Free JXL to AVIF Converter

Looking for a simple and reliable way to convert JXL files to AVIF? Try reaConverter Lite — our free image converter designed for smooth, high-quality results.

reaConverter Lite supports batch processing, so you can convert dozens or even hundreds of JXLs to AVIF in one go. Work fully offline, fine-tune resolution and quality settings, and even use right-click conversion directly from Windows Explorer for ultimate convenience.

Fast. Free. Fully offline.

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How to Convert Multiple JXL Images to AVIF?

1. Download and Install reaConverter Lite

reaConverter Lite is quick to download, easy to install, and ready to launch in seconds. This lightweight, standalone software is highly efficient at handling a wide range of batch image conversions. Plus, it lets you apply essential image editing options — such as resizing, rotating, or adjusting quality — during the conversion process.

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Install reaConverter Lite

2. Load your JXL files

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

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

Load your JXL 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 JXL 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.

JXL to AVIF — Free

Convert your JXL files to AVIF in seconds using reaConverter Lite — the fast, free, and offline solution. All conversions are processed locally on your PC, ensuring maximum speed and privacy with no internet required.

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Do more with your images

Converting JXL 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 April 23, 2025
"reaConverter’s Watch Folders feature has transformed my workflow! I set it to automatically convert my images to JXL, and now every new file I add gets optimized instantly. JXL keeps my photos crisp at half the file size of JPEGs. Super easy setup, flawless results – a must for batch processing!"
Alex R.
Photographer
"Switching to JXL format with reaConverter was effortless. The compression is incredible - my images look perfect at half the file size of JPEGs. The batch conversion works flawlessly, saving me storage space without sacrificing quality. JXL is clearly the future, and reaConverter makes adoption painless!"
Mark T.
Satisfied Customer
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
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
Healthcare IT
"An excellent program! I use it regularly in my work — it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Happy User

JXL to AVIF Conversion: FAQ

What are JXL files?

JPEG XL JXL is a modern image compression format designed to replace older formats like JPEG, PNG, and even WebP. It aims to provide superior image quality at smaller file sizes while supporting advanced features for both web and professional use.

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 JXL to AVIF?

Yes! reaConverter instantly converts .jxl 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.

Is reaConverter free?

Yes — reaConverter Lite is completely free to use! It offers powerful batch image conversion, right-click integration, and support for popular formats, all without requiring an internet connection. For advanced features like automation, metadata editing, and support for rare formats, you can upgrade to the Pro edition anytime.

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 JXL to AVIF online?

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

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

The best way to change JXLs 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 JXL to AVIF.

How can I automate JXL 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 JXL 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 jxl to avif converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceChange file dateConvert GIS filesConvert Gerber files

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Get a free, user-friendly tool for image conversion and editing — with fast results and full control. Use the right-click menu to convert files instantly, or process batches with essential editing options.
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