Convert TNY to AVIF

Need to convert hundreds of TNY files to AVIF? reaConverter does it in one click. No file limits, no watermarks, no internet required.

TNY to AVIF conversion is faster with the right tool. reaConverter handles everything from a few files to thousands in one batch. Processes files consistently every time, with full control over quality and output settings.

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TNY to AVIF
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How to Convert Multiple TNY 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 TNY files

Open reaConverter and import your .tny files. No file limits, no slowdowns. Add as many as you need.

Drag files into the window, use the Add Files button, or select entire folders.

Load your TNY files into reaConverter

3. Select AVIF as output format

Select AVIF as target format and pick where to save results. You can keep default settings or fine-tune the output.

Select AVIF as output format

4. Start TNY to AVIF conversion

Hit Convert to process your files. The log window shows progress, timing, and status for every file.

Start Conversion

Conversion complete? Your AVIF files are saved to the destination folder, ready to use.

TNY to AVIF Converter

reaConverter offers the fastest, simplest solution for converting your TNY 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 TNY 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.

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Image editing

User Reviews

Average User Rating:
Last updated on January 14, 2026
"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
"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
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
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
Helen Evans
Satisfied Customer
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User

TNY to AVIF Conversion: FAQ

What are TNY files?

TNY is an image format associated with Atari ST computers. It is part of a larger group of bitmap extensions, known as Tiny or Tiny Stuff images, including TN1, TN2 and TN3. The entire group is considered obsolete and archaic. TNY images contain compressed image data of low, medium or high resolution.

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 TNY to AVIF?

Yes! reaConverter instantly converts .tny 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 TNY to AVIF online?

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

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

The best way to change TNYs 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 TNY to AVIF.

How can I automate TNY 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 TNY 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 tny to avif converter for batch processing.

What else can I do with reaConverter?

Convert DICOM imagesResize pictureConvert CAD formatsChange image bit depthCopy EXIF data

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