10 Best Free Online PPSX to PPTX Converter Websites

Here is a list of the best free online PPSX to PPTX Converter websites. PPSX stands for PowerPoint Slide Show. It is a Microsoft PowerPoint Slide Show file format used for presentations. It can contain slides with audio, video, and animations, designed for playback. PPSX file format is to run the slideshow and not for editing. To be able to edit a PPSX file, you have to convert it to PPTX first. PPTX is the Microsoft PowerPoint presentation file format used for storing presentations in an editable format.

Microsoft PowerPoint program can convert a PPSX file to a PPTX file format. But if you don’t have access to the PowerPoint program, only converters can help you out with the conversion. This post covers 10 websites that you can use to convert PPSX files to PPTX format online. These websites provide simple tools where you can upload your PPSX file, perform the conversion, and download the PPTX file. You can go through the post and check these converter tools in detail.

My Favorite Online PPSX to PPTX Converter

Aspose.app is my favorite website on this list to convert PPSX to PPTX online. This converter provides multiple ways to add and save files including cloud import and export. It can convert up to 10 files per conversion with no limit on the number of conversions. This makes it good for batch conversions as well.

You can also check out our other lists of the best free Online PDF to PPT Converter Websites, PowerPoint to Video Converter Online Websites, and PowerPoint to HTML Converter Software for Windows.

Comparison Table:

NameFiles per ConversionMax Conversion SizeCloud Integration
Aspose.app10~100 MBImport & Export
ConvertFree.com10100 MBImport & Export
11zon.comAny50 MBn/a
MiConv.com10100 MBn/a
AnyConv.com60100 MBn/a
OnlineConvertFree.com7100 MB per filen/a
CloudConvert.com51 GBImport only
Convertio.co2100 MBImport only
GroupDocs.app110 MBn/a
Conholdate.app120 MBn/a

Aspose.app

Aspose.app offers free file conversion tools including an online PPSX to PPTX converter. It is a simple tool where you can convert PowerPoint Slideshow files into editable PPTX format. This converter can process up to 10 files per conversion. But you have to make sure each PPSX file must be up to 30 MB in size. This converter also has cloud integration that lets you import files from Google Drive or Dropbox. After the conversion, you can download the converted PPTX file directly. It bundles the files in a ZIP that you can download. You can also export the output directly to Google Drive or Dropbox along with an option to send it via email directly from the converter.

Steps to convert PPSX to PPTX online on Aspose:

  • Go to this Aspose converter using the link provided below.
  • Drag and drop your PPSX files to the converter or import files from Dropbox/Google Drive.
  • Then make sure the output format is set to¬†PPTX.
  • Click on the¬†Convert¬†button to start the conversion.
  • Wait for the conversion to finish and then download the converted files.

Summary of Aspose’s Converter:

  • Files per Conversion: Up to 10 files¬†per conversion.
  • Max Conversion Size: Up to 30 MB.
  • Cloud File Import: Supports import and export to Google Drive and Dropbox.
  • Free Conversion Quota: No daily/monthly limitation.
  • Conversion Output: Direct download (ZIP).
  • Additional Options: Cloud Export, and Email Share.

ConvertFree.com

ConvertFree.com is an online platform that offers a complete toolkit for free unlimited conversions. The website has a PPSX to PPTX converter that you can use to convert up to 10 files at a time. The converter supports local upload and import from popular cloud storage platforms Google Drive and Dropbox along with URL import. You can use any of these input methods to add up to 10 files each up to 100 MB in size. There are no conversion settings but you get an option to enable email alerts. Upon conversion, the website lists each converted file separately. You can download the files or export the files back to your cloud storage account. Along with that, you get options to get a QR code for each file. This is a good converter however, it does not have the option to bulk download files for batch conversions.

