Tech riderRev. 20 Sept 2026
- 1Runs onWeb, Windows, Mac, Linux
- 2CostsNot stated by the maker
- 3Annotation typesbounding box, polygon, polyline, classification
- 4Image formatsJPG, PNG
- 5Model-assisted labelingYes
- 6Dataset exportCOCO, JSON, Xtreme1 annotation format
- 7API accessYes
6 lines stated Written from the maker's own pages: github.com

Overview
Xtreme1 is ranked #14 of 28 in image annotation software on Specifiction. It runs on Web, Windows, macOS, Linux.
Compared on image annotation software
- Annotation types
- bounding box, polygon, polyline, classificationgithub.com
- Image formats
- JPG, PNGgithub.com
- Model-assisted labeling
- Yesgithub.com
- Dataset export
- COCO, JSON, Xtreme1 annotation formatgithub.com
- API access
- Yesgithub.com
Best Xtreme1 alternatives
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Where it ranks on Specifiction
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