thesnarkitecht/rembrandt: A free picture editor. No account, no subscription, no monitoring. RAW, masks and on-device AI for macOS, Windows and Linux. Self-hostable. · GitHub


Stop paying for Adobe. Flush the incrapification.

A free picture editor for macOS, Windows and Linux.
No account wanted, no subscription, no “we’ve up to date our phrases” emails.

Download ·
Self-host ·
Features ·
Build

Editing a photo in Rembrandt

All recordsdata and checksums: Releases.
Builds aren’t code-signed but: on macOS use System Settings → Privacy & Security → Open Anyway;
on Windows More information → Run anyway.

Serve Rembrandt from the pc that holds your images and edit them in any browser:

curl -fsSL https://raw.githubusercontent.com/thesnarkitecht/rembrandt/main/install.sh | bash -s -- --server

It asks which picture folder to make use of, begins at login, and prints a non-public hyperlink. Edits are saved subsequent
to every picture as XMP; the images themselves are by no means modified. Add --lan to succeed in it from different
gadgets in your community. Linux and macOS; one small dependency-free binary (server/).
To replace, press Update within the browser (Settings › About); it installs the newest launch,
checks it towards the revealed SHA-256 sums, and restarts the server.

  • Ask in phrases: kind “hotter and a bit brighter”, “down publicity by ten factors”, “shadows +25”
    or “paste the edits from the earlier picture” (Ctrl/⌘ Ok). A small Rembrandt in dots thinks it over,
    then makes every change whilst you watch the sliders transfer. It runs in your machine: a vocabulary, not
    a language mannequin.
  • Edit the picture itself: drag up or down on any a part of the image to lighten or darken that
    tone, left or proper to alter that color; the sliders comply with.
  • AI seems to be: Enhance, Relight, Sky, Atmosphere, Sunrays, Skin, Motion and Lens Blur with
    aperture shapes, from on-device depth and topic maps.
  • Refocus: brings again element in out-of-focus images, even heavy defocus (regularised
    deconvolution on the GPU), on the topic or the entire image.
  • Super Resolution: 2× and 4× with actual element, or Restore on the similar dimension for smooth images;
    runs on the GPU (Metal on Apple silicon).
  • AI Denoise: clear high-ISO pictures into a brand new DNG with the identical edits, on the GPU.
  • Background work that stays out of the best way: AI Denoise, Super Resolution and merges run in small
    GPU slices that pause whilst you edit, or whenever you’re away, or in a single day in an evening window you set
    (Settings › Performance). The queue survives restarts.
  • Merge: HDR from brackets, panoramas and focus stacks, every to a RAW-like DNG.
  • RAW from 1,000+ cameras, developed on the GPU: tone, color, curves, grading, dehaze, element.
  • Masks: brush, gradients, color and tone ranges, AI topic, background, object and depth.
  • Remove: heal and clone spots and strokes; Rembrandt picks an identical supply for you.
  • Lens corrections: the digicam’s built-in profile from Fujifilm and Sony RAWs, or considered one of 1,500
    lens profiles from Lensfun (distortion, vignetting, chromatic
    aberration), plus guide distortion and vignetting for any picture. Auto straighten ranges horizons.
  • On-device AI: Refocus, background substitute. Nothing is uploaded.
  • Library: albums, rankings, flags, color labels, key phrases, digital copies, search, Find comparable,
    sorting, keyboard shortcuts (or Lightroom’s), one-click delete with Undo.
  • Batch: copy and paste edits to tons of of images, batch export, and presets that match every
    picture’s publicity. Watch a folder to use a preset and album to new images as they arrive.
  • Share how: a earlier than/after web page with a slider, a replay video of the edit, or the recipe inside
    the exported file so anybody can see (and reuse) the way it was edited.
  • Bring your images: folders, Lightroom Classic (edits, key phrases, labels, digital copies,
    collections, with a report of something that may’t come over) and Lightroom, Google Photos, Google Drive,
    Dropbox, OneDrive (setup). Export again to them too.
  • Open codecs: edits are commonplace XMP, readable by Lightroom and others.
  • Cloud sync (non-obligatory, paid): flip it on in Settings to sync edits, albums and images between
    your computer systems, the net and your telephone. It’s the one factor that wants an account, and the one
    factor that prices cash; every little thing else stays free.

Rembrandt is free and stays free. Star the repo, inform a photographer,
report a bug or ship a repair.

npm ci && npx http-server -c-1 .   # internet app
npm run tauri dev                  # desktop app (Rust + Tauri conditions)

Details in docs/building.md. Contributions welcome: CONTRIBUTING.md.

Free software program underneath the GNU General Public License v3.0 or later, the identical licence as
darktable. Use it, research it, change it and share it; when you distribute a modified model, share its
supply underneath the identical phrases. It may additionally be distributed by app shops (a further permission
underneath the GPL; see NOTICE.md, which additionally lists the third-party components).

Screenshot images from the scikit-image pattern information: espresso by Rachel Michetti and cat by
Stefan van der Walt (CC0), rocket launch by SpaceX and Hubble eXtreme Deep Field by NASA (public
area).



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