Convert ST4 to RLA

By using our efficient and user-friendly ST4 to RLA converter, you can save yourself from the tiresome process of manually converting numerous .st4 files into rla format for hours.

reaConverter is a standalone software program that allows you to convert multiple files from .st4 file format to .rla format.

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How to Convert Multiple ST4 Files to RLA?

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. reaConverter is incredibly powerful and boasts an extensive variety of features.

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Install reaConverter

2. Load your ST4 files

Start reaConverter and load all the .st4 files you intend to convert into .rla. The software supports multiple ST4 conversion and processes all files locally on your computer.

Select ST4s from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your ST4 files into reaConverter

3. Select RLA as output format

Pick the RLA as output format and choose the destination folder where you want to save new .rla files.

Select RLA as output format

4. Start ST4 to RLA conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your RLA files in the destination folder you selected.

ST4 to RLA Converter

reaConverter offers the fastest, simplest solution for converting your ST4 files into RLA in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting ST4 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.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on May 24, 2025
"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."
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Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
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R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
⭐⭐⭐⭐⭐
Walter Morgan
Satisfied Customer

ST4 to RLA Conversion: FAQ

What are ST4 files?

An ST4 file represents a RAW image taken with an SBIG CCD camera. SBIG is a producer of astronomical instruments and ST4s most likely contain images related to some type of scientific or industrial application. They are considered rare and are probably difficult to open using regular image viewers.

What are RLA files?

The RLA image format, whose name stands for Run-Length Encoded Version A, is associated with the animation package Wavefront Advanced Visualizer. RLAs are output files storing 3D data and used for exchanging graphical data with other applications. They store several types of information, including images captured from live video, 3D rendered images and graphic images, field-rendered images and multichannel rendered image data.

Can reaConverter convert ST4 to RLA?

Yes! reaConverter instantly converts .st4 to .rla 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 ST4 to RLA online?

If you only need to convert a few ST4 files to RLA format, feel free to try our free online free online ST4 to RLA converter — perfect for small batches with no installation needed!

How can I turn ST4 files into RLA on my computer?

The best way to change ST4s to RLAs 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 ST4 to RLA.

How can I automate ST4 to RLA 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 ST4 files to RLA using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line st4 to rla converter for batch processing.

What else can I do with reaConverter?

Convert RAW photosConvert GIS filesConvert PDF filesAdd watermark on imageChange format settings

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