Weasis is a standalone and web-based software for visualizing images obtained from medical imaging devices. This free DICOM viewer is used in healthcare by hospitals, health networks, multicenter research trials, and patients.
- General information
- Download binary releases
- Live Demo with different datasets
- Issues (Old Issue Tracker)
- Forum: Google group or GitHub Discussions
See CHANGELOG
The master branch requires Java 21+.
Old branches are:
- 3.8.x (Java 8+)
- 2.5.x (Java 8+)
- 2.0.x (Java 6+)
- 1.2.x (Java 6+)
- Flexible integration with PACS, VNA, RIS, HIS or PHR (see integration documentation)
- Desktop distribution (Windows, macOS, and Linux)
- Responsive user interface working well on high DPI screens
- Web access through weasis protocol
- Multi-language support
- Configuration of preferences on server-side and client-side
- API for building custom plug-ins
- DICOM Send (storeSCU and STOW-RS)
- DICOM Query/Retrieve (C-GET, C-MOVE and WADO-URI) and DICOMWeb (QUERY and RETRIEVE)
- Dicomizer module to convert standard images into DICOM files
- Embedded DICOM viewer in CD/DVD or other portable media
- Display all kinds of DICOM files (including multi-frame, enhanced, MPEG-2, MPEG-4, MIME Encapsulation, DOC, SR, PR, KOS, AU, RT and ECG)
- Viewer for common image formats (TIFF, BMP, GIF, JPEG, PNG, RAS, HDR, and PNM)
- Image manipulation (pan, zoom, windowing, presets, rotation, flip, scroll, crosshair, filtering...)
- Layouts for comparing series or studies
- Advanced series synchronization options
- Display Presentation States (GSPS) and Key Object Selection
- Create key images (Key Object Selection object) by selection
- Support of Modality LUTs, VOI LUTs, and Presentation LUTs (even non-linear)
- Support of several screens with different calibration, support of HiDPI (High Dots Per Inch) monitors, full-screen mode
- Orthogonal Multi-planar Reconstruction (MPR)
- Maximum Intensity Projection
- Volume rendering with presets
- Display Structured Reports
- Display and search into all DICOM attributes
- Display cross-lines
- Measurement and annotation tools
- Region statistics of pixels (Min, Max, Mean, StDev, Skewness, Kurtosis, Entropy)
- Histogram of modality values
- SUV measurement
- Save measurements and annotations in DICOM PR or XML file
- Import CD/DVD and local DICOM files
- Export DICOM with several options (DICOMDIR, ZIP, ISO image file with Weasis, TIFF, JPEG, PNG...)
- Magnifier glass
- Printing to DICOM and system printers
- Read DICOM image containing float or double data (Parametric Map)
- DICOM ECG Viewer