Rembrandt launched as a free photo editor for macOS, Windows and Linux. It requires no account, no subscription and does no tracking. It supports RAW files from over 1,000 cameras. It offers on-device AI for masks, refocus and super resolution. It can be self-hosted for browser-based editing. It saves edits as open XMP files next to the originals. It includes library management with albums, search and batch operations. Optional paid cloud sync is the only feature needing an account.