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OneFileConverter
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Resize images for Instagram

Instagram crops or compresses images that aren't the right size. Get it right before you post.

Formats
JPG, PNG, WEBP +5
Max size
100 MB
Price
Free

Drop files here

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JPG, PNG, WEBP, AVIF, HEIC, GIF, BMP, TIFF · up to 100.0 MB per file

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How to resize images for Instagram

  1. Add your photos — up to 100 at a time.
  2. Square 1080×1080 is selected; switch the preset to portrait (1080×1350) or Story (1080×1920) if you need it.
  3. Click Resize and download, ready to post.
Which size should I use for Instagram?

1080×1080 for square posts, 1080×1350 for portrait posts (they take up more of the feed) and 1080×1920 for Stories and Reels covers.

Will my photo be cropped?

With Fill, the photo covers the whole frame and the edges that don't fit are trimmed evenly. Choose Fit to keep the whole photo and add white bars instead.

Are my images safe?

Yes. Your images are only used to create your result — they’re never shared and never used to train AI.