Convert STI to AVIF

By using our efficient and user-friendly STI to AVIF converter, you can save yourself from the tiresome process of manually converting numerous .sti files into avif format for hours.

reaConverter is a fast offline STI to AVIF converter. Whether you need to convert hundreds or thousands of STI files, reaConverter can handle it all.

STIAVIF

How to Convert Multiple STI Images 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. At the same time, it will allow you to apply image editing options during conversion.

2. Load your STI files

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

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

Load your STI 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 STI 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.

STI to AVIF Converter

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

Do more with your images

Converting STI 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.

Image editing

User Reviews

Average User Rating:
Last updated on May 24, 2025
"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
"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
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
⭐⭐⭐⭐⭐
David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
⭐⭐⭐⭐⭐
Kenneth D. Carter
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
⭐⭐⭐⭐⭐
Mark T.
Satisfied Customer
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
⭐⭐⭐⭐⭐
Elena Anderson
Happy User

STI to AVIF Conversion: FAQ

Can reaConverter convert STI to AVIF?

Yes! reaConverter instantly converts .sti 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 STI to AVIF online?

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

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

The best way to change STIs 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 STI to AVIF.

How can I automate STI 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 STI 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 sti to avif converter for batch processing.

What else can I do with reaConverter?

Convert RAW formatsConvert GIS filesConvert CAD formatsSet picture bit depthSet file date

Find out more

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