100% Secure & Private
ETS Converter
Turn ETS acquisitions into images you can put in a figure, a slide or a teaching set. Batch mode handles a whole experiment in one run.
How to Convert .ets Files in Bulk
1. Install reaConverter
2. Select ETS Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless ETS 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.
Extra Tools
Do more with your files
Converting ETS files for use in a larger project? 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.
User reviews
From those who tried it
Average User Rating:Last updated on July 29, 2026
Questions & Answers
ETS files: Frequently Asked Questions
What are ETS files?
The ETS file format is used by Olympus digital slide scanners as part of their virtual microscopy imaging system. An .ets file contains the actual full-resolution image data captured from a microscope slide, serving as a core component in the VSI (Virtual Slide Image) imaging structure. While a .vsi file acts as a container that manages metadata, navigation, and image structure, the .ets file stores the high-resolution tiled image data required for viewing and analyzing virtual slides at various zoom levels.
Can reaConverter open ETS files?
reaConverter fully supports the ETS file format – open, edit, and export ETS files to any other popular file format with ease.
How do I change ETS to another format?
reaConverter is a user-friendly tool for converting ETS files. Once installed on your computer, it allows you to convert all your .ets files at once with just a few clicks. You can even convert ETS files directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert ETS online?
If you only want to convert a few ETS files, you are welcome to try our free online ETS converter.
How can I turn ETS files on my computer to another format?
The best way to convert ETS files 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 ETS.
How can I automate ETS 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 ETS 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 ets converter.
What else can I do with reaConverter?
Convert vector filesChange image DPIConvert whole-slide imagesResize photoTrace images to vector
What formats can I convert a ETS file to?
Discover More
Beyond ETS conversion
Convert .ets files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.
