Instagram Image Resizer
Resize photos to Instagram's exact dimensions — portrait posts, squares, Stories, Reels, and profile pictures. Free, client-side.
Drop an image here or click to browse
Supports PNG, JPG, and WebP — resized instantly, nothing is uploaded
Original
Resized
File size
How to use Instagram Image Resizer.
- 1
Drop your image into the tool or click to choose a file
- 2
Pick the size preset you need
- 3
Preview the result — the tool scales and center-crops automatically
- 4
Choose a format and click Download
Why use this tool.
No guessing at dimensions — the correct sizes are built in
No stretching or distortion — scaling and cropping are handled automatically
Photos stay on your device, safe for personal and ID images
Free, no watermark, no signup
About Instagram Image Resizer.
Instagram crops and re-compresses anything that does not match its expected sizes — the reason feed photos sometimes come out blurry or awkwardly trimmed. This tool resizes photos to Instagram's exact dimensions in your browser: 1080×1350 portrait posts (the format that takes up the most feed space), 1080×1080 squares, 1080×1920 for Stories and Reels, and 320×320 profile pictures. When your photo's ratio differs from the target, it scales to fill and center-crops so you control the final frame instead of Instagram. Free, instant, and fully private — images never leave your device.
Frequently asked questions.
What are Instagram's image sizes?
Portrait posts: 1080×1350 (4:5, the most screen space in feed). Square posts: 1080×1080. Stories and Reels: 1080×1920 (9:16). Profile pictures display small but upload at 320×320. Instagram downscales anything larger and crops anything with a different ratio.
Why do my photos look blurry on Instagram?
Usually because Instagram re-compressed an image that was the wrong size. Uploading at exactly 1080 px wide with the right ratio minimizes Instagram's re-processing, which keeps photos noticeably sharper.
Which size gets the most engagement?
Portrait 4:5 (1080×1350) occupies the most vertical feed space, which correlates with higher engagement. Square remains the safe default for grids; use 9:16 only for Stories and Reels.
Is my photo uploaded to a server?
No. Resizing happens in your browser — photos never leave your device.