PDF editor, PDF merger, PDF unlock, and other features are present in this website. MDI to PDF converter feature (Homepage) is also present here. There are many useful options present for MDI to PDF conversion which makes it a bit better than others. You can upload multiple MDI files (up to 150 MB and single size limit is 100 MB) and then convert them to a single PDF or multiple PDF files. Apart from that, you can also create a separate PDF for each page of input MDI file.

Before generating the output file, you can also use other options for PDF. For example, you can add header and footer to PDF, set master password, lock PDF modification, printing, and copying, compress PDF by reducing the image quality, etc. Set the options and generate output PDF(s).

This website deletes input items after the conversion and output items after 60 seconds. The time limit is less but you can download the files easily.



Conv2pdf (Homepage) comes with a simple interface where converting MDI to PDF is pretty easy. You can upload a maximum 10 MB MDI file and then start the conversion. Before that, you can also use couple of options for output. You can set master password to open the PDF. Apart from that, it also lets you set other restrictions which include printing, comment inserting, filling comments, modifying the document, extracting and copying comment, etc.

When the file is converted, you can save the output PDF to PC. Or else, you can also send PDF to the email address of your choice. This website removes your input files immediately after conversion and output files are available to download for 15 to 20 minutes only. So, you should download the output within that time period.


Zamzar MDI to PDF converter

You might already know about Zamzar website. It is one of the popular file conversion websites which supports hundreds of formats. MDI to PDF file conversion option is available in Zamzar. At a time, 5 MDI files (up to 50 MB) can be converted to PDF document (in the free without sign up plan). All you need to do is add MDI files from PC. URL of an online MDI file can also be added which means conversion of online MDI file is also possible. When files are added, you need to select output format as PDF from the available drop down menu. After that, you have to add an email address to receive the output documents. There is no other option to receive output files except email address, so it is needed.

For each input file, a separate email is sent to you containing the link of your output PDF. Open that link and you can download the PDF file. Your PDF file link remains valid for 24 hours only. Also, the input files are stored for 7 days and then deleted automatically.

The Conclusion:

These are some handy online options to convert MDI to PDF. Among all these websites, “Online2PDF.com” is the best because it supports multiple MDI files and can give output as single PDF or multiple PDF files. Other sites are also good, no doubt, but the best one among these online MDI to PDF converters is the first website.

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