What is Resize for Instagram?
Resize images to exact Instagram dimensions online for free. Feed square, portrait, landscape, Story, and Reels sizes. No upload —runs entirely in your browser.
How to Use Resize for Instagram
- Upload the image you want to prepare for Instagram.
- Choose the target format such as feed, story, reel, or profile size.
- Adjust crop or padding options until the composition looks right.
- Download the resized image ready for posting.
Understand Instagram Image Sizes ▾
Common Use Cases
- Resize feed images to square or portrait Instagram formats
- Prepare story graphics at the correct aspect ratio
- Create social-ready exports from raw screenshots or photos
- Avoid last-minute cropping surprises in the Instagram app
Frequently Asked Questions
Portrait (1080×1350) takes up the most vertical space in the Instagram feed, which typically leads to better engagement and reach. If your image is already square or landscape, Feed Square (1080×1080) is fine.
Cover Crop scales the image to fill the entire target frame, cropping any overflow from the edges. The center of the image is preserved. Letterbox scales the image to fit entirely within the target frame, adding colored padding bars on the sides or top/bottom (like a movie letterbox).
Yes. Instagram re-compresses uploaded images. To minimize quality loss, upload JPEG at high quality (85—00%) and at the exact pixel dimensions. Uploading an oversized image forces Instagram to scale it down, which adds another compression step.
Yes. The Cover Crop and Letterbox fit modes work for any target dimensions. For custom sizes use the Image Resizer tool instead.