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The Best Methods to Convert PDF to PDF/A Online and Offline

PDF/A is a part of the PDF family used to store documents securely for a longer time. Students and professionals can use this format to preserve the integrity and authenticity of PDF content over extended periods. However, you will require an efficient PDF to PDF/A converter to carry out this conversion process.

If you are a student, you have the option to convert PDF to PDF/A online free of cost to save some money while doing so. In this article, we will try to introduce you to the best PDF to PDF/A converters online and offline. After going through this article, you will be able to carry out this conversion process without a problem.

Part 1: How to Convert PDF To PDF/A Online?

If you have to carry out a PDF to PDF/A conversion process in an emergency, you can tend to online tools to get the job done for the time being. However, there are so many options available in the market that you will get confused. So, to save you from this confusion, we have selected Xodo by Apryse as a perfect to fulfill your needs.

Anyone can access this free online PDF to PDF/A converter to convert their document to various formats, including PDF/A-1A, PDF/A-2A, and more. You can even upload multiple PDF files at a time to convert them in an instant. You can get help from the following steps to convert PDF to PDF/A using this online tool.

Step 1: You have to launch the Xodo website on your preferred browser to kick start the process. Afterward, hover over the "Tools" tab on the top menu of your screen and then choose the "PDF to PDF/A" option from the "Convert from PDF" section.

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Step 2: By doing so, you will reach a new window where you can upload your file to convert PDF to PDF/A free online. Here, click on the "Select File" button to upload the document you want to convert or use the cloud storage options.

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Step 3: After the uploading process is completed, you can also choose the format of the PDF/A document to carry out optimized conversion. Finally, hit the "Convert" button on the right side of the screen, and then click on the "Download" button on the newly appeared window to finish the process.

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Drawbacks of Using Online Tools

    You cannot deny the fact that these online tools is easy to use, making them perfect for students. However, these PDF to PDF/A converters come with restrictions that can limit their functionality.

  • Users can face security issues after uploading their documents toonline PDF to PDF/A converters.  
  • You also have to tackle file size limitations while using these online tools.
  • Online tools rely on a solid internet connection, so you might face slow conversions when the internet speed is not up to the mark.
  • The precision of the conversion procedure can be a concern when opting for online tools.

Considering all these issues, we can say that you have to go for offline PDF to PDF/A converters if you are looking for professional conversions.

Part 2: How to Convert PDF To PDF/A Offline?

Once you have decided to use offline tools, UPDF is the best choice for you to carry out these PDF to PDF/A conversions. It is a perfect PDF converter to help you preserve your documents in PDF/A format. No matter if you are a student or a professional, you can take advantage of this PDF to PDF/A converter to convert your PDFs to the desired format.

All you have to do is access its "Save as Other" feature to get the job done. Additionally, you can use this feature to compress or flatten the PDFs before converting them to PDF/A format. The following simple-to-follow steps will help you convert PDF to PDF/A using the UPDF PDF converter.  

Step 1: Download UPDF to Try Out its Conversion Features

First and foremost, you have to download UPDF on your device to access its PDF to PDF/A conversion feature. To do so, click the "Free Download" button below to kick start the process.

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Step 2: Enter Save as Other Feature to Convert PDF

Once the downloading process is completed, launch the UPDF interface on your computer to begin the conversion. Afterward, upload the PDF document you want to convert to PDF/A format by tapping the "Open File" option. Then, hit the "Save as Other" button from the right side to access a new sub-window containing several saving options.

Step 3: Save the PDF File in a PDF/A Format

After accessing this conversion menu, press the "Save as PDF/A…" option to get access to a new window. On this "Export PDF" dialog box window, you can browse the location where you want to save this PDF/A document. Finally, click the "Save" button to finish this PDF to PDF/A conversion.  

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Part 3: Compare Online and Offline PDF to PDF/A Converter

Now that you know how to convert PDF to PDF/A online and offline, the choice is yours about which method is the most suitable for you. However, if you cannot make the selection, this comparison table will make the decision easier for you.

MetricsUPDFXodo (Online)
Pricing UPDF Pro Yearly: US$35.99
UPDF Pro Perpetual: US$55.99
UPDF AI Add-on: US$59 per year
US$12 per month
US$108 per year
System Support Window, iOS, Mac, AndroidOnline
PDF to PDF/A Conversion
Secure Conversion
Fast Processing Speed
Conversion FormatsOffice Formats, Images (JPG, PNG, TIFF, GIF, BMP), HTML, PDF/A, XML, Text, CSV, RTFJPG, PNG, PDF/A, Office Formats, HTML, Text

After going through this comparison table, we can easily conclude that UPDF is a better choice than any online PDF to PDF/A converter. UPDF gives you the following benefits over the online tool, making it perfect for such conversions.

  • This PDF to PDF/A converter lets you apply multiple PDF editing features before conversion.
  • The blazing-fast processing speed of this PDF converter allows you to carry out the process within a few seconds.
  • You can utilize this PDF converter on four devices simultaneously with a single subscription.


All-in-all, converting files to PDF/A format benefits everyone, as it preserves essential information over time. For this reason, we've introduced offline and online PDF to PDF/A converters to help you access these conversion tools anywhere.

After going through the workings of both methods, we've concluded that UPDF is a more efficient and cost-effective option. So, give UPDF a try by downloading its free version from the official website. Once you've explored the free features, consider upgrading to the UPDF Pro to access even more valuable features.

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