Convert !C to AVIF

The quick and simple way to change your !C into AVIF files is to use a quality piece of software, such as reaConverter.

reaConverter offers offline file conversion between numerous formats, including !C to AVIF, plus additional image editing tools for enhanced file preparation.

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How to Convert Multiple !C Files to AVIF?

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

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Install reaConverter

2. Load your !C files

Start reaConverter and load all the .!c files you intend to convert into .avif. The software supports multiple !C conversion and processes all files locally on your computer.

Select !Cs from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your !C files into reaConverter

3. Select AVIF as output format

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

Select AVIF as output format

4. Start !C to AVIF conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your AVIF files in the destination folder you selected.

!C to AVIF Converter

reaConverter offers the fastest, simplest solution for converting your !C 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 !C 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
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User Reviews

Average User Rating:
Last updated on May 24, 2025
"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
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
Content Creator
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
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Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
⭐⭐⭐⭐⭐
Jian Wong
Happy Online User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
⭐⭐⭐⭐⭐
Helen Evans
Satisfied Customer
"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
Happy User

!C to AVIF Conversion: FAQ

What are !C files?

!C is a Hobetta image file extension associated with ZX Spectrum computers, which were one of the first types of home computers, released in the 1980s by Sinclair Research Ltd. They supported an 8-bit color rendering, hence the name Spectrum, as opposed to their predecessor models, the ZX81, which could only render black-and-white images. The !C format is now considered a rare format, but can be converted to formats that are more accessible and popular.

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 !C to AVIF?

Yes! reaConverter instantly converts .!c 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 !C to AVIF online?

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

How can I turn !C files into AVIF on my computer?

The best way to change !Cs 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 !C to AVIF.

How can I automate !C 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 !C 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 !c to avif converter for batch processing.

What else can I do with reaConverter?

Convert DICOM filesResize pictureChange format settingsChange DPIConvert CAD formats

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