WSI viewer
Explore whole-slide images, compare two linked views and measure details. Export a region or save your workspace for later.
- Zoom, rotate & mirror
- Measurements & image export
- Two-pane comparison
Free slide tools · Beta
Your slides.
Your workspace.
Explore whole-slide images, compare the details or convert scanner files into the format you need. Everything runs on your computer, with no account or slide upload.
Slide format converter
Convert scanner files into SVS, pyramidal TIFF, OME-TIFF or CSP. Copy original image tiles whenever the output format allows.
- Single files & slide folders
- Local, streamed conversion
- Optional metadata removal
Start with your slide.
Choose a file or a complete slide folder from your device. The viewer opens supported formats directly.
Keep control of your data.
After the tool is ready, viewing and conversion work without a network connection. Slide content and file names stay on your device.
Take your work with you.
Download converted slides, images, measurements or a workspace file. Keep the original slides to reopen a saved workspace.
Supported formats
KFB · JPEG SDPC · CSP · Aperio SVS · pyramidal TIFF / OME-TIFF · Hamamatsu NDPI / VMS / VMU · Leica SCN · Ventana BIF · 3DHistech MRXS · DICOM WSI · Zeiss CZI · Philips TIFF · Trestle
For slides with companion files, choose the whole folder containing the slide and its accompanying data. HEVC SDPC, fluorescence, z-stack navigation and Sakura formats are excluded. Support varies by scanner encoding.
For research and education. These tools do not provide a diagnosis.
Third-party notices