Complete Guide 8 min read

Image Size Guide for Every Social Media Platform in 2026

Exact pixel dimensions for Instagram, LinkedIn, YouTube, Facebook, Twitter/X, and WhatsApp. Updated for 2026.

social media image sizesinstagram image sizelinkedin image size 2026

Why Image Dimensions Matter on Social Media

Uploading images at incorrect dimensions causes platforms to crop, stretch, or compress your images in ways you cannot control. The result: cut-off faces, pixelated logos, and unprofessional-looking posts.

Getting dimensions right also affects file size and load time. Platforms compress uploads — sending a 4000×4000 image to Instagram where it displays at 1080×1080 just means the platform discards the extra data after compressing. You are wasting upload time.

Instagram Image Dimensions 2026

Post TypeDimensionsAspect RatioFile Size

|---|---|---|---|

Square feed post1080×1080px1:1Under 8MB
Portrait feed post1080×1350px4:5Under 8MB
Landscape feed post1080×566px1.91:1Under 8MB
Story / Reel1080×1920px9:16Under 100MB
Carousel post1080×1080px1:1 recommendedUnder 8MB per image
Profile photo320×320px (displays at 110px)1:1Under 10MB

Note: Instagram compresses all images on upload. For best quality, upload at exactly 1080 wide in sRGB colour space and JPEG format.

LinkedIn Image Dimensions 2026

ElementDimensionsNotes

|---|---|---|

Profile photo400×400px minimumDisplays as circle
Background/banner1584×396px4:1 ratio
Post image1200×627pxOptimal for feed
Article cover image1200×644pxUsed in article preview
Company logo300×300pxSquare, PNG recommended
Company banner1128×191pxWide, low ratio
Document postsAny, 1:1 to 1.91:1PDF carousels get high engagement

LinkedIn tips: Profile photos perform best as tight headshots with the face filling 60-70% of the frame. Business casual or formal attire. Plain or blurred background.

YouTube Image Dimensions 2026

ElementDimensionsFile Size

|---|---|---|

Channel art / banner2560×1440pxUnder 6MB
Profile photo800×800pxJPG or PNG
Video thumbnail1280×720px (16:9)Under 2MB, JPG
Community post image1080×1080pxUnder 8MB

YouTube thumbnail advice: Thumbnails are the most important visual asset on YouTube. Use bold text (minimum 60pt), high contrast, and human faces where possible. Avoid cluttered designs. Test at small sizes — thumbnails often display at 250×141px in search results.

Twitter / X Image Dimensions 2026

ElementDimensionsNotes

|---|---|---|

Single image tweet1200×675px16:9 recommended
Multi-image (2 images)1200×600px eachSide by side
Profile photo400×400pxDisplays as circle
Header banner1500×500px3:1 ratio

Facebook Image Dimensions 2026

ElementDimensionsNotes

|---|---|---|

Feed post image1200×630px1.91:1 ratio
Story1080×1920px9:16
Cover photo851×315pxDisplays differently on mobile
Profile photo360×360pxDisplays as circle
Event cover1920×1005px~2:1 ratio

WhatsApp Image Best Practices

WhatsApp does not have strict dimension requirements but automatically compresses images. To minimise quality loss:

  • Compress images before sending (quality 80-85%)
  • For documents, share as PDF rather than images
  • Avoid text-heavy images — compression makes text blurry
  • Status images: 1080×1920px (9:16 ratio)

Resizing Images with Lazyblink

lazyblink.com/tools/image/resize-image lets you enter exact pixel dimensions and download the resized image. Enter the target width, lock aspect ratio, and download — done in under 10 seconds.

Frequently asked questions

What size should Instagram photos be?

For square posts: 1080×1080px. For portrait posts: 1080×1350px (best for mobile feed). For stories and reels: 1080×1920px.

What is the ideal LinkedIn banner size?

LinkedIn profile banner (background photo) should be 1584×396 pixels at a 4:1 aspect ratio.

Should I resize images before posting on social media?

Yes. Upload at the recommended dimensions to prevent platforms from cropping or stretching your images. This also reduces upload time and data usage.

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