Annotate Image Online

Upload an image and add arrows, boxes, labels, hand-drawn notes, or highlights directly in your browser.

Image annotation workspaceZačněte nahráním obrázku
N

Upload an image, then draw annotations on the canvas.

Mark up images for sharing

M

Multiple annotation tools

Combine arrows, boxes, labels, freehand pen marks, and highlights in one image.

U

Undo and clear controls

Remove the last mark or clear all annotations before exporting.

L

Local image editing

Canvas annotation happens locally in your browser.

Jak to funguje

  1. 1

    Nahrajte obrázek

    Start with a screenshot, diagram, report image, or photo.

  2. 2

    Annotate details

    Pick a tool, color, and size, then draw on the canvas.

  3. 3

    Export image

    Download a clean PNG or JPG with the marks applied.

When to annotate images

Annotations are useful for support tickets, bug reports, tutorials, design feedback, product notes, and classroom materials. Keep marks readable and avoid covering the key detail you want someone to see.

Často kladené otázky

Can I add text to the image?

Yes. Choose Text mode, type your label, and click the image where the label should appear.

Can I draw freehand?

Yes. Choose Freehand pen or Highlighter and drag on the image.

Je můj obrázek nahrán?

No. Your image stays in your browser and annotation runs locally.

Annotate Image Online last reviewed: Jul 13, 2026.