Free online image tool
Instagram Image Resizer
Prepare images for Instagram without guessing sizes. Use presets for square posts, vertical reels, stories, and clean social visuals.
Your images are processed in your browser and are not uploaded to our servers.
Upload an image to start.
Popular Image Tools
How to resize an image for Instagram
- Upload the image you want to use on Instagram.
- Choose 1080x1080 for a square post or 1080x1920 for Reels and Stories.
- Use crop mode for edge-to-edge designs or fit mode to keep the full image.
- Download the final image and upload it to Instagram.
Best uses for this tool
- Instagram feed posts and carousels.
- Reels covers and story backgrounds.
- Instagram ad creatives and product visuals.
Practical tips
- Square 1080x1080 works well for feed posts and product images.
- Vertical 1080x1920 works better for Reels, Stories, and full-screen content.
- Avoid placing important text too close to the edges.
Why use PixelResize?
PixelResize is built for quick image tasks that creators, marketers, bloggers, and store owners repeat every day. You can resize, crop, compress, and convert images directly in your browser without installing software or creating an account.
Related workflow
After resizing your image, you can also compress the image online or convert it to WebP for a smaller website-friendly file.
FAQ
What size should I use for Instagram posts?
A common square post size is 1080x1080 pixels. For vertical content, 1080x1920 is commonly used.
Can I resize images for Instagram Reels?
Yes. Choose the Reels / TikTok 1080x1920 preset and download a vertical image.
Does this tool add a watermark?
No. The downloaded Instagram image is clean and watermark-free.
Do I need to create an account?
No. The tool works instantly in your browser without login.