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+---
+title: DD Photos
+repo: dougdonohoe/ddphotos
+homepage: https://ddphotos.donohoe.info
+language:
+  - Go
+  - TypeScript
+license:
+  - AGPL-3.0-only
+templates: []
+description: Static photo & video album gallery generator
+---
+
+## Fast, distraction-free photo and video albums
+
+Curate your photos wherever you already do — Lightroom, Apple Photos, Google Photos — then export a
+selection into a folder. Every folder of photos and videos is an album. Point DD Photos at those
+folders, and it builds a static album site: no server code, no database, no ads, no social media.
+
+Albums are declared in an `albums.yaml` file, where you give each one a name, description and cover
+photo, alongside your site's title, description and optional hero image. An optional `photogen.txt`
+in an album folder adds per-photo captions and overrides the default sort-by-capture-date order.
+
+## Highlights
+
+- Justified photo grid with a PhotoSwipe lightbox that adapts to any screen size. Swipe between
+  photos on mobile, or use arrow keys and ESC on a laptop.
+
+- Videos (`.mov`, `.mp4`, `.m4v`) sit in the same grid as your photos, marked with a play badge and
+  their duration, and play right where the full size photo would appear. Poster frames run through
+  the same pipeline as stills, so the grid treats video and photos identically.
+
+- Human-readable album URLs (`/albums/antarctica`) and a shareable permalink for every photo
+  (`/albums/patagonia/5`), plus OpenGraph tags for rich link previews when sharing.
+
+- Optional password protection for a single album or the whole site. Passwords are never stored
+  server-side — decryption happens in the browser via the Web Crypto API, and filenames in encrypted
+  albums are HMAC-derived so they can't be guessed.
+
+- Dark/light theme toggle, a custom CSS override to restyle the site without touching its source,
+  and a `/privacy` page documenting everything kept in browser local storage.
+
+- Two efficient WebP sizes are generated (600px grid, 1600px full) with all metadata stripped, so
+  there's no GPS leak. Resizing runs concurrently, EXIF dimensions and dates are extracted to JSON,
+  and `ffmpeg` is only downloaded the first time a video is seen — photo-only sites never fetch it.
+
+## How it works
+
+The `photogen` Go program resizes your images, transcodes video to browser-friendly H.264/AAC MP4,
+and generates the index files (`albums.json`, a per-album `index.json`, and `sitemap.xml`) that the
+site consumes. The frontend is a statically generated SvelteKit app: pre-built HTML and assets are
+served directly by any web server, with photo data fetched client-side from those static indexes.
+
+You can run it from the companion desktop app, from source, or from Docker without any developer
+tooling:
+
+```bash
+mkdir ~/my-ddphotos
+docker run --rm -v ~/my-ddphotos:/ddphotos dougdonohoe/ddphotos init
+cd ~/my-ddphotos
+./ddphotos photogen   # resize images and create index files
+./ddphotos run        # run dev server at http://localhost:5173
+./ddphotos build      # build static site
+```
+
+The result deploys anywhere static: one command to Cloudflare Pages or Surge, or `rsync` to
+Apache/nginx and `aws s3 sync` to S3 + CloudFront.
+
+## Source
+
+- [DD Photos](https://github.com/dougdonohoe/ddphotos) — the generator itself.
+- [DD Photos desktop app](https://github.com/dougdonohoe/ddphotos-app) — the open-source companion
+  app, and the easiest way to run it.