Image Annotator
Annotate images in your browser with arrows, shapes, text, and mosaic redaction. Export as PNG or JPG without uploading files.
✍️
Select an Image
Upload one image to annotate locally in your browser
Max file size: 50MB
or drag and drop · press Enter to browse
How to Use
- Upload an image from your device
- Choose arrow, rectangle, ellipse, text, or mosaic from the toolbar
- Drag on the image to add markup, or click to place text
- Adjust color, stroke width, text size, or mosaic size in the properties panel
- Export the annotated image as PNG or JPG
All processing is done in your browser, and files are never sent to a server.
Frequently Asked Questions
No. Annotation and export run locally in your browser using Canvas.
Yes. Use the mosaic tool and drag over the area you want to pixelate.
Yes. The preview may scale to fit the screen, but export renders at the original image dimensions.