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Social Media Image Size Checker — Verify Dimensions for Every Platform

Upload any image and instantly see how it fits every major social media platform. Check dimensions, aspect ratios, and get optimization recommendations — all in your browser.

All processing happens in your browser. Images never leave your device.

Drag & drop an image here, or click to upload

Supports JPG, PNG, WebP, GIF, AVIF

How It Works

1

Upload Your Image

Drag & drop or click to select any image from your device. Supports all common formats.

2

Instant Analysis

See your image dimensions, file size, format, and aspect ratio analyzed instantly.

3

Platform Results

Get a clear compatibility report for every major social platform with resize recommendations.

Why Use Our Image Size Checker?

100% Private

All analysis happens in your browser. Your images never leave your device — zero data uploaded to any server.

Instant Results

No waiting for server processing. Get dimension checks, aspect ratio analysis, and platform compatibility in milliseconds.

All Platforms Covered

Check compatibility for Instagram, Facebook, X/Twitter, LinkedIn, YouTube, Pinterest, and TikTok — all at once.

Why Getting Social Media Image Sizes Right Matters

Every social media platform has specific image size requirements. When you upload an image that doesn't match these requirements, the platform automatically crops, stretches, or compresses it — often cutting off important parts of your visual content. This can ruin your carefully designed graphics, hide your call-to-action text, or make your brand look unprofessional.

Getting image sizes right is particularly important for:

  • Brand consistency: Your profile pictures, cover photos, and posts should look sharp and complete across all platforms.
  • Engagement: Posts with properly sized images get up to 2.3x more engagement than those with incorrectly sized images.
  • Ad performance: Social media ads with the correct image dimensions achieve better click-through rates and lower costs per click.

Complete Social Media Image Size Guide (2025)

Instagram Image Sizes

Instagram Square Post: 1080 x 1080 px — The classic Instagram format. Use for product photos, quotes, and team photos.

Instagram Portrait Post: 1080 x 1350 px — Takes up more screen space in the feed, leading to higher engagement. Best for product showcases and informational graphics.

Instagram Story / Reel: 1080 x 1920 px (9:16 aspect ratio) — Full-screen vertical format. Keep text and key elements within the center 80% to avoid UI overlap.

Instagram Profile Picture: 320 x 320 px — Displayed as a circle. Keep your logo or face centered.

Facebook Image Sizes

Facebook Post: 1200 x 630 px — The standard link preview and shared image size. Keep text to a minimum for ad eligibility.

Facebook Cover Photo: 820 x 312 px — Displays differently on mobile (640 x 360 px). Keep important content centered.

Facebook Story: 1080 x 1920 px — Same as Instagram Stories. Avoid placing text in the top and bottom 15%.

X (Twitter) Image Sizes

X Post Image: 1600 x 900 px (16:9) — Appears in-stream. Images larger than 5 MB won't upload. Use JPG or PNG for best quality.

X Header: 1500 x 500 px — Your profile banner. Dimensions may be cropped on mobile, so center your content.

LinkedIn, YouTube, Pinterest, and TikTok

LinkedIn Post: 1200 x 627 px — Professional content performs best with clean, high-contrast images.

YouTube Thumbnail: 1280 x 720 px — Thumbnails are the single biggest factor in YouTube click-through rate. Use bold text and vibrant colors.

Pinterest Pin: 1000 x 1500 px (2:3 ratio) — Vertical pins get 60% more engagement than horizontal ones.

TikTok Video Cover: 1080 x 1920 px — The cover image shown in your profile grid. Choose an engaging frame.

Image Optimization Tips

  • Start with the largest size: Design at the largest platform requirement, then crop for smaller sizes.
  • Use the safe zone: Keep critical content within the center 80% of your image to prevent cropping.
  • Optimize file size: Compress images below 500 KB for fast loading. Use WebP format when supported.
  • Test before publishing: Use this tool to verify dimensions before uploading to any platform.
  • Create platform-specific versions: Don't force one image to work everywhere. Adapt your content for each platform's dimensions.

Frequently Asked Questions

What social media platforms does this tool check?
It checks 7 platforms: Instagram, Facebook, X/Twitter, LinkedIn, YouTube, Pinterest, and TikTok. Each platform includes multiple format checks such as Post, Story, Profile, Cover, Thumbnail, and more.
What do the green, yellow, and red icons mean?
Green means a perfect match, yellow means close but may be slightly cropped, and red means significant resizing is needed. The scoring is based on how closely your image dimensions and aspect ratio match each platform's requirements.
Does this tool resize my images?
No, it only analyzes dimensions and tells you how well your image fits each platform. To resize, you can use a dedicated image editor or our image compressor tool.
What is an aspect ratio and why does it matter?
An aspect ratio is the width-to-height proportion of an image, such as 1:1 for square or 16:9 for widescreen. Social platforms crop images that don't match their expected aspect ratio, which can cut off important content.
What is the ideal Instagram post size?
1080x1080 pixels for square, 1080x1350 for portrait, or 1080x566 for landscape posts. Instagram Stories and Reels should be 1080x1920 pixels.
What size should a YouTube thumbnail be?
1280x720 pixels in 16:9 aspect ratio, with a minimum width of 640 pixels. The file should be under 2MB. Use a 16:9 aspect ratio for best results.
Does this tool upload my images to a server?
No, all processing happens entirely in your browser using JavaScript. Your images never leave your device, making this the most privacy-friendly option available.
What image formats are supported?
JPG, PNG, WebP, GIF, AVIF, BMP, SVG, and TIFF are all supported. The tool reads the dimensions and file metadata directly in your browser.

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Last updated: 2025-03-17 · Built & maintained by the Aibrify team — trusted by 10,000+ marketers

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