📱 Social Media Image Resizer

Instantly resize and format your images for Instagram, YouTube, Facebook, Twitter/X, LinkedIn, TikTok, and Pinterest.

Upload Image to Resize for All Social Media

Instagram, YouTube, Facebook, Twitter/X, LinkedIn, TikTok & Pinterest Presets

Smart Center Crop • Multi-Platform ZIP Bundle • 100% Client-Side

The Definitive Social Media Image Size & Dimension Cheat Sheet (2026 Edition)

Each major social media network enforces distinct aspect ratios, compression standards, and pixel dimension requirements. Uploading an improperly sized graphic leads to awkward automatic cropping, blurry pixelation, and degraded branding.

Official Platform Dimension Standards

PlatformPlacement TypeExact Pixel DimensionsAspect Ratio
InstagramFeed Post (Square)1080 × 1080 px1:1
InstagramFeed Post (Portrait)1080 × 1350 px4:5
Instagram / TikTokStories & Reels1080 × 1920 px9:16
YouTubeVideo Thumbnail1280 × 720 px16:9
YouTubeChannel Banner2560 × 1440 px16:9 (TV Safe)
FacebookShared Feed Post1200 × 630 px1.91:1
FacebookPage Cover Banner820 × 312 px2.63:1
Twitter / XHeader Banner1500 × 500 px3:1
LinkedInPersonal Profile Banner1584 × 396 px4:1
PinterestStandard Vertical Pin1000 × 1500 px2:3

Why 4:5 Portrait Posts Outperform 1:1 on Instagram

When users scroll on mobile devices, vertical screen real estate is limited. A 4:5 portrait post (1080×1350 px) occupies 37.5% more vertical space on a smartphone display compared to a traditional 1:1 square post. This keeps your content on screen longer as the user scrolls, directly increasing watch time, likes, and engagement metrics.

Smart Center Crop vs. Letterbox Padding

When converting a wide horizontal photo into a vertical story or square post, our tool gives you two professional options:

  • Smart Center Crop (Cover): Fills the canvas completely by cropping excess borders from the edges, ensuring a modern borderless look.
  • Fit with Border Padding (Contain): Shrinks the image to fit entirely within the frame and fills the remaining margins with a solid brand color of your choice (e.g. white or black).

Frequently Asked Questions

The Social Media Image Resizer is a free online tool that automatically crops, resizes, and optimizes your graphics for all major social media platforms including Instagram, YouTube, Facebook, Twitter/X, LinkedIn, TikTok, and Pinterest.

For Instagram, the recommended dimensions are: Square Post (1080×1080 px, 1:1), Portrait Post (1080×1350 px, 4:5), and Stories / Reels (1080×1920 px, 9:16).

YouTube requires thumbnails to be exactly 1280×720 pixels (16:9 widescreen aspect ratio) with a minimum width of 640 pixels.

Yes! Simply select a social network (such as Instagram or YouTube) and click 'Export All Platform Sizes (ZIP)' to download every post, banner, and story size packed into one archive.

You have complete control: choose 'Smart Center Crop' to fill the exact dimensions without borders, or 'Fit with Border Padding' to preserve 100% of your graphic with custom background padding.