Convert FMF to AVIF

Convert FMF to AVIF without uploading files anywhere. reaConverter works entirely on your PC — fast, private, and handles thousands of files at once.

Manual FMF to AVIF conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

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FMF to AVIF
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How to Convert Multiple FMF Files 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.

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Install reaConverter

2. Load your FMF files

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

Drop your FMF files into the window or use File menu to browse and select folders.

Load your FMF files into reaConverter

3. Select AVIF as output format

Choose AVIF as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select AVIF as output format

4. Start FMF to AVIF conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your AVIF files in the output folder. Click 'Show converted files' to open it directly.

FMF to AVIF Converter

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

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Do more with your files

Converting FMF files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

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
"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
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Henry R.
Happy User
"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."
Paul Baker
Paul Baker
Happy User
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer

FMF to AVIF Conversion: FAQ

What are FMF files?

The FMF extension is associated with FaxMan or FaxMan Jr, a fax application meant to help users send and receive fax documents through their computers or assist developers in adding customized faxing features to their software solutions. An FMF file most likely contains a fax document saved in FaxMan format.

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 FMF to AVIF?

Yes! reaConverter instantly converts .fmf 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.

Can I convert FMF to AVIF online?

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

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

The best way to change FMFs 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 FMF to AVIF.

How can I automate FMF 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 FMF 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 fmf to avif converter for batch processing.

What else can I do with reaConverter?

Change format settingsChange DPICopy metadata (EXIF, IPTC)Convert GIS filesConvert Gerber files

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