Updated 2026All FormatsCopy Dimensions

Updated for 2026. Click any size to copy.

Profile Photo

Displays as circle. Min 110x110.

320 x 320Aspect: 1:1
Preview ratio

Square Post

Classic Instagram post format.

1080 x 1080Aspect: 1:1
Preview ratio

Portrait Post

Best engagement — takes more screen space.

1080 x 1350Aspect: 4:5
Preview ratio

Landscape Post

Less common. Good for panoramas.

1080 x 566Aspect: 1.91:1
Preview ratio

Story / Reel

Full-screen vertical. Max 60s (Story) / 90s (Reel).

1080 x 1920Aspect: 9:16
Preview ratio

Carousel

Up to 10 slides. All same aspect ratio.

1080 x 1080Aspect: 1:1
Preview ratio

IGTV Cover

Thumbnail for IGTV video.

420 x 654Aspect: 1:1.55
Preview ratio
Tip: Always upload the highest resolution possible. Instagram compresses images — starting with larger files preserves quality.

FAQ

What is the best Instagram post size?
The best size for Instagram feed posts is 1080x1350 pixels (4:5 portrait ratio). This takes up more screen space than square posts and typically gets better engagement.
What size are Instagram Stories?
Instagram Stories should be 1080x1920 pixels with a 9:16 aspect ratio. This fills the entire phone screen in vertical orientation.
Does Instagram compress images?
Yes, Instagram compresses all uploaded images. To minimize quality loss, upload images at the exact recommended dimensions and use high-quality JPG or PNG files.
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About Instagram Sizes

Instagram Sizes is a free, browser-based utility designed to make image editing as quick and frictionless as possible. Everything happens client-side, which means your files and data never leave your machine. The interface is intentionally minimal so you can focus on the task instead of learning the tool. If you find yourself doing this regularly, the rest of the image suite covers most adjacent tasks with the same approach.

When you'd reach for Instagram Sizes

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

Frequently asked about Instagram Sizes

Does Instagram Sizes work on mobile?
Yes, Instagram Sizes is fully responsive and tested on iOS Safari and Android Chrome.
Are my files uploaded to a server when I use Instagram Sizes?
Instagram Sizes processes everything in your browser using local APIs. Your files never leave your device.
Will Instagram Sizes change my original file?
Never. Instagram Sizes only reads your input file and produces a new output file.
Is Instagram Sizes really free?
Yes — Instagram Sizes is free for unlimited personal use, with no account required and no watermark on the output.
What browsers does Instagram Sizes support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.

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