Free CV tools — converters, calculators, previews
Five utilities every computer-vision team needs. Runs entirely in your browser — no data leaves your machine, no API key required, no quota.
YOLO → COCO converter
Paste YOLO TXT annotations + class names, get COCO JSON. Runs entirely in your browser.
Open toolCOCO → YOLO converter
Drop a COCO JSON file, get a ZIP of YOLO TXT files + dataset.yaml.
Open toolIoU calculator
Compute and visualise Intersection-over-Union between two bounding boxes.
Open toolDataset class-balance checker
Paste a COCO JSON or YOLO labels folder, see per-class counts + imbalance ratio.
Open toolAugmentation preview
Upload an image, preview Albumentations transforms (flip, rotate, brightness, …) live.
Open toolNeed the same operations at scale?
These browser tools run on tens of images. The mSightFlow API runs on thousands — with audit trails, webhooks, and dataset versioning.