Portrait (4:5) takes up the most screen real estate in the Instagram feed — use it to maximize engagement?

Portrait (4:5) takes up the most screen real estate in the Instagram feed — use it to maximize engagement.

Use Contain mode with a branded background color to avoid cropping important parts of your image?

Use Contain mode with a branded background color to avoid cropping important parts of your image.

WebP output gives the smallest file size while keeping excellent quality — ideal for faster uploads.

Resize images for Instagram post (1080x1080, 1080x1350, 1080x608)

Resize any image to the perfect Instagram post dimensions, entirely in your browser. No images are sent to any server.

1Upload your image via drag and drop or the upload button (JPEG, PNG, WebP supported).
2Select the aspect ratio: Square (1:1) for feed posts, Portrait (4:5) for maximum visibility, or Landscape (1.91:1) for wide shots.
3Choose a fit mode: Cover crops to fill the frame, Contain fits the entire image with a background color you pick.
4Select the output format (PNG, JPEG, or WebP) and adjust quality.
5Preview the result and click Download to save your resized image.

Portrait (4:5) takes up the most screen real estate in the Instagram feed — use it to maximize engagement.
Use Contain mode with a branded background color to avoid cropping important parts of your image.
WebP output gives the smallest file size while keeping excellent quality — ideal for faster uploads.

OneKitTools TeamUpdated 2.21.4