PublishPixelTools

Social media

Instagram Image Size Checker

Check Instagram post, story and vertical creative dimensions before publishing or exporting final assets.

Free browser tool

Instagram Image Size Checker

Upload an image and choose Instagram Post or Instagram Story to review ratio, size, format and export options.

Drop your image here or choose a file

Supports JPG, PNG, WebP, static GIF and basic SVG. Recommended visual limit: up to 15 MB.

Privacy-first: your image is analyzed locally in your browser.

Scores are estimated from common platform guidelines and practical publishing heuristics.

Choose a preset, upload an image and the results will appear here with score, warnings, practical recommendations and export tools.

Post guidance

Common feed ratios include square 1:1, portrait 4:5 and landscape around 1.91:1.

Story guidance

Stories commonly use a 9:16 vertical frame such as 1080 x 1920 pixels. Keep important details away from interface areas.

Ratio reminders

A matching ratio helps reduce unexpected cropping and makes the final image feel more intentional.

FAQ

Questions about instagram image size checker

Which Instagram post sizes are checked?

The preset checks common square, portrait and landscape feed ratios such as 1080 x 1080, 1080 x 1350 and 1080 x 566.

Can I check an Instagram Story?

Yes. Choose the Instagram Story preset for the common 1080 x 1920 pixel vertical format.

Does the tool crop my image automatically?

No. It recommends resizing or cropping targets and lets you export a resized version, but creative cropping remains your choice.

Is WebP recommended for Instagram?

JPG and PNG are commonly used. WebP may be useful in some workflows, but always verify your final upload path.