AI image outpainting

Expand your photo beyond its borders with AI — choose ratio and output size

Start AI outpainting

Upload a photo, then choose target ratio and output size on the editor.

Drag & drop an image, paste with Ctrl+V, or long-press to paste on mobile

png jpg webp avif


Why use Backgroundcanvas AI outpainting

Expanded landscape result Original portrait photo

How to expand images with AI outpainting

No software install — extend photos in your browser. Pick a target ratio and output size, then let AI fill the new canvas seamlessly.

  1. 1. Upload your image

    Click "Upload image", drag a file into the area above, or paste with Ctrl + V. Supports JPG, PNG, WebP, AVIF up to 10MB.

  2. 2. Choose ratio and output size

    On the editor page, select a target aspect ratio (1:1, 16:9, 9:16, etc.) and canvas dimensions. Preview shows where AI will expand.

  3. 3. AI expands the canvas

    AI outpainting continues the scene beyond the original frame — matching lighting, perspective, and texture at the edges.

  4. 4. Compare and download

    Review before/after with the compare slider, then download the full-resolution expanded image.

Free AI outpainting

Sign in and use daily check-in credits to try canvas expansion at no upfront cost.

Ratio & size control

Pick preset aspect ratios or enter custom width × height up to 4096px.

Fast browser workflow

Upload, configure, expand, compare, download — all online with no install.

Works on all devices

Use on phone, tablet, or desktop. Same workflow everywhere.

AI outpainting

What is AI outpainting?

Outpainting expands a photo beyond its original frame. Backgroundcanvas fills the new canvas with AI so edges blend with the original scene.

Can I choose aspect ratio and output size?

Yes. Pick a target ratio and size, preview the expanded canvas, then download the HD result.

What file types are supported?

We currently support JPG and PNG. More formats will be added in the future.