Comprehensive and up-to-date list of Optimal Image Sizes

Here’s a comprehensive and up-to-date list of optimal image sizes for major platforms you’re likely using for affiliate marketing, blogging, eCommerce, and social media syndication. These dimensions are in pixels and based on 2024–2025 standards. Assume RGB color mode, 72–150 DPI, JPEG or PNG unless otherwise specified.

Universal Notes

• Always design at 2x resolution (retina) for best sharpness on high-res devices.
• Use 1200px width minimum for most shares to ensure clean previews.
• Keep file size under 500 KB where possible for faster loading.

Blogging Platforms (WordPress, Blogger, etc.)

WordPress Featured Image

• Optimal: 1200 x 675 (16:9)
• Alternative: 1200 x 900 (4:3) for older templates
• Use WebP where supported for performance

Blog Post Body Image

• Full-width: 1200 x auto (scale height)
• Inline: 800 x 600 or 600 x 400

Blogger Post Thumbnail

• 1200 x 630 (same as Facebook share preview)

Social Media Platforms

Facebook

• Shared Image Post: 1200 x 630 (1.91:1)
• Profile Picture: 360 x 360 (min. 180×180)
• Cover Photo: 820 x 312 desktop (but upload 1640 x 624)
• Group Cover Photo: 1640 x 856
• Event Cover Photo: 1920 x 1005

Instagram

• Profile Picture: 320 x 320
• Square Post: 1080 x 1080
• Portrait Post: 1080 x 1350
• Landscape Post: 1080 x 566
• Story/Reel: 1080 x 1920
• Carousel: 1080 x 1080 (consistent aspect ratio required)

X / Twitter

• Post Image (single): 1200 x 675 (16:9)
• Multi-image grid: use 1200 x 1200 (for best cropping)
• Header Banner: 1500 x 500
• Profile Picture: 400 x 400

Pinterest

• Pin (standard): 1000 x 1500 (2:3 ratio)
• Pin (long): 1000 x 2100 or taller (infographic style)
• Profile Picture: 165 x 165
• Board Cover: 222 x 150 (displayed small, keep simple)

YouTube (if used for funneling)

• Thumbnail: 1280 x 720 (16:9, under 2MB)
• Channel Art: 2560 x 1440, safe zone 1546 x 423
• Profile Picture: 800 x 800

WooCommerce / eCommerce

Product Images

• Catalog / Shop Thumbnail: 300 x 300 to 600 x 600
• Main Product Image: 800 x 800 minimum (square)
• Zoom/High Quality: 1200 x 1200 or 2048 x 2048

Product Gallery (Secondary Images)

• Match main size for consistency, typically 800 x 800

Hero Banner (Homepage)

• Full-width: 1920 x 600 or 1920 x 800
• Mobile safe zone: 1080 x 800

Gumroad (or similar sales pages)

Product Cover Image

• 600 x 900 (standard eBook cover)
• 1280 x 720 for horizontal digital products
• Use PNG for sharp lines/text

Social Share Preview

• 1200 x 628 (Facebook OpenGraph spec)

Email Marketing (Mailchimp, ConvertKit, etc.)

Email Header

• Width: 600px (standard email width)
• Suggested: 600 x 200 or 600 x 300

Inline Image

• Max width: 600px, height flexible

Thumbnails (General Use)

• Favicon: 32 x 32, 48 x 48, 96 x 96 (ICO or PNG)
• OG Image / Twitter Card: 1200 x 630
• Affiliate Sidebar Widget / CTA Box: 300 x 250 or 728 x 90

Recommended Master Template Sizes (For Reuse)