Convert MOS to AVIF

Batch convert MOS RAW files to AVIF in one click. reaConverter handles entire photo libraries with consistent settings.

Got a folder full of MOS files? reaConverter batch converts them to AVIF in minutes, not hours. Local processing means instant results, even with thousands of files. Photographers use it to batch process entire shoots in minutes.

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MOSAVIF

How to Convert Multiple MOS Images to AVIF?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately. You can also resize, crop, and adjust images during conversion.

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Install reaConverter

2. Load your MOS files

Open reaConverter and add your MOS files. You can load individual files, entire folders, or even nested subfolders.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your MOS files into reaConverter

3. Select AVIF as output format

Pick AVIF as output format and choose the destination folder where you want to save new .avif files.

Select AVIF as output format

4. Start MOS to AVIF conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your AVIF output.

MOS to AVIF Converter

reaConverter offers the fastest, simplest solution for converting your MOS files into AVIF in seconds - all photos processed on your PC for maximum privacy and speed.

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Do more with your images

Converting MOS images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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User Reviews

Average User Rating:
Last updated on January 25, 2026
"Google Photos auto-saved my pics as AVIF files that won’t open anywhere. reaConverter rescued 3 years of memories AND kept the quality. Take that, ‘innovation’!"
Derek Snyder
Derek Snyder
Satisfied Customer
"Twitch thumbnails keep saving as AVIF and my editing software freaks out. reaConverter swaps them to JPEG instantly. Now I can actually post my ‘🔥HOT TAKES🔥’ without crying over file errors."
Amy Li
Amy Li
Content Creator
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
Happy User

MOS to AVIF Conversion: FAQ

What are MOS files?

The MOS image format is associated with shooting in RAW mode using Leaf cameras. Leaf is a brand of high-end cameras of medium and large format, and after being a division of Scitex and Kodak, it is now a part of the Danish group Phase One. MOS images are RAW images taken with the Leaf Aptus series, but they can also be associated with Mamiya cameras. They represent uncompressed images which include a significantly wider array of details than other compressed formats, such as JPEG.

What are AVIF files?

AVIF is a new image format launched at the end of 2020. AV1 Image File Format was developed by the Alliance for Open Media in collaboration with Netflix, Google and Cisco. This format was created to be an open-sourced and royalty-free image format with a super-compression efficiency. Multiple graphics compression tests show that the .avif format outperforms the JPEG, PNG and WebP image formats for its image quality to compressed file size ratio.

Can reaConverter convert MOS to AVIF?

Yes! reaConverter instantly converts .mos to .avif with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert MOS to AVIF online?

If you only need to convert a few MOS files to AVIF format, feel free to try our free online free online MOS to AVIF converter — perfect for small batches with no installation needed!

How can I turn MOS files into AVIF on my computer?

The best way to change MOSs to AVIFs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from MOS to AVIF.

How can I automate MOS to AVIF files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert MOS files to AVIF using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line mos to avif converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceChange format settingsChange image DPICopy IPTC data

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