GPU develop engine
Metal-accelerated develop pipeline for full-resolution RAW on Apple Silicon.
Non-destructive RAW editing that stays on your Mac.
Now open sourceThe photo editor is free under Apache 2.0. Clone the repo, build locally, and contribute — full guide on the Open Source page.Build & contribute →Ama Dablam · 6,812 mKai is climbing Ama Dablam in Nepal and raising funds for the expedition — donate $20+ and a lifetime MeraRAW license is on us.Read & donate →MeraRAW is a non-destructive RAW editor for photographers. You drive the develop tools by hand; originals stay on your machine and are never uploaded for processing.
Metal-accelerated develop pipeline for full-resolution RAW on Apple Silicon.
Subject and sky detection on-device, plus radial, linear, and brush masks — each with its own develop stack.
Edits and RAW processing stay on your Mac. We don't upload your originals.
The full MeraRAW photo editor is now open source under the Apache License 2.0. Clone the repository, build it locally, and start editing your RAWs — or contribute to the project.
Signed builds for photographers who want a ready installer. Apple Silicon is live now; Intel, Windows, and Linux land as CI finishes. Prefer source? Use Build from Source below.
Support Kai's Ama Dablam climb
Kai is climbing Ama Dablam — 6,812 m in the Khumbu, Nepal — and crypto sent here goes toward the expedition. Tap the QR icon to scan with MetaMask (EVM) or your wallet app.
Prefer a card? Donate on the expedition page — $20 or more includes a lifetime MeraRAW license.