Feature list
The whole
darkroom.
Everything CHRO-MA-SMITH does, grouped. Open a section, or search.
01Looks and film
13
133 film looks
Start with calibrated colour, cinema, instant, reversal or black-and-white looks.
One-tap Looks gallery
Preview a look on your photo and apply it with one click.
Custom .cube LUTs
Load a LUT you already own and use it as the starting look.
Kodak and Fuji print profiles
Add a print-film response after the base look.
Film grain
Add grain shaped for formats from 8mm to 65mm.
Halation
Let bright edges glow into neighbouring dark areas.
No-remjet halation
Push halation toward a stronger, stylised glow.
Bloom
Give bright areas a softer spread of light.
Film dust and scratches
Layer procedurally placed dust, hairs and scratches onto the image.
Light leaks
Add warm film-like light intrusions and reshuffle their placement.
Film frames
Finish with sprockets, rebates and edge printing.
Vignette
Draw attention inward by shaping the edge brightness.
Reusable Styles
Save a finished editing recipe and apply it again later.
02Light and colour
15
Exposure
Brighten or darken the image without changing the chosen look.
Contrast
Shape the separation between lighter and darker tones.
White balance
Adjust temperature and tint to make the colour feel right.
White-balance eyedropper
Click a neutral area to correct the colour cast.
Auto-enhance
Set a quick starting point for levels and white balance.
Master tone curve
Draw the overall tonal response directly.
RGB channel curves
Shape the red, green and blue channels independently.
Parametric curves
Adjust shadows, darks, lights and highlights with four controls.
Eight-band colour mixer
Tune hue, saturation and luminance by colour band.
Lift, gamma and gain wheels
Tint shadows, midtones and highlights separately.
Dehaze
Recover clarity in flat or hazy scenes.
Noise reduction
Quiet unwanted image noise while keeping useful detail.
Sharpening
Restore crispness at the level the image needs.
Deconvolution sharpening
Recover detail softened by lens or sensor blur.
Highlight roll-off
Keep bright regions gentler with filmic tone-mapping options.
03Masks and retouching
14
Radial masks
Make a soft oval adjustment around a subject or light source.
Linear masks
Grade one side of the frame with a graduated transition.
Brush masks
Paint an adjustment exactly where it belongs.
Sky masks
Separate the sky for its own grade.
AI subject masks
Select a subject from the photo for local editing.
Colour-range masks
Target pixels by colour rather than by location.
Luminance-range masks
Target an adjustment to a chosen brightness range.
Depth masks
Use estimated scene depth to separate near and far areas on desktop.
Mask edge refinement
Snap rough mask edges toward real image boundaries.
Skin-tone tools
Even out patchy skin colour while keeping the image's character.
Face-feature exclusion
Keep eyes, lips and other facial details out of a skin adjustment.
Named-subject masks
Teach a subject from examples and find it again in other photos.
Heal
Blend away a spot before the film look and grain are applied.
Clone
Copy a source area precisely to repair the frame.
04Composition and multi-image
10
Crop and aspect ratio
Reframe the photo for its final destination.
Rotate and flip
Change image orientation without leaving the editor.
Straighten and auto-level
Level the horizon manually or let the app find a dominant line.
Perspective correction
Bring leaning lines back into shape.
Borders and canvas mattes
Place the image inside a chosen border, aspect and background.
Collage layouts
Place multiple images in adjustable rows, columns and grids.
HDR merge
Blend bracketed exposures into one image on desktop.
Focus stacking
Combine frames focused at different distances on desktop.
Astro stacking — beta
Stack night-sky captures from the desktop library.
Two-photo panorama — beta
Stitch a pair of photos into one wider image.
05Desktop photo library
13
Local library
Browse your archive on your machine without uploading it.
Folder and collection browsing
Move through folders, dates and curated groups of images.
SD-card import
Copy a shoot by capture date and make a verified second copy.
Keywords
Add searchable words to describe and group photos.
Duplicate detection
Find repeated files while reviewing the library.
Culling
Pick the keepers from a shoot before editing.
People recognition
Find and name faces with processing on your device.
Natural-language search
Describe a photo in words and search locally for it.
Suggested tags
Get on-device tag suggestions for a selected photo.
Virtual copies
Keep more than one edit version of the same photo.
Offline edits
Work from a cached preview and apply the edit when the source returns.
Lightroom round-trip
Open a Lightroom photo in CHRO-MA-SMITH and return the result.
Lightroom cloud browser
Browse connected Lightroom cloud photos from the desktop app.
06Input, export and workflow
19
RAW decoding
Open camera RAW files and develop them locally.
DCP camera profiles
Use camera colour profiles for more faithful RAW starting colour.
V-Log input
Convert Lumix V-Log material before grading it.
Multi-photo filmstrip
Load several images and switch between their previews.
Shared and per-photo edits
Apply a look to the batch, then adjust an individual frame.
Match a series
Align exposure and white balance across a shoot to one reference photo.
Before-and-after comparison
Check your grade against the original image.
Live histogram
Watch tonal distribution while you edit.
1:1 loupe
Inspect the full rendering pipeline at native image scale.
Undo and redo
Move safely backward and forward through editing decisions.
Session save and restore
Keep slider settings locally and return to them later.
Full-resolution export
Render the finished image at its original resolution.
JPEG, PNG, WebP and TIFF
Choose the output format that suits the job.
HDR gain-map HEIC
Export extended-range highlights from a RAW source.
XMP sidecars
Keep an edit record alongside the source file.
Export presets
Save quality, format, resize and sharpening settings as a preset.
LUT from a before/after pair
Build a reusable .cube look from two versions of one image.
Colour Copy
Match a reference image's colour into a .cube LUT or XMP preset.
Lumix Lab LUT export
Tag a .cube file for a look you can take back to a Lumix camera.
07Video — beta
8
Clip grading
Use the still-photo look stack on a video clip.
Trim in and out
Choose the segment of a clip to export.
Audio passthrough
Keep the source audio without re-encoding it.
Scopes
Read the clip's signal as you grade.
Safe-area guides
Check framing with overlay guides.
Fades
Ease the picture in or out of a clip.
Gate weave and film breath
Add restrained analogue motion to a graded clip.
Frame capture
Export the current video frame as a still image.
08Access and privacy
8
Browser editor
Open the app without installing a desktop package.
Phone layout
Edit with a touch-first tool sheet on a smaller screen.
Offline web use
Keep editing after the first load when the connection goes away.
Home-screen install
Add the web app to your phone's home screen.
Swipe between photos
Move through a loaded batch with a touch gesture.
Hold to compare
Press and hold on mobile to check the original.
On-device processing
Keep your photos on the device where you edit them.
No account or subscription
Open the free, open-source app without signing in.
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