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Convert KEY to MP4

You have the option to convert your key file to mp4, as well as a variety of other formats, using our free online converter.

Converting your key file to mp4 is easy with these steps.

Icon of «Upload key-file»
Step 1

Upload key-file

You can select key file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Icon of «Select «to mp4»»
Step 2

Select «to mp4»

Choose mp4 or any of the other 200+ supported formats you'd like to convert to.
Icon of «Download your mp4 file»
Step 3

Download your mp4 file

Please wait for the conversion to complete, then click on the download button to obtain your converted file in the mp4 format.

Converting key to mp4

Fast and easy
Simply drag and drop your key files onto the webpage, and you'll be able to convert them to mp4 or over 250 different file formats, all without having to register, provide an email address, or include a watermark.
You don't need to worry about security.
As soon as you upload your key files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.
Everything is stored in the cloud.
You don't have to go through the hassle of installing any software. We handle all key to mp4 conversions in the cloud, which means that none of your computer's resources will be used in the process.

Keynote Presentation

Extension.key
Category🔵 documents
Programs
🔵 File Viewer Lite
🔵 Keynote
Main program🔵 Apple iWork
Description🔵 The KEY file extension is used for Keynote Presentations. Apple made the software for the creation and playback of presentations. The Mac OS X package is used to store presentations. The file has all to play presentations. It comes with platforms like slides, images, transition information, and text for presentation. Also, the KEY file can be a storage device for the XML data used for presentations. It was introduced in 2003 to compete with PowerPoint.
Technical details🔵 Specifications for Keynote files are not available, but one can reference the iWork '05 file format by Apple. The key file is a compressed ZIP file with other files to make up the .key file. Its new version saves a file with an "index" directory with Apple's proprietary IWA file format, a "Metadata directory with .plist files, a "Data" directory with image assets like backgrounds and photos for slides, and jpg files for previewing. Keynote files in iWork can only be opened by iWork.
Developer🔵 Apple
MIME type
🔵 application/x-iwork-keynote-sffkey
🔵 application/vnd.apple.keynote

MPEG-4 Video File

Extension.mp4
Category🔵 video
Programs
🔵 Microsoft Windows Media Player
🔵 VLC media player
🔵 MPlayer
🔵 Eltima Elmedia Player
🔵 Winamp
🔵 Apple QuickTime Player
🔵 Apple iTunes
Description🔵

MP4 is one of the popular digital multimedia formats. The original name is MPEG-4 Part 14. It is one of the most versatile digital multimedia formats because it can play both video and audio files.

Besides, you can use MP4 file formats for many other purposes, such as streaming over the Internet and storing still images.

The characteristics of MP4 files include but are not limited to:

  1. MP4 file formats are mostly preferred by users because of the versatile use that includes playing audio and video files.
  2. You can use MP4 to stream or watch live events over the Internet.
  3. MP4 file stores multiple data types, such as audio, video, scene descriptors, and object descriptors.
Technical details🔵

How to create and how to open an MP4 file

You can create an MP4 file by recording video with your device or by using certain software.

You can also use various converters to convert videos to MP4 file formats.

How to Open an MP4 File

Almost all the video players open an MP4 file because MP4 is a standardized digital file format.

You can open an MP4 file in several ways, such as using either the Windows Media PlayerorVLC Media Player.

Some of the others that can open the MP4 file are QuickTime (for macOS), MPlayer, VLC Media Player, and X Codec Pack.

Which other formats MP4 can be converted into and why

MP4 is widely used as a video file format because of the efficient video compression scheme that prevents data loss when converting.

Besides, you can use a lot of tools to seamlessly convert your MP4 file to another file format. Some of the popular video formats are:

  1. 1. m4w
  2. 2. mkw
  3. 3. mov
  4. 4. avi
  5. 5. flv

MP4 is supported by almost any device that is able to play video. However sometimes a user might need to convert it to another format. MKV is well known for being able to store a huge amount of information like dozens of audio streams and subtitles. WMV format provides better compression than MP4 does.

Developer🔵 Moving Picture Experts Group
MIME type
🔵 audio/mp4
🔵 video/mp4

FAQ

❓ How do I change key to mp4?
To get started, either pick a file you want to convert from key and select it or drag and drop it into the conversion tool. Next, select the desired format that you wish to convert your file to. Once you have selected the format, click the "convert" button and wait for the tool to finish converting your file.
⏳ What is the estimated time it will take to convert key to mp4?
Typically, image conversions only take a few seconds, so you can expect a speedy conversion when changing key to mp4.
🛡️ Can I trust OnlineConvertFree to convert key to mp4 securely?
Absolutely! We take your security seriously, and guarantee the protection of your uploaded and converted files. No one will have access to your information since we delete all files once the conversion process is complete. You can trust that all types of conversions, including key to mp4, are 100% safe on OnlineConvertFree.
📱 Is it possible to convert key to mp4 without having to install any software?
Yes, that's right! OnlineConvertFree doesn't require any installation, which means that you can convert any files, including key to mp4, on your computer or mobile device, completely online.