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mask bridge vs Diagram Smith

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

mask bridge compared with Diagram Smith
Detailmask bridge logo mask bridgeDiagram Smith logo Diagram Smith
What it doesFree, open-source plugin for Lightroom Classic that exports masks as PNG, TIFF or JPEG files Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
StageNot given Not given
FoundedNot given Not given
Based inFR Not given
Pricing modelOpen source Freemium
PricingPay what you want, from €0 Free: no account required, all diagram and chart makers, PNG/SVG/PDF export, no watermark. Pro: Monthly $9.99 a month, Yearly $99.99 a year with 7-day free trial, Lifetime $239.99 once. Euro area: €10.99 a month, €109.99 a year, €259.99 once (VAT included).
Key features
  • 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
  • Flowchart and process diagram maker with canvas and text-to-diagram modes
  • Text-to-diagram tools for UML, ER and sequence diagrams
  • Chart tools: pie chart, line graph, gauge and Sankey diagram
  • Automatic diagram layout from typed text
  • Export to PNG, SVG and PDF without watermark
  • Share diagrams with share links
  • Pro: editable .drawio export and vector PDF
  • Pro: multi-page documents and layers
  • Diagram checks for unlabelled branches and dead ends
  • Works on phone and computer
What makes it different
  • 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
  • Completely free with no account required and no watermark on exports
  • Nothing uploaded: all work stays on your device in your browser
  • Results computed by the same tested code, not manually typed
  • Multiple export formats: PNG at 4 sizes, SVG and PDF
  • Converts between formats: Mermaid to draw.io, SQL to ER, Visio to flowchart
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check2 no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)1419
Referring domains (Majestic)44

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