Free block poster maker for turning photos or AI art into wall-sized prints
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
HK
FR
Pricing model
Freemium
Open source
Pricing
Free: basic PDF export up to 150 DPI with watermark. Starter $4.99/month with 20 AI credits, unlimited HD PDFs. Creator $19.99/month with 200 AI credits, unlimited HD PDFs. Studio $39.99/month with 1,000 AI credits, unlimited HD PDFs. One-time options: $4.99 with 1 source-image unlock and 2 AI credi
Pay what you want, from €0
Key features
Upload photos or generate AI artwork
Choose from five paper sizes
Crop and adjust margins and overlap
Preview layout before downloading
Free and paid export options
Batch processing of multiple images
Save and reuse print presets
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
Private photo processing stays on your device
Full-featured free edition without account
Works with ordinary home printer paper
AI generation integrated directly in workspace
Clear separation of credits and unlocks
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
BlockPoster.ai
mask bridge