Free Image Annotation Tool
Annotate images by hand and export in standard formats — completely free, forever. No credit card, no payment, no time limit. Upgrade to AI auto-labeling when you need it.
Free forever · No credit card required · Export anytime
Free manual annotation, with an AI upgrade path
Manual Annotation
Draw bounding boxes, polygons, and segmentation masks by hand. Free forever — no credit card needed.
Export in Standard Formats
Export as YOLO (images + annotations), JSON annotations, or COCO (images + JSON annotations). All free.
AI Auto-Labeling (Upgrade)
Upgrade to let the SSAT agent annotate up to 80% of your data automatically — bounding boxes, polygons, and masks.
Train & Deploy Models (Upgrade)
Train custom computer vision models and deploy via API — all inside vfrog. No separate tools needed.
How it works
Upload your images
Drag and drop your images into the browser — nothing to install.
Annotate manually
Draw bounding boxes, polygons, or segmentation masks directly on your images.
Export your annotations
Download in YOLO, JSON, or COCO format — done. No credit card required.
Other free tools vs vfrog Free
| Other Free Tools | vfrog Free | |
|---|---|---|
| Price | Varies | Always free |
| Export formats | Limited | YOLO, JSON, COCO |
| Credit card required | Sometimes | No — free forever |
| AI upgrade path | No | Yes — upgrade to auto-label with SSAT |
| Cloud or local | Varies | Browser-based, nothing to install |
Annotation Tool FAQ
Is the annotation tool really free?
Yes. Manual annotation and export are free forever — no credit card, no payment, no time limit. Just create a free account and start labeling. You only pay if you upgrade to AI-powered features like auto-labeling or model training.
What export formats are supported?
You can export as YOLO (images + annotations), JSON annotations, or COCO (images + JSON annotations). All formats are included for free.
Do I need to pay anything?
No. Create a free account and you can annotate and export as much as you want — no credit card, no trial period, no limits. Payment is only required if you upgrade to AI auto-labeling, synthetic data, or model training.
What do I get if I upgrade?
Upgrading unlocks AI auto-labeling with the SSAT agent (annotates up to 80% of your data automatically), synthetic data generation, one-click model training, and API deployment.
How does vfrog compare to CVAT or Label Studio?
vfrog's manual annotation tool is free with zero setup — open your browser and start labeling. When you're ready, upgrading adds AI-powered auto-labeling that tools like CVAT and Label Studio don't offer, plus integrated model training and deployment.
Is the annotation tool really free?
Yes. Manual annotation and export are free forever — no credit card, no payment, no time limit. Just create a free account and start labeling. You only pay if you upgrade to AI-powered features like auto-labeling or model training.
What export formats are supported?
You can export as YOLO (images + annotations), JSON annotations, or COCO (images + JSON annotations). All formats are included for free.
Do I need to pay anything?
No. Create a free account and you can annotate and export as much as you want — no credit card, no trial period, no limits. Payment is only required if you upgrade to AI auto-labeling, synthetic data, or model training.
What do I get if I upgrade?
Upgrading unlocks AI auto-labeling with the SSAT agent (annotates up to 80% of your data automatically), synthetic data generation, one-click model training, and API deployment.
How does vfrog compare to CVAT or Label Studio?
vfrog's manual annotation tool is free with zero setup — open your browser and start labeling. When you're ready, upgrading adds AI-powered auto-labeling that tools like CVAT and Label Studio don't offer, plus integrated model training and deployment.
Ready to annotate?
Start for free — no credit card, no limits. Upgrade when you need AI.
Free forever · No credit card required