Free, open-source plugin for Lightroom Classic that exports masks as PNG, TIFF or JPEG files
Stage
Not given
Not given
Founded
Not given
Not given
Based in
DE
FR
Pricing model
Paid
Open source
Pricing
One-time purchase price to be announced before launch. Without a license, the software works with basic features indefinitely but exports carry a watermark.
Pay what you want, from €0
Key features
Supports Windows, macOS and Linux
Accepts Word and Markdown manuscripts
Generates print-ready PDF for KDP and IngramSpark
Creates EPUB 3 for ebook stores
Automatic layout of running heads and chapter openers
Professional typography with correct quotation marks and dashes
German language typography support
Works offline without requiring an account
Custom theme saving in licensed version
Export masks as PNG, TIFF or JPEG
Batch process multiple images and sequences
Local AI-powered object detection with RF-DETR
Standard and HD Fine Detail quality modes
Generate transparent PNG cutouts
Offline processing without internet or account
Matching filenames for images and masks
macOS and Windows support
MIT open-source license with source code on GitHub
Apple-signed and notarized builds
What makes it different
Runs natively on Windows, macOS and Linux while the best-known alternative only runs on Mac
Professional typography handling for both English and German
Offline desktop app with no account or cloud dependency required
One-time purchase model instead of subscription
Includes free tools for KDP formatting and quote/dash fixing
Exports masks as image files for use in 3D workflows, compositing and other tools outside Lightroom
Processes images locally on your computer with no internet or account required
Supports batch workflows for multi-view sequences used in photogrammetry and Gaussian splatting
Open source under MIT license with readable and modifiable code
Pay-what-you-want pricing with no license key required
Kernsetzer
mask bridge