albedo

A RAW developer and compositor that runs entirely in your browser.

https://zahakj.github.io/albedo/app/

git clone https://github.com/ZahakJ/albedo && cd albedo && npm install && npm run dev

npm run setup-models adds the AI models. npm run build writes a static site to dist/.

Features

• Opens CR2, CR3, NEF, ARW, RAF (Bayer and X-Trans), ORF, RW2, PEF, DNG and the rest of LibRaw, plus JPEG and PNG.
• Develop runs on the GPU: 2.4 ms a frame on 24 MP, 2.3 ms on 45 MP with eight masks.
• A 45 MP RAW exports to full-resolution JPEG in 0.57 s.
• Masks: linear, radial, brush, and AI subject, sky, background or object. Subject in 93 ms.
• Remove, heal, clone and AI Denoise, all on your machine. Denoise does 45 MP in 3.8 s.
• Compose: layers with the RAW inside as a smart object, Develop and Photoshop-style adjustment layers, 27 blend modes, masks, groups, styles, 8, 16 or 32 bits.
• A 50-layer, 24 MP document redraws in 6.7 ms.
• Type shaped by HarfBuzz: Arabic and mixed-direction lines set right.
• Lightroom XMP sidecars and presets, and PSD, read and written. DNG and 16-bit TIFF out.
• Library: flags, ratings, albums, smart collections. A 10,000-photo catalog filters in 12–19 ms.
• Works offline once installed. No account, no upload.

Measured on an RTX 4070 SUPER in Chromium 151: BENCHMARKS.md.

Browser

WebGPU: Chrome or Edge 113+, Safari 26, Firefox 141+. On Linux, Chrome needs WebGPU switched on. Library and Develop fall back to WebGL2; Compose needs WebGPU.

Docs

Manual · Architecture · Pipeline · Catalog · Presets and XMP · Models · Benchmarks · The field · Limits · Development

Licence

AGPL-3.0-only. Copyright (c) 2026 ZahakJ. Other terms are available from the copyright holder.

Bundled: LibRaw (CDDL-1.0 or LGPL-2.1, via libraw-wasm, with Little CMS), SQLite (public domain), onnxruntime-web (MIT), React (MIT), HarfBuzz (Old MIT, via harfbuzzjs), bidi-js (MIT), IBM Plex (OFL-1.1, OFL.txt beside each font), the lensfun database (CC BY-SA 3.0, public/lensfun/LICENSE). The AI models are fetched at setup under their own licences, listed in MODELS.md. Sample photos are CC0 from raw.pixls.us.