Annotate Image Online

Use our free image annotation tool to draw arrows, add text, shapes, and highlights. Perfect for tutorials, feedback, and presentations.

JPG / JPEG PNG WEBP GIF BMP 1 image only
Drag & drop your image here
or click to browse from your device
5px
Select a tool and start drawing

Why Use an Online Image Annotation Tool?

Whether you are creating a step-by-step tutorial, providing visual feedback on a design, or highlighting a specific area of a screenshot, you need a reliable image annotation tool. Traditionally, this meant downloading heavy desktop software or installing a browser extension that slows down your computer. Our web-based image annotator skips all that hassle.

You can annotate images online for free with no sign up required. Simply upload your photo, annotate by drawing on the image with our precise brush and shape tools, and download the finished result. Because our tool runs entirely in your browser, your screenshots and personal photos are never uploaded to a server, ensuring complete privacy and instant processing speeds.

How to Annotate an Image Online

  1. Upload Your Image: Drag and drop your screenshot or photo into the upload zone, or click to browse from your device.
  2. Select a Drawing Tool: Choose from the brush, line, arrow, rectangle, circle, or text tools in the toolbar.
  3. Choose Color and Size: Use the color picker to select your annotation color, and adjust the slider to change the thickness of your lines or text.
  4. Draw and Markup: Click and drag on the image to draw shapes or arrows. Click the "Text" tool to type directly onto the image.
  5. Download: If you make a mistake, use the Undo button. Once you are happy with your annotations, click "Download Image" to save your file as a PNG.

Frequently Asked Questions

Yes, our image annotation tool is 100% free to use. You can annotate images online with no sign up required. There are no hidden fees, accounts, or watermarks added to your final image.
Absolutely. You can annotate by drawing directly on the image using our freehand brush, lines, arrows, and shapes. You can also add text boxes and use a highlighter tool to mark up specific areas.
No extension or software installation is required. Our image annotator runs entirely in your web browser. You can just upload your image, draw your annotations, and download the result instantly.