Annotate Image – Add Labels to Photo Online
Annotate Image - Add Labels to Photo for free. Add text labels with background to your photos. Fast, private, 100% client-side.
Add text annotations with background to your image.
Click to upload or drag and drop
JPG, PNG, WebP, GIF
How to Use Annotate Image – Add Labels to Photo Online
- Click the upload area or drag and drop your image file
- Enter the text you want to add as an annotation
- Adjust the X and Y coordinates to position the text on the image
- Customize text size, color, and background color as needed
- Preview your annotated image in real-time
- Click "Download" to save the annotated image to your device
Frequently Asked Questions
Is my image data secure?
Yes, absolutely. All image annotation happens entirely in your browser using client-side JavaScript. Your image is never uploaded to any server, ensuring complete privacy and security.
Is this annotation tool free?
Yes, completely free with no registration, hidden fees, or usage limits. Annotate as many images as you need.
Does this work offline?
Yes, once the page loads, you can annotate images completely offline without an internet connection.
What image formats are supported?
The tool supports all common image formats including JPG, PNG, WebP, and GIF. The output is typically saved as PNG to preserve annotation quality.
How do I position the text exactly where I want it?
Use the X (horizontal) and Y (vertical) coordinate inputs. X=0 is the left edge, Y=0 is the top edge. Adjust the numbers to move the text, or click the image to set coordinates visually (if supported).
Can I add multiple annotations to one image?
Currently, the tool adds one text annotation at a time. To add multiple labels, download the first annotated image, then re-upload it and add the next annotation.
What does the background color option do?
The background color adds a colored box behind your text to improve readability. Use “transparent” for no background, or enter a color name or hex code like “#000000”.
Can I change the font style?
The tool uses a standard sans-serif font for clarity. You can adjust the size (8-200 pixels) to make text larger or smaller based on your image dimensions.
What are common use cases for image annotation?
Perfect for adding watermarks, labeling diagrams, creating educational materials, marking up screenshots, adding captions to photos, highlighting features, or preparing images for presentations.
Does the tool preserve image quality?
Yes, the tool maintains the original image resolution. The annotation is rendered directly on the canvas, so your final image quality matches the input quality.