Free online image tool
Instagram Image Resizer
Resize images for Instagram post, portrait, and story dimensions.
Preview
Upload an image to start processing.
What is this tool?
Instagram Image Resizer prepares images for common Instagram publishing sizes, including square posts, portrait posts, and stories. Instagram uses different aspect ratios across feed posts, vertical content, and story layouts, so resizing without thinking about framing can crop faces, logos, product details, or text in awkward places.
This page gives you practical presets so you can focus on the image itself. Use fit mode when you want the whole image visible, cover mode when you want the canvas fully filled, and stretch mode only when distortion is acceptable. For branded graphics, leave margin around text and logos so Instagram interface elements or preview crops do not hide important content.
A reliable Instagram workflow starts with a clean source image and exports separate versions for each placement. One square file may work for a feed post, while a vertical story needs more height and a different composition. Creating each size intentionally gives your profile a more polished look.
How to use Instagram Image Resizer
Follow these steps to process your image locally in the browser and download the result.
- Step 1
Upload the image you want to prepare for Instagram.
- Step 2
Choose the Instagram Post, Portrait, or Story preset.
- Step 3
Select fit or cover mode to control whether the full image is visible or cropped.
- Step 4
Adjust format and quality if needed.
- Step 5
Preview the result on the page.
- Step 6
Download the resized Instagram image.
Key features
- Includes Instagram Post 1080x1080, Portrait 1080x1350, and Story 1080x1920 presets.
- Fit and cover modes help avoid unwanted stretching.
- Useful for creators, brands, stores, campaigns, and social media managers.
- Exports a new image file ready for Instagram upload.
- Works in the browser without requiring an account.
Supported formats
The Instagram resizer works best with JPG, PNG, and WebP files that your browser can decode. JPG is commonly used for photos, while PNG or WebP may be better for graphics depending on the final use.
Privacy note
ImageToolkit is designed to handle this task in your browser whenever the selected file type is supported. The image you choose is processed on your device for preview and export, and ImageToolkit does not require an account or intentionally upload the original image to an ImageToolkit server for these browser-first tools.
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Frequently Asked Questions
Which Instagram sizes are included?+
The page includes 1080x1080 for square posts, 1080x1350 for portrait posts, and 1080x1920 for stories.
How do I avoid stretching my Instagram image?+
Use fit or cover mode instead of stretch. Fit keeps the whole image visible, while cover fills the target size by cropping edges.
Should I use JPG or PNG for Instagram?+
JPG is usually practical for photos. PNG may be better for text-heavy graphics before platform compression.
Can I use this for Instagram Stories?+
Yes. Choose the Instagram Story preset at 1080x1920.
Is the image uploaded to ImageToolkit?+
ImageToolkit is designed to handle this task in your browser whenever the selected file type is supported. The image you choose is processed on your device for preview and export, and ImageToolkit does not require an account or intentionally upload the original image to an ImageToolkit server for these browser-first tools.