STI Converter

Save yourself from the hassle of spending countless hours trying to figure out how to convert multiple STI image into other formats with our fast and easy STI file converter.

STIConverter

How to Convert .sti Photos in Bulk

1. Install reaConverter

Download reliable STI conversion software to convert multiple .sti files and folders in one go.

2. Select STI Files

Select STIs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load STI files

3. Start Conversion

Click Convert to start the bulk conversion of all selected STI images. The process will begin right away.
reaConverter - Start STI conversion

Convert STI on your PC

For quick and effortless STI file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

Do more with your images

Converting STI images for use in a workflow? Touch up, transform, apply editing and effects to your images during conversion.

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 March 31, 2025
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
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Ava Thomas
Happy User
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
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DeShawn M. Thompson
Happy User
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
⭐⭐⭐⭐⭐
Elena Anderson
Happy User
"I use the online converter — it’s quick and hassle-free!"
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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
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
⭐⭐⭐⭐⭐
Kyle Brooks
Happy User

STI images: Frequently Asked Questions

Can reaConverter open STI files?

reaConverter fully supports the STI image format – open, edit, and export STI files to any other popular file format with ease.

How do I change STI to another format?

reaConverter is a user-friendly tool for converting STI files. Once installed on your computer, it allows you to convert all your .sti files at once with just a few clicks. You can even convert sti images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert STI online?

If you only want to convert a few STI images, you are welcome to try our free online STI converter.

How can I turn STI files on my computer to another format?

The best way to convert STI images on your PC is to get 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.

How can I automate STI files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert STI files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line sti converter.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert Gerber imagesCrop fileCopy EXIF data

What formats can I convert a STI file to?

Discover more

Explore our efficient STI file converter that saves you time and effort by converting multiple .sti files into different formats.
reaConverter software