Instagram Post Resizer

Resize and crop your images perfectly for Instagram. Supports all formats including feed posts, portraits, landscapes, stories, and reels with optimal quality settings.

Drop your image here

or click to browse files

JPG PNG WEBP HEIC
Maximum file size: 25MB
Related Tools:
Image Resizer Image Cropper Compress JPG PNG to JPG HEIC to JPG Watermark Maker

How to Resize Images for Instagram

  1. Upload your image using drag & drop or the file browser. We support JPG, PNG, WEBP, and HEIC formats.
  2. Select your desired Instagram format: Square, Portrait, Landscape, Story/Reel, or Profile Picture.
  3. Adjust the crop position to focus on the important parts of your image.
  4. Choose background handling: crop to fit, add white/black bars, or use blurred fill.
  5. Click "Resize & Download" to get your Instagram-ready image.

Instagram Image Size Guide

Square Post 1080 × 1080 pixels Classic feed post format. Works best for products, portraits, and centered compositions.
Portrait Post 1080 × 1350 pixels Takes more screen space in the feed. Ideal for full-body shots, tall subjects, and maximizing visibility.
Landscape Post 1080 × 566 pixels Good for panoramic shots, group photos, and wide scenery. Less common in feeds.
Story / Reel 1080 × 1920 pixels Full-screen vertical format for Stories and Reels. Maximum engagement format.

Need to convert your images first? Try our HEIC to JPG converter for iPhone photos or PNG to JPG to reduce file size.

Tips for Better Instagram Posts

Use Portrait Format

Portrait posts (4:5) take up more screen real estate in the feed, increasing visibility and engagement compared to square posts.

High Quality Images

Instagram compresses uploads. Start with high-quality images (1080px width minimum) and use 90-95% quality for best results.

Keep Text Large

If adding text overlays, ensure they're readable on mobile. Use our Watermark Maker to add text to your images.

Test on Mobile

Always preview your resized images on a phone before posting. What looks good on desktop may differ on mobile.

Frequently Asked Questions

For maximum visibility, use portrait format (1080 × 1350 pixels, 4:5 ratio). This takes up the most screen space in the Instagram feed. Square posts (1080 × 1080) are the classic format and work well for most content.

Yes, Instagram automatically compresses images to reduce server load. Upload images at exactly the recommended dimensions (1080px width) with 90-95% quality to minimize additional compression. Our tool optimizes for this automatically.

Both Instagram Stories and Reels use the same 9:16 aspect ratio (1080 × 1920 pixels). This full-screen vertical format provides the most immersive experience on mobile devices.

Yes! Our tool supports HEIC format directly. You can also use our dedicated HEIC to JPG converter if you need to convert multiple photos or want more control over the output.

When your image doesn't match the target aspect ratio, "blurred fill" adds a blurred version of your image as the background instead of solid bars. This creates a more visually appealing result while maintaining the full image without cropping.

All processing happens directly in your browser. Your images are never uploaded to our servers, ensuring complete privacy. For more image tools that respect your privacy, check out our Image Resizer and JPG Compressor.

Feedback