Steps to convert PPSX to PPTX online on ConvertFree:

  • Use the direct link given below to open this converter in your browser.
  • Click on the¬†Choose Files button to upload locally saved PPSX files. Or click the cloud import icons to import files from the respective cloud option.
  • After adding the file, check in for the email alert¬†if you want.
  • Then click the¬†Convert files¬†button to perform the conversion.
  • Once finished, download the converted PPTX files directly or export them to cloud storage.

Summary of ConvertFree’s Converter:

  • Files per Conversion: Up to 10 files per conversion.
  • Max Conversion Size: up to 100 MB per file.
  • Cloud File Import: Import via URL, Google Drive, and Dropbox.
  • Free Conversion Quota: No conversion limit.
  • Conversion Output: PPTX files download. No bulk download.
  • Additional Options: Export to Google Drive/ Dropbox and QR Code. Email conversion alert.

11zon.com

11zon.com offers various types of free online tools including converters, compressors, editors, and more. You can configure a PPSX to PPTX converter on the website and use it for free. This converter does not force any limitation on the number of file conversions. You can add any number of files to the converter and the converter processes the all files one after another. There is a 50 MB size limit on the input you just have to keep that in mind. The converter does not offer any additional configurations. You can simply add the PPSX files and start the conversion. Once the conversion finishes, it automatically downloads the converted files packed inside a ZIP file. Also, you can download each or any converted file individually as well.

Steps to convert PPSX to PPTX online with 11zon:

  • Follow the link given below to access this online PPSX to PPTX¬†converter.
  • Click on the¬†Select Files button and upload your PPSX files.
  • Then click the Download ZIP button to start the conversion and download the converted files.

Summary of 11zon’s Converter:

  • Files per Conversion: Any number of files.
  • Max Conversion Size: up to 50 MB.
  • Cloud File Import: Not available.
  • Free Conversion Quota: No limit.
  • Conversion Output: Direct PPTX output with bulk download.

MiConv.com

MiConv.com is a simple online file conversion website that supports a wide range of file formats. It offers a PPSX to PPTX converter that you can use to convert PowerPoint file formats. This converter keeps everything simple by only offering essential features. It works with local uploads and does not have any conversion options. You can add up to 10 files per conversion and convert them in one instance. There is a 50 MB size limit for each input file. After the conversion, you get a download button for each converted file separately. You can use that to save the converted files one by one.

Steps to convert PPSX to PPTX online on MiConv:

  • Open this converter on MiConv using the link provided below.
  • Drag and drop your PPSX to the converter or use the Choose files¬†button for the same.
  • Then click the¬†Convert¬†button to start the conversion process.
  • After the conversion, use the¬†Download¬†button alongside each file to save the files.

Summary of MiConv’s Converter:

  • Files per Conversion: Yes, up to 10 files consecutively.
  • Max Conversion Size: up to 50 MB per file.
  • Cloud File Import: Not available.
  • Free Conversion Quota: No limit.
  • Conversion Output: Direct PPTX output, no bulk download.

AnyConv.com

AnyConv.com is a free online converter website that can convert a wide range of file formats. It has a free PPSX to PPTX online converter. This is a simple converter that can process batch files. It works with local files only with no cloud import functionality. To perform a conversion, you can simply upload your PPSX files to the converter. It converts the added file in consecutive order. You can add as many as 60 files at once. However, the conversion size is 100 MB. That means all the added files must be up to 100 MB in size and not more. The converter starts with the first file and converts them all one by one. As soon as a file gets converted, it shows a download button alongside that. With that, you can download the converted files one by one.

Steps to convert PPSX to PPTX online with AnyConv:

  • Go to this converter on AnyConv using the direct link given below.
  • Click on the¬†Choose File button and upload your PPSX files to the converter.
  • On the next screen, pick¬†PPTX¬†as the output format for the conversion.
  • Then click on the¬†Convert¬†button to start the conversion.
  • After the conversion, use the¬†Download¬†button to save each converted file separately.

