10 Best Free Key Converter in 2025

A vast majority of people are familiar with PowerPoint files created by Microsoft. However, if you are using Apple, then you probably have heard about Key converter. This software enables Apple users to generate Apple’s presentations -.Key files that contain slides, just like PowerPoint for Microsoft. These slides can have charts, pictures, transitions, and videos, among others. To convert .key files to or from other file formats, you can use an appropriate desktop or online converters. The following are the top 10 online free Key converters you should try out in 2022.

2. CloudConvert

CloudConvert is excellent online converter software that has garnered popularity owing to its ability to support a wide range of media file conversion. CloudConvert supports the conversion of Key files to various formats like PDF, JPG, PNG, ppt, and PPTX, among others. CloudConvert offers excellent security and has earned trust from the millions of customers across the globe.

Pros:

• It supports conversion between numerous file types, including Key files.
• It has a user-friendly interface.
• It provides high-quality conversions.
• It is a secure platform.

Cons:

• Requires that you sign-up.
• It has limited file size upload.

3. Onlineconvertfree

Onlineconvertfree, as the name suggests, is a free online converter capable of converting several types of media file formats, including Key file formats. The program has a simple interface, and therefore, no expertise is required at all. You only upload the Key file onto the application, select the desired output format, and hit on the convert button to get the conversion underway. Users can convert Key formats to JPEG, PPTX, PPT, JPG, TIF, PDF, and TFF, among others.

Pros:

• It supports several types of media file formats.
• The conversion speed is fast and secure.
• It has simple conversion processes.

Cons:

• Users are required to sign-up to convert files.
• A steady internet connection is required.
• Limited features.

4. Zamzar

Zamzar is a popular and powerful online Key converter. The seamless process involves adding target Key files, choosing the desired output format, and hitting the Convert Now button. You can drag and drop your input files or import them from the computer or a link.

Pros:

• The conversion process is simple.
• It offers a good conversion speed.
• It has a user-friendly interface.

Cons:

• It requires that users sign-up for an account.
• It imposes a limit on the size of the file uploaded.

5. OnlineConvert

OnlineConvert is one of the top-rated online Key converter software across the globe. The program allows users to import files from sources like URL, Dropbox, Google Drive, and local computer. OnlineConvert supports the conversion of several types of file formats, including archive, audio, device, document, Ebook, and Image, among others.

Pros:

• It provides optional settings to customize the appearance of your output file.
• It offers support to several categories of file formats.
• The conversion process is simple, as it involves a few clicks.

Cons:

• New users are required to sign-up.
• There is a limit to the maximum size of the file uploaded.
• The interface is not tidy.

6. Aconvert

Aconvert is a fashionable and functional Key converter software amongst scores of users worldwide. The free online platform supports multiple types of formats like Key, PPT, TXT, HTML, and JSON, just to mention but a few. The conversion process is simple, and newbies can even navigate with ease.

Pros:

• It supports a wide range of different file formats.
• The interface is straightforward, and users can navigate with ease.
• It supports batch conversion.

Cons:

• It requires a steady internet connection.
• It imposes a file size limit.
• The interface is somewhat untidy.

7. Anyconv

Anyconv is an excellent free online Key converter. With this converter, you can convert Key file format to HTML, JPEG, JPG, and PDF, among others. The conversion process is quite simple and does not prove a hurdle to any category of users.

Pros:

• The conversion process is simple and involves a few clicks.
• It allows the conversion of a wide range of different file formats.

Cons:

• The interface is not neat.
• It imposes a file size limit.

8. Conversion-tool

Conversion-tool is an excellent Key converter that supports plenty of file formats. Users can upload files from the local PC or enter the respective URL link within the URL box. The program is straightforward and requires a few clicks to get the job done.

Pros:

• It has a simple interface.
• It offers more output settings.

Cons:

• The interface is not organized well.
• Limited features.

9. Pdfmall

Pdfmall is a functional free online Key converter tool. Users can convert Key files to PDF, PPT, PPTX, and ODP, among others.

Pros:

• It has a relatively fast conversion speed.
• It supports a good number of file formats.

Cons:

• The programs impose a file size limit.
• It is slow with a weaker internet connection.

10. Audio Speed Changer

Audio Speed Changer is one of the top Key file converters widely used across the globe. The conversion process involves up to four steps: upload, settings, output format selection, and conversion.

Pros:

• It provides options for output processing.
• The conversion process is straightforward.

Cons:

• The interface looks messy.
• The program imposes the file limit.

If you were caught between a hard place and a rock looking for a free online Key converter, then you are now sorted. Try the programs mentioned above, and be sure to address your issue. It is worth knowing that free converters have inherent limitations, which can be solved by using desktop converters instead.

Wondershare UniConverter - Best Key Converter

• Transcode between 1,000+ video/audio formats without quality loss.
• Convert movies files to optimized preset for almost all devices.
• Download videos from popular sites like YouTube, Dailymotion, Vevo, etc.
• It has a 90X faster conversion speed than any conventional converters.
• Edit, enhance & personalize your videos file.
• Download/record videos from YouTube and other 10,000 video sharing sites.
• Versatile toolbox combines video metadata, GIF maker, video compressor, and screen recorder.
• Supported OS: Windows 10/8/7, macOS 11 Big Sur, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.

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