FileCrisp
Image Tools6 min read

Best Aspect Ratios
for Every Platform.

Post the wrong ratio and your image gets auto-cropped in unexpected ways. Here's the exact ratio for every major use case — plus how to crop to any of them for free.

1:1 (Square)

Instagram posts, profile photos, product images

Universal — works everywhere

4:5 (Portrait)

Instagram portrait posts

Highest feed coverage on mobile

16:9 (Widescreen)

YouTube thumbnails, OG images, Twitter cards

Standard for video and links

9:16 (Vertical)

Stories, Reels, TikTok, Shorts

Full-screen mobile experience

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Key ratios to know

1:1 · 4:5 · 16:9 · 9:16 cover 95% of use cases

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Instagram minimum px width

Never post below 1080px wide

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Files uploaded to crop

Cropped entirely in your browser

Pro tip

Shoot once, crop many: Always shoot (or export) at the highest resolution and most portrait aspect ratio you need. Then crop to each required ratio from that master. Never crop down from an already-cropped version.

Crop your image to any platform ratio — free

1:1, 4:5, 16:9, 9:16, and custom. No Photoshop, no upload.

Free forever
No uploads · 100% private
Crop Image Free

FAQs

Frequently Asked Questions

Everything you need to know — answered plainly.

Crop Images Free — Any Ratio

Perfect aspect ratios for every platform. Free, private, browser-based.

No account needed
Files stay on your device
Instant results