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Wondershare UniConverter

Your Complete Video Solution

  • Best Free Key Converter to convert any format in batch with less quality loss.
  • Edit videos with cropping, trimming, rotating, adding watermarks, applying effects, and others.
  • Support 1000+ video and audio formats including MP4, MOV, WMV, FLV, M4V, etc.
  • All-in-one tool: DVD converter, screen recorder, video compressor, and more.


1. Convert Video to Any Format+
  1. 1.1 Easy Way to Play Quicktime Video
  2. 1.2 MOV vs MP4
  3. 1.3 Top 7 MP4 Converter Downloader
  4. 1.4 Anything to MP4
  5. 1.5 WebM vs MP4
  6. 1.6 FLV vs MP4
  7. 1.7 Convert Stereo to Mono Easily
  8. 1.8 MPEG vs MP4
  9. 1.9 Convert VHS to Digital
  10. 1.10 Top 5 Mono to Stereo Converters
  11. 1.11 Convert Anything to Anything
  12. 1.12 10 Ways to Turn Video into Audio
  13. 1.13 Top 10 Song to Ringtone Converters
  14. 1.14 Easy Steps to Convert Video to Live Photos
  15. 1.15 Trim Videos on Windows Media Player
  16. 1.16 Best Tools to Trim MP4
  17. 1.17 Convert TS to MP4 with VLC
  18. 1.18 Easy Steps to Convert Videos to MIDI Files in 2020
  19. 1.19 How Can You Convert MP4 to MIDI Format in 2020
  20. 1.20 How to Convert WMA to MP4 Format with VLC in 2020
  21. 1.22 Best Way to Convert 3GPP to Other Formats in 2020
  22. 1.23 How to Use Handbrake to Convert WebM to Any Video Format
2. Convert Picture to Any Format+
  1. 2.1 Top 7 Free Picture Converters
  2. 2.2 Convert Picture to HD Online Free
  3. 2.3 How to Convert Pictures to JPEG
  4. 2.4 Top 10 Picture Size Converters
  5. 2.5 Top 5 Photos to Video Converters
  6. 2.6 Phone to TV Converter
  7. 2.7 Convert iPhone Pictures to JPEG
  8. 2.8 Top 10 Raw to JPEG Converters
3. Tips and Tricks+
  1. 3.1 What is FLV File
  2. 3.2 What is M4A File
  3. 3.3 What is TS File
  4. 3.4 What is FLAC File
  5. 3.5 What is AAC Format
  6. 3.6 What is AAC Audio
  7. 3.7 What is Cloudconvert
  8. 3.8 What is MXF File
  9. 3.9 9 Zamzar converter Alternatives
  10. 3.10 10 Best Free Key Converters
  11. 3.11 Free VLC Batch Convert Feature
  12. 3.12 How to Convert Files
  13. 3.13 Top 10 Easy Converters
  14. 3.14 Top 11 Video Clip Converters
  15. 3.15 Tips and Tricks for Converting It
  16. 3.16 Online Convert Com Alternative
  17. 3.17 10 Vector Converters Alternative
  18. 3.18 How to Open ISO File
  19. 3.19 Freemake Video Converter Review
  20. 3.20 Top 10 Online Converter MP4
  21. 3.21 Top 10 File Type Converters
  22. 3.22 Top 9 Free Logo Converters
  23. 3.23 FQA about Windows Media Video
  24. 3.24 Top 6 Free Sound Converters
  25. 3.25 Best Apple Compressor Alternative
  26. 3.26 Top 9 ISO Extractors
  27. 3.27 AVI vs MP4
  28. 3.28 10 Solutions to Combine Files
  29. 3.29 Top 8 TS File Players
  30. 3.30 6 Tips for Converting SWF Files in 2020
  31. 3.31 Best Way to Convert MIDI to WAV Format in 2020
  32. 3.32How to Convert WAV to MIDI Format in 2020
  33. 3.33 5 Recommended Ways to Convert AC3 Format in 2020
  34. 3.34 Simple Steps to Convert WMA Format to iTunes Format in 2020
  35. 3.35 Top 3 Nintendo 3DS Converters

10 Best Free Key Converter in 2024

by Kayla Morrison • 2024-02-21 13:43:46 • Proven solutions

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.


  • 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.


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

popular online Key converter -CloudConvert

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.


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


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

popular online Key converter -Onlineconvertfree

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.


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


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

popular online Key converter -Zamzar

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.


  • 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.


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

popular online Key converter -OnlineConvert

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.


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


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

popular online Key converter -Aconvert

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.


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


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

popular online Key converter -Anyconv

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.


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


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

popular online Key converter -Conversion-tool

9. Pdfmall

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


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


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

popular online Key converter-Pdfmall

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.


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


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

popular online Key converter-OnlineConvert

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.
Kayla Morrison

Kayla Morrison

staff Editor

Resource > Convert Videos > 10 Best Free Key Converter in 2024