Summary of AnyConv’s Converter:

  • Files per Conversion: Up to 60 files consecutively.
  • Max Conversion Size: Up to 100 MB per conversion.
  • Cloud File Import: Not available.
  • Free Conversion Quota: 60 file conversions per hour.
  • Conversion Output: Direct PPTX output, no bulk download.

OnlineConvertFree.com

OnlineConvertFree.com is a free website that offers a free PPSX to PPTX converter. This converter allows you to easily convert PPSX slideshow files into PPTX files. The converter works with local files only. It can convert up to 7 files per conversion. To do that, you have to start by adding one file first. After that, it shows the added file on the screen. There you get an option to add more files. You can add 6 more files to the conversion. Do note that each file should be under or up to 100 MB in size. After that, you can simply pick the output format and perform the conversion. Upon conversion, you get a download button alongside each file from where you can save the converted files. Below that, you also get an option to download files as ZIP. This option packs all the converted files inside a ZIP and downloads them all at once. This is handy for batch conversions.

Steps to convert PPSX to PPTX online with OnlineConvertFree:

  • Follow the link given below to access this online converter.
  • Click on the¬†Choose File button and add a PPSX file.
  • On the next screen, you can use the¬†ADD MORE FILES option to add 6 more PPSX files.
  • Then pick¬†PPTX¬†as the output format for each file.
  • After that, click the¬†CONVERT¬†button to perform the conversion.
  • Once done, use the¬†Download¬†button to save the converted files.

Summary of OnlineConvertFree’s Converter:

  • Files per Conversion: Up to 7 files per conversion.
  • Max Conversion Size: Up to 100 MB per file.
  • Cloud File Import: No cloud import.
  • Free Conversion Quota: No limit on the number of free conversions.
  • Conversion Output: PPTX files with bulk download option.

CloudConvert.com

CloudConvert.com is a cloud-based file converter platform. You can simply configure a converter on this website by selecting the input and output file formats; PPSX to PPTX. The converter supports files up to 1 GB in size and can process 5 files per conversion. Then all you have to do is add your files to the converter. In that case, you can upload the locally saved files. Or, you can fetch files from Google Drive, Dropbox, OneDrive, and via URLs. There are no conversion options for this particular conversion type. You can simply initiate the conversion after adding your files. Upon conversion, you get multiple ways to save the converted files. You can download, export to cloud storage, and generate QR codes. You can use the desired options to save your files. This converter offers 750 conversion minutes per month for free. This is enough for casual conversions. You can use this free offering without the need for an account.

Steps to convert PPSX to PPTX online on CloudConvert:

  • Head over to the CloudConvert website and configure a converter for PPSX to PPTX conversion. Or use the link provided below to access this converter directly.
  • Upload your PPSX files to the converter. You can also import remote files using the available options.
  • Make sure the output format is set to¬†PPTX.
  • In the conversion settings, you can specify the settings as per your needs.
  • Then click the¬†Convert¬†button to start the conversion process.
  • Wait for the conversion to finish and then click the¬†Download¬†button alongside the file or download a ZIP packing all converted files.

Summary of CloudConvert’s Converter:

  • Files per Conversion: Up to 5 files.
  • Max Conversion Size: up to 1 GB per file.
  • Cloud File Import: Import via URL and integration with Google Drive, Dropbox, and OneDrive.
  • Free Conversions Quota: 750 free conversion minutes per month.
  • Conversion Output: PPTX files with the option to download all (ZIP).
  • Additional Options: Export to cloud storage and generate QR codes to share files.

Convertio.co

Convertio.co is an online file conversion platform. It supports online PPSX to PPTX conversion. This converter comes with Google Drive and Dropbox integration to import files directly. So, along with local files, you can also load files from your cloud storage. Coming back to the converter, it can convert up to 2 files per conversion with a combined size limit of 100 MB per conversion. There are no additional conversion settings. You can simply add PPSX files and convert them to PPTX. After the conversion, it stores the files for the next 24 hours. Till then you can download your files and use the provided download page link to share the files with others as well.

