FastStone Image Viewer
6.8#4 in file viewer software$34.95 one-timeFree planWindows
VisitFastStone Image Viewer vs File Viewer
File Viewer
5.6#25 in file viewer softwareWebSelf-hosted
VisitWhat both publish
| Fact | FastStone Image Viewer | File Viewer |
|---|---|---|
| Formats | It supports major graphic formats and popular camera RAW formats, including HEIC, WEBP, PDF, SVG, and JPEG XL. | The maker lists 274 registered file extensions across 47 preview pipelines, with 224 stable and 50 experimental extensions. |
| Product | FastStone Image Viewer is an image browser, converter, and editor. | File Viewer is a read-only, browser-based file preview component for Office, PDF/OFD, CAD, archives, email, and other formats. |
| Support | FastStone lists technical support by email at [email protected]. | The repository directs users to GitHub Sponsors for maintenance support and enterprise support for private deployments or response commitments. |
FastStone Image Viewer plans
- Personal and educational—
- Commercial lifetime license$34.95, paid once
- FastStone Image Viewer (personal and educational use)Free
- FastStone Image Viewer (commercial license)$34.95, paid once
File Viewer plans
No prices published.
Pick FastStone Image Viewer if…
FastStone Image Viewer may suit Windows users who need to browse, edit, compare, or batch-process images, including camera RAW formats. It may also fit users who want scanner support or a portable version for removable storage.
Pick File Viewer if…
File Viewer may suit teams building browser-based file previews into web applications, especially when they want self-hosted or offline deployment. It is for viewing rather than editing files.