Convert STI to JXL

STI to JXL conversion that preserves quality. reaConverter gives you control over color space, resolution, and compression.

Looking to change STI files to JXL format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed — no waiting for uploads or server queues. Photographers use it to batch process entire shoots in minutes.

STIJXL

How to Convert Multiple STI Images to JXL?

1. Download and Install reaConverter

Download reaConverter and install it in seconds. The setup is straightforward — no complex configuration, no extra software required. You can also resize, crop, and adjust images during conversion.

2. Load your STI files

Load your STI RAW photos into reaConverter. Add entire shoots at once and process them in minutes.

Drag-and-drop STIs directly into reaConverter or use the folder browser to load entire directories.

Load your STI files into reaConverter

3. Select JXL as output format

Choose JXL as output format. Adjust color profile, quality, and resolution settings to match your photography workflow.

Select JXL as output format

4. Start STI to JXL conversion

Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Start Conversion

Your converted JXL files will appear in the destination folder as soon as processing completes.

STI to JXL Converter

reaConverter offers the fastest, simplest solution for converting your STI files into JXL 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 January 21, 2026
"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.
Mark T.
Satisfied Customer
"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.
Alex R.
Photographer
"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
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"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

STI to JXL Conversion: FAQ

Can reaConverter convert STI to JXL?

Yes! reaConverter instantly converts .sti to .jxl 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 JXL online?

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

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

The best way to change STIs to JXLs 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 JXL.

How can I automate STI to JXL 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 JXL using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line sti to jxl converter for batch processing.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthChange format settingsSet new DPICopy EXIF data

Find out more

Get advanced software for file conversion, processing, and editing, giving you complete, precise control over your work.
reaConverter software