Extensible Image Viewer
Open-source. Web-based. Free to use.
The OHIF Viewer is a versatile, lightweight tool for medical imaging visualization, analysis, and custom workflows that runs entirely in your browser.
OHIF is a program of Massachusetts General Hospital, developed in collaboration with Radical Imaging to advance the open-source medical imaging community. Learn more
Massachusetts General Hospital Project Management & UX Design
Radical Imaging Architecture and Software Development
National Institutes of Health Funding through Grant Support
Learn more
explore the imaging platform
Performance focused web app
GPU-accelerated, advanced visualization in your browser, optimized for speed and usability
Custom workflows & Experience
Efficient and streamlined workflows including segmentation, custom views, and more
Flexible & extensible framework
Open platform designed for flexibility, easy integration, and robust community support
Collaborate and Innovate
with peers and experts
Slack community
Join our Slack community to share ideas, get support, and contribute to OHIF Viewer
Office Hours
Bi-weekly sessions to ask questions, share feedback, get personalized support directly from experts
Expert Support for OHIF
Get expert support from OHIF's core engineers to customize OHIF, integrate AI, or upgrade to the latest version
Principal organizations
Founding collaborators and funding organizations
Founding members
Massachusetts General Hospital (MGH)
OHIF is a program of MGH, a non-profit medical center, which provides Project Management, UX design, and software testing
Radical Imaging
Leads OHIF architecture and software development; offers support to third parties seeking experts to extend or customize the platform
Supported with grants from
NIH National Cancer Institute ITCR
The NIH/NCI Informatics Technology for Cancer Research (ITCR) program has funded OHIF through grants since its start (2015-20, 2023-28)
Chan Zuckerberg Initiative (CZI)
OHIF received several grants (2020-2023) from the CZI Essential Open-Source Software for Science (EOSS) program
Stay up to date
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