Damselfly
Damselfly indexes large image collections for search and retrieval using IPTC keywords, folder names, and file names, with object and face detection.
About Damselfly
Damselfly is a server-based, open-source photograph management application designed for large, folder-based image collections. It indexes images to enable fast search and retrieval using IPTC keyword tags, folder and file names, and includes built-in object detection, face detection, and face recognition functionality. The tool supports most common image formats including JPG, PNG, HEIC, TIFF, Webp, BMP and RAW formats such as DNG, CR2, ORF, and NEF.
Key features
- Indexes images via IPTC keywords, folder and file names
- Includes object detection, face detection and face recognition
- Supports JPG, PNG, HEIC, TIFF, Webp, BMP and RAW formats
- Full-text search with multi-phrase partial-word matching
- Multi-user support with role-based access entitlements
- Web-based UI with desktop client for local image sync
Best for: Individuals or teams managing large folder-based photograph collections who need fast search, AI-powered tagging, and multi-user access.
Good for
- Fast search performance, with 500,000-image catalogues returning results in under a second
- Non-destructive keyword tagging that does not re-encode JPEG files
- Server-based deployment allows multi-device access without local catalogue copies
Damselfly at a glance
- Category
- Online Tools › Image Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Damselfly FAQ
What image formats does Damselfly support?
It supports JPG, PNG, HEIC, TIFF, Webp, BMP and RAW formats including DNG, CR2, ORF, and NEF.
What search and filtering capabilities does Damselfly offer?
It provides full-text multi-phrase partial-word search, plus filters for date ranges, objects/faces, camera/lens details, file size, orientation, untagged images, and visually similar images.
Does Damselfly support multiple users with different access levels?
Yes, it includes multi-user support with role-based entitlements, such as read-only access that prevents users from keyword-tagging images.
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