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Image Annotation Tool
Add arrows, shapes, text, and highlights to any image. Free, no signup required.
3px
Drop an image here or click to upload
PNG, JPG, WebP up to 10MB
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
Take your screenshot annotation skills to the next level:
Available formacOS&Windows
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ScreenSnap Pro turns plain screenshots into polished visuals — backgrounds, annotations, GIF recording, and instant cloud links.
See ScreenSnap Pro