All-In-One video library & player for iOS/macOS/tvOS
...
Best local and net disk movie/tv player on Mac, creating a local personal media library.
Price reduced to Free Trial!
  • $29.99
  • 0
How to Convert Video to AVI on Mac for Free
How to Convert Video to AVI on Mac for Free
  • Oka Assist
  • 2026-02-06 10:35:44


How to Convert Video to AVI on Mac for Free

Do you have video files that can not be played on the Mac? Or is the video editor on your Mac failing to recognize and work with some videos? If so, you might need to convert the problematic video to AVI.

But how do you do that? And is there a way to do it quickly and, more importantly, for free?

Yes! Yes, there is! The OmniConverter app is one way to do just that and is the easiest way to make it happen.

Before we get into the nuts and bolts, it’s worth it to write a bit about what exactly we’re talking about for those readers who are new to the process.

What is an AVI file?

AVI is an acronym for audio-video interleave. AVI is a commonly used video file format introduced by Microsoft in 1992 for Windows machines.

Consider that AVI files take up much more memory space than MPEG or MOV files.

AVI files are easily readable by most video players and editing programs.

OmniConverter is a Great Way to Convert Video to AVI

The OmniConverter app is easy and free to convert your problematic video to an easy-to-use AVI.

This downloadable app works with all kinds of vi, from MP4 to MPEG and FLV.

OmniConverter not only converts your video to AVI, but the software has many other features.

  • OmniConverter allows you to burn subtitles into your video easily.
  • The app allows users to change the audio tracks of their videos.
  • OmniConverter pre-sets the template for your video automatically.
  • The OmniConverter app enables you to reduce the size of your video by compressing your video to any resolution.

OmniConverter is Easy to Use

Converting video to AVI using the OmniConverter app is as simple as a click of your mouse.

Send your video to the app and select “AVI” as your preferred output. The simple and easy-to-use interface also lets you do processes such as adjusting your audio levels and your frame rate. It also allows you to change the bit rate and perform other minor tweaks that help you create the perfect video.

Once you have your video in the exact format you like, with one click and in no time, you’ve got an AVI video that your computer can see and is ready to use.

Satisfied Customers

The app is rated at 4.9 out of 5 stars on the OKapps website, and reviews are overwhelmingly positive.

“I like it. It does the job,” said one satisfied customer. “It does exactly what it says,” declared another.

“I tried many converters,” said another happy consumer, “and none of them worked the way I wanted. I am very happy with this one, and I feel terrific that I have this on my computer. The best of the best!”

How to Get OmniConverter

The OmniConverter app and a lot more information about its capabilities are available on the OKapps website.

It’s available for free, and you can download OmniConverter.


Hottest Articles

Latest Articles

Mac System Data Exceeding 200GB? Here’s How to Actually Clear It — A Deep Dive with Heavy Keynote Usage and Time Machine as Examples I. Problem Overview After long-term use, some macOS users discover that “System Data” in Storage Settings grows abnormally large. Common symptoms include: System Data occupying 200GB or more https://cdn.okaapps.com/resource/图2.webp No corresponding files can be located in Finder Deleting caches or log files has little effect Third-party cleaning tools are ineffective Uninstalling and reinstalling apps (such as Keynote) does not help Even after reinstalling macOS, the issue reappears after some time This problem is especially common among heavy productivity users, such as those working extensively with Keynote, Final Cut Pro, or design tools. II. Commonly Tried but Ineffective Solutions Users typically attempt the following methods, most of which fail to solve the problem at its root: Manually deleting directories such as ~/Library/Caches and ~/Library/Logs Using third-party cleaning tools like CleanMyMac or similar utilities Uninstalling and reinstalling Keynote Reinstalling macOS via “Reinstall macOS” These approaches are limited because they do not address the real sources behind System Data inflation. III. What Exactly Is “System Data”? It is important to understand that: System Data is not a real folder, but rather a collection of data that macOS cannot accurately categorize. System Data may include, but is not limited to: macOS system temporary files Application and system caches Portions of the user Library (~/Library) Files Spotlight cannot classify Large resource files inside application packages Local caches from cloud services (such as iCloud or OneDrive) iPhone / iPad backup files Residual data from deleted user accounts Time Machine local snapshots As a result, System Data cannot be reliably inspected or reduced through simple cache deletion or Finder-based browsing. IV. Key Cause #1: Time Machine Local Snapshots Consuming Disk Space How Local Snapshots Work Even when no external drive or NAS is connected, macOS will: https://cdn.okaapps.com/resource/图3.webp Create a Time Machine local snapshot every hour Retain snapshots from the last 24 hours by default If the backup destination remains disconnected, keep local snapshots associated with the most recent full backup These snapshots: Are based on the APFS file system Do not appear as regular files Are entirely counted under System Data In some cases, local snapshots can consume tens or even hundreds of gigabytes. https://cdn.okaapps.com/resource/图4.webp Why They Sometimes Cannot Be Deleted When Time Machine uses a NAS or network storage device as its backup destination, the following situations may occur: The NAS was previously disconnected The network path or IP address changed The backup was not re-“claimed” by the system As a result, macOS may treat these snapshots as belonging to an unreachable backup destination, leading to: tmutil deletion failures Errors such as Stale NFS file handle Snapshots that cannot be reclaimed, causing persistent disk usage V. Key Cause #2: How Keynote and Similar Apps Amplify System Data Keynote itself is not malfunctioning, but its design inherently amplifies System Data usage: Keynote files are actually packages containing large numbers of resources These may include: High-resolution images Embedded videos Fonts Animation and transition assets Spotlight sometimes fails to correctly classify these resources, causing them to be grouped under System Data. For users who frequently create large, media-heavy presentations, steady growth in System Data over time is expected. VI. Effective Solutions (Prioritized) Solution 1: Verify and Restore Time Machine Backup Status (Recommended) Open Disk Utility From the menu bar, select Show APFS Snapshots Select the system Data volume Check whether a large number of Time Machine local snapshots exist If using a NAS as the backup destination: Reconnect the NAS Select the original backup in Time Machine settings Follow the prompts to claim the existing backup Once the backup relationship is properly restored, macOS can automatically manage and reclaim snapshot space. Solution 2: Use Disk Analysis Tools to Identify Real Space Usage It is recommended to use tools that analyze disk usage without automatically deleting files, such as: GrandPerspective EtreCheck The goal is to identify: Which files or directories consume the most space Whether disk usage is abnormally concentrated in specific areas Avoid relying on “one-click cleanup” tools. Solution 3: Check for Residual Data from Old User Accounts If the device previously: Had multiple user accounts Removed accounts without deleting their home folders Then old home directories may still exist and be counted as System Data. Solution 4: Rebuild the System Environment Completely (Last Resort) When System Data usage becomes severely unmanageable and no clear source can be identified, the only definitive solution is: Fully back up all current data Erase the disk and reinstall macOS During setup: Migrate only the user account Do not migrate system settings, applications, or Library data This approach completely removes legacy data structure issues. VII. Long-Term Prevention Tips (for Keynote and Content Creators) Archive older Keynote projects to an external drive or NAS Avoid storing large volumes of presentation files locally for long periods Keep the Time Machine backup destination consistently available Avoid third-party tools that perform automated “system-level cleaning” Periodically monitor disk usage with analysis tools VIII. Conclusion Abnormally large macOS System Data usage is rarely caused by a single cache or log issue. Instead, it is typically the result of Time Machine local snapshots, application package resources, and inherited historical data structures working together. Only by understanding what System Data actually contains—and addressing the root causes—can disk space issues be resolved effectively and long-term.