Social
Instagram Post Size
Resize images for Instagram square, portrait, and landscape posts.
Drop images here
Click to browse, drag and drop, paste from clipboard, or use camera capture on mobile.
Live preview appears here.
Before and after
Upload an image to begin.
How to use Instagram Post Size
- Upload, drag, drop, or paste an image into the large upload area.
- Adjust the visible settings and use the live preview to confirm the result.
- Download the processed image or package multiple results as a ZIP.
Tips for better results
Use Instagram Post Size before uploading assets to a CMS, ecommerce page, ad platform, or social profile.
Keep the original file until you have checked the downloaded result.
Use platform presets to avoid awkward cropping on mobile feeds.
Supported formats
JPGPNGWebPAVIF where supported
Recently used tools
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FAQ
Is Instagram Post Size private?
Yes. Files are processed locally in the browser and are not uploaded by this static site.
Can I use Instagram Post Size on mobile?
Yes. The controls are mobile-first and work with touch, drag and drop where supported, and paste workflows.
Why does format support vary?
Some formats depend on browser-native decoding or local adapters. The page shows clear errors when a format is unsupported.