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Image Annotation Tool

Add arrows, shapes, text, and highlights to any image. Free, no signup required.

Upload Image

Drop image or click

PNG, JPG up to 10MB

Tools

Color

Stroke Width: 3px

History

Upload an image to start annotating

Want more? ScreenSnap Pro has 11 annotation tools built-in

Annotate screenshots instantly as you capture them — plus GIF recording, gradient backgrounds, and instant cloud sharing. No separate upload step needed.

Try ScreenSnap Pro — $29 one-time

Frequently Asked Questions

What annotation tools are available?

You can add arrows, rectangles (outlined or filled), circles/ellipses, straight lines, text, freehand drawings, and highlights to your images.

Is this annotation tool free?

Yes, completely free with no signup required. Your images are processed locally in your browser — we never upload or store them.

Can I undo my annotations?

Yes! You can undo and redo any annotation, or clear all annotations at once to start fresh.

What image formats are supported?

You can upload PNG, JPG, JPEG, and WebP images. The output is always a high-quality PNG file with your annotations.

Learn More

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