Instagram Post Resizer

Upload an image, choose an Instagram post preset, fit or fill the canvas, and download a post-ready PNG.

Instagram post preview시작하려면 이미지를 업로드하세요.

Your social image will appear here

Create Instagram post sizes

Three post presets

Square, portrait, and landscape canvas sizes are included.

Fit or fill output

Choose full-image fit or edge-to-edge crop depending on the post.

Private browser workflow

Your image stays in your browser. ImageConver does not upload it to a server.

작동 원리

  1. 1

    이미지 업로드

    Choose a photo, product shot, or design.

  2. 2

    Pick post size

    Select square, portrait, or landscape preset.

  3. 3

    PNG 다운로드

    Save an Instagram-ready post image.

Instagram post sizing tips

Square works for general posts, portrait gives more feed space, and landscape is useful for wide photos. Fit mode prevents cropping; fill mode creates cleaner edge-to-edge posts.

자주 묻는 질문

Which sizes are included?

The tool includes 1080 x 1080 square, 1080 x 1350 portrait, and 1080 x 566 landscape.

내 이미지가 업로드되나요?

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

Which format should I download?

PNG is a reliable choice for previewing and uploading the resized design.

Instagram Post Resizer last reviewed: Jun 28, 2026.