Annotate Image Online

Add professional annotations to your images. Draw shapes, add text, arrows, and freehand drawings with customizable colors and styles.

Click to upload or drag and drop

JPEG, PNG, GIF, WebP, BMP, TIFF, SVG

Features

Add text annotations with customizable fonts
Draw shapes: rectangles, circles, arrows, lines
Freehand drawing tool for custom annotations
No server upload - completely private

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How to use the Annotate Image Online?

  1. 1Upload an image by clicking the upload area or dragging and dropping
  2. 2Choose an annotation tool: Text, Rectangle, Circle, Arrow, Line, or Freehand
  3. 3For text: Click on the image and enter your text
  4. 4For shapes: Drag on the image to draw the shape
  5. 5For freehand: Drag to draw custom lines
  6. 6Customize colors, line width, and text settings
  7. 7Click on annotations to select and delete them
  8. 8Download the annotated image when finished

About Annotate Image Online

Add professional annotations to your images online. Draw shapes, add text, arrows, and freehand drawings with customizable colors and styles.

Features of Annotate Image Online

Add text annotations with customizable fonts
Draw shapes: rectangles, circles, arrows, lines
Freehand drawing tool for custom annotations
Customizable colors and line styles
Select and delete individual annotations
Export annotated images in high quality
No server upload - completely private
Mobile-responsive design

Technical Specifications

Supported Image Formats

JPEG/JPG - Most common web image format with lossy compression
PNG - Lossless compression with transparency support
GIF - Animated images and simple graphics with transparency
WebP - Modern format with superior compression and quality
BMP - Uncompressed bitmap format for high-quality images
TIFF - Professional photography and print industry standard

Browser Compatibility

Works in all modern browsers including Chrome, Firefox, Safari, Edge, and mobile browsers

Processing Method

Client-side JavaScript using HTML5 Canvas API for drawing and image manipulation

Privacy & Security

No server upload, no data collection, no cookies, complete local processing

Use Cases and Applications

1Documentation: Add arrows and text to screenshots for tutorials
2Design Feedback: Mark up designs with annotations and comments
3Educational Content: Create annotated diagrams and illustrations
4Technical Documentation: Add labels and measurements to technical drawings
5Social Media: Create engaging annotated images for posts
6Presentations: Add highlights and notes to presentation images
7Quality Assurance: Mark defects and issues on product images
8Collaboration: Share annotated images with team members

Examples

ScenarioInput FileDimensionsDescription
Screenshot Tutorialapp-screenshot.pngannotated-tutorial.pngAdd arrows and text to guide users through app features
Design Feedbackwebsite-mockup.jpgfeedback-annotated.jpgMark up design with circles and text for client feedback
Educational Diagramanatomy-diagram.pnglabeled-anatomy.pngAdd labels and arrows to educational diagrams
Technical Drawingblueprint.jpgannotated-blueprint.jpgAdd measurements and notes to technical drawings
Social Media Postproduct-photo.jpghighlighted-product.jpgHighlight product features with arrows and text

Benefits of using our Annotate Image Online

Professional Annotations

Add text, shapes, and drawings to images

Multiple Tools

Choose from text, shapes, arrows, lines, and freehand drawing

Customizable Styles

Adjust colors, line width, font size, and fill opacity

Easy Editing

Select and delete individual annotations

High Quality Export

Download annotated images in original quality

Privacy First

All processing happens in your browser - no uploads to servers

Free Forever

No registration, subscriptions, or hidden costs

Cross-platform

Works on desktop, tablet, and mobile devices

Frequently Asked Questions

What annotation tools are available?
The tool includes text, rectangle, circle, arrow, line, and freehand drawing tools. Each tool can be customized with different colors, line widths, and styles.
Can I edit annotations after adding them?
Yes, you can click on any annotation to select it and then delete it. The tool also provides a 'Clear All' option to remove all annotations at once.
Are my images uploaded to your servers?
No, absolutely not. All image processing and annotation happens locally in your browser using JavaScript. Your images never leave your device.
What image formats can I annotate?
You can annotate any image format that your browser supports, including JPEG, PNG, GIF, WebP, BMP, and TIFF files.
Can I change the font and size of text annotations?
Yes, you can customize the font family, font size, and color of text annotations using the Text Settings panel.
How do I download the annotated image?
Click the 'Download Annotated Image' button in the Text Settings panel. The image will be saved with all annotations included.