Steps to Convert PPSX to PPTX online on Convertio:

  • Follow the link given below to open the PPSX to PPTX Converter on Convertio.
  • Add your PPSX files to the converter either via local upload or cloud import.
  • Click the¬†Convert¬†button to start the conversion.
  • Once done, download the converted PPTX files or share them using the link provided.

Summary of Convertio’s Converter:

  • Files per Conversion: Up to 2 files per conversion.
  • Max Conversion Size: Up to 100 MB per conversion.
  • Cloud File Import: Support import via Google Drive and Dropbox.
  • Free Conversion Quota: 10 free conversion minutes per day.
  • Conversion Output: PPTX files with download all option.
  • Additional Options: Copy file links to share converted files online.

GroupDocs.app

GroupDocs.app is an online platform to view and convert files. You can use it to convert PPSX to PPTX online. The website offers a simple converter that converts one file at a time. To perform a conversion, you have to upload a PPSX file. This converter lacks cloud import functionality. Also, there is no mention of the maximum file size that you can upload and convert. It works well with files up to and larger than 10 MB. You can simply add your file and perform the conversion. It takes a couple of seconds to process and convert the file. Upon conversion, you get a download button to save the converted file. As an alternative, it also has an email option where you can enter any email address and share the converted file.

Steps to convert PPSX to PPTX online on GroupDocs:

  • Go to this online PPSX to PPTX converter using the link given below.
  • Upload your PPSX file to the converter and start the conversion by clicking on the CONVERT NOW¬†button.
  • Wait for the conversion to finish and then use the¬†Download button to save the converted PPTX file.

Summary of GroupDocs’s Converter:

  • Files per Conversion: No, one file at a time.
  • Max Conversion Size: Around 10 MB.
  • Cloud File Import: Not available.
  • Free Conversion Quota: No limit.
  • Conversion Output: Directly download the PPTX file.
  • Additional Options: Send the converted file via email.

Conholdate.app

Conholdate.app is an online platform that you can use to convert PPSX to PPTX online. The converter you get here is quite simple. It processes one file at a time. You can upload a locally saved PPSX file. The file must be up to 20 MB in size. The converter lacks any additional options to fetch remote files. After the conversion, you get a button to download your converted file directly. Along with that, you get two additional options, Copy Link and Email. You can use that link to share the converted PPTX file with others. You can also use the email feature to send the link via mail.

Steps to convert PPSX to PPTX online on Conholdate:

  • Open this PPSX to PPTX converter by following the direct link given below.
  • Drag and drop your PPSX file to the converter.
  • Wait for the upload process to finish and then click the¬†Convert¬†button.
  • Once done, download or share the converted file using any of the available options.

Summary of Conholdate’s Converter:

  • Files per Conversion: 1 file per conversion.
  • Max Conversion Size: Up to 20 MB per conversion.
  • Cloud File Import: No, local upload only.
  • Free Conversion Quota: No conversion limit.
  • Conversion Output: Direct PPTX file download.
  • Additional Options: Copy file links and Email sharing.

Frequently Asked Questions

A PPSX file is a Microsoft PowerPoint Slide Show file format used for presentations, containing slides with audio, video, and animations, designed for playback and not editing.

A PPTX file is a Microsoft PowerPoint presentation file format used for storing slideshows, presentations, and multimedia elements in a editable format.

Yes, a PPSX file can be converted to a PPTX file by either using PowerPoint to save it in the editable PPTX format or using an online converter.

PPSX is for direct presentation, while PPTX is for editing and presenting within PowerPoint.

Converting allows for editing and modification of the presentation, as PPTX opens in PowerPoint's editing mode.

Open the PPSX file, go to "File," select "Save As," and choose the PPTX format.

No, PPSX opens in slideshow mode; converting to PPTX is necessary for editing.

No, PPSX to PPTX conversion is one-way; you can't directly convert a PPTX back to PPSX.

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