Free Research Tool

Dataset
Inspector.

Validate computer vision datasets before training. Identify corrupted images, annotation errors, duplicate samples, potential data leakage, and class imbalance—with actionable recommendations to improve dataset quality.

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What It Covers

Audit the dataset,
not just the model.

Image & Annotation Integrity

Detect corrupted images, missing annotations, invalid coordinates, malformed labels, and other dataset integrity issues.

Duplicates & Data Leakage

Identify duplicate and near-duplicate images, cross-split inconsistencies, and potential data leakage.

Class Balance & Object Scale

Assess class distributions, background-heavy datasets, and small-object prevalence at training resolution.

Convert, Split & Export

Convert supported annotation formats, create balanced dataset splits, and export validation reports.

Supported Workflows
Detection & Instance Segmentation

Common annotation formats

YOLO, COCO, Pascal VOC, LabelMe, CVAT, KITTI and CreateML, plus YOLO-seg and COCO polygon/RLE workflows.

Semantic Segmentation

Mask-based datasets

Indexed, grayscale and RGB masks, including common VOC, Cityscapes, ADE20K and CamVid-style layouts.

Your dataset stays on your device.

Dataset analysis runs locally in your browser. Your files are not uploaded to our servers. Free access, with no account or email required.