X (Twitter) image and video size recommendations for 2026.

X (Twitter) Image Size Guide: Best Image & Video Sizes [2026]

December 15, 2025
By
David Olsen

Key Takeaways

  • Profile Picture: 400 x 400 px (1:1 aspect ratio), <2MB file size
  • Header Image: 1500 x 500 px (3:1 aspect ratio), <5MB file size
  • In-Feed Images: 1200 x 675 px (16:9), Square: 1080 x 1080 px (1:1), Vertical: 1080 x 1350 px (4:5)
  • Video: 1280 x 720 px (16:9), Portrait: 1080 x 1920 px (9:16)
  • Ad Images: 800 x 418 px (1.91:1), 800 x 800 px (1:1), <3MB (single), <20MB (multi-image)
  • Best Practices: Use high-res files, center content, test before posting, optimize for mobile, keep text minimal
  • Sked Social Features: Visual content planner, auto-publishing, media library, and advanced analytics help you nail every post

Why X (Twitter) Image & Video Sizes Matter in 2026

If you want your brand to stand out on X (formerly Twitter) in 2026, nailing your image and video sizes is non-negotiable. The right dimensions mean your visuals look sharp, professional, and engaging—no awkward crops, no blurry logos, no missed opportunities. With X’s fast-moving feed and ever-evolving design, staying current with the latest specs is a must for social media managers, agencies, and brands of all sizes.

But it’s not just about looking good. Optimized images and videos drive higher engagement, better ad performance, and a more cohesive brand presence. And with Sked Social’s all-in-one platform, you can plan, preview, and publish perfectly sized content across every channel—without the guesswork.

2026 X (Twitter) Profile Picture Size: The Complete Guide

Your profile picture is your brand’s first impression. In 2026, X (Twitter) recommends a 400 x 400 px image with a 1:1 aspect ratio. Keep the file size under 2MB and use a high-resolution PNG or JPEG for best results.

Pro Tips:

  • Center your logo or face—X displays profile images in a circle, so avoid placing key details near the edges.
  • Test your profile image on both desktop and mobile to ensure clarity and visibility.
  • Update your profile picture regularly to reflect campaigns or seasonal branding.

Sked Social Solution: Use the Media Library & Editor to store, crop, and preview your profile images before publishing.

X (Twitter) Header Image Size for 2026: Stand Out at the Top

The header (banner) image is prime real estate for brand storytelling. The ideal size for 2026 is 1500 x 500 px (3:1 aspect ratio), with a file size under 5MB.

Best Practices:

  • Place key visuals and text in the center—side areas may be cropped on different devices.
  • Use high-contrast images for maximum impact.
  • Avoid clutter; keep your design clean and on-brand.

Example: A SaaS brand might use the header to showcase a new feature launch or highlight a customer testimonial.

Sked Social Solution: Plan and preview your header updates with the Visual Content Planner.

In-Feed, Square, and Vertical Image Sizes: 2026 Recommendations

Feed images are where engagement happens. Here’s what you need for 2026:

  • Standard In-Feed: 1200 x 675 px (16:9)
  • Square: 1080 x 1080 px (1:1)
  • Vertical/Portrait: 1080 x 1350 px (4:5)
  • Shared Image: 1600 x 900 px (16:9)
  • Link Image: 1200 x 628 px (1.91:1)

Tips:

  • Use the largest recommended size for crisp visuals.
  • For multi-image posts, keep all images the same aspect ratio for a seamless look.
  • Minimal text = more impact. Let your visuals do the talking.

Sked Social Solution: Auto-crop and preview every post for X, Instagram, and more with Sked’s Scheduling tools.

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X (Twitter) Video Size & Format: 2026 Best Practices

Video is king in 2026. For X (Twitter), use:

  • Standard Video: 1280 x 720 px (16:9)
  • Portrait Video: 1080 x 1920 px (9:16)
  • File Size: Keep under 512MB for standard uploads; ad videos may allow more, but check X’s latest specs.

Best Practices:

  • Use MP4 or MOV formats for compatibility.
  • Keep videos under 2 minutes 20 seconds for organic posts; ads may allow longer.
  • Add captions for accessibility and engagement.

Sked Social Solution: Schedule and auto-publish videos across all platforms, including TikTok Video Scheduling and YouTube Video Scheduling.

X (Twitter) Ad Image & Carousel Size Requirements for 2026

Ads demand precision. For 2026, use:

  • Single/Multi-Image Tweets: 600 x 335 px minimum, 800 x 418 px (1.91:1) or 800 x 800 px (1:1) recommended
  • Carousels: 800 x 800 px (1:1) or 800 x 418 px (1.91:1)
  • File Size: <3MB for most ad images, <20MB for multi-image cards

Tips:

  • Keep text minimal—X recommends less than 20% text for best results.
  • Test your ad images in Sked’s preview to avoid cropping surprises.
  • Use high-contrast visuals to stand out in the feed.

Sked Social Solution: Build, preview, and schedule ad creatives with Sked’s AI Tools and Analytics for performance tracking.

File Size Limits, Aspect Ratios, and Mobile Optimization

File Size Limits:

  • Profile: <2MB
  • Header: <5MB
  • Ad Images: <3MB (single), <20MB (multi-image)
  • Video: <512MB (standard)

Aspect Ratios:

  • Profile: 1:1
  • Header: 3:1
  • In-Feed: 16:9, 1:1, 4:5
  • Link: 1.91:1
  • Video: 16:9, 9:16

Mobile Optimization:

  • Always preview images on mobile before posting.
  • Center key content to avoid cropping on smaller screens.
  • Use Sked’s post preview tools to see exactly how your content will appear on every device.

Expert Tips & Industry Best Practices for 2026

  • Use high-resolution images and videos for a professional look.
  • Center important elements—X crops aggressively on mobile.
  • Test every visual in a scheduling tool before publishing.
  • Keep text overlays minimal for better engagement and accessibility.
  • Stay updated—X’s specs can change, so review guidelines quarterly.
  • For cross-platform consistency, use Instagram’s 1080 x 1350 px (4:5) for vertical images.

Sked Social Pro-Tip: Use Content Labels to track which image formats drive the most engagement on X and other platforms

X (Twitter) Image Size FAQ for 2026

Wondering about the best Twitter profile picture size? For 2026, the ideal dimensions are 400 x 400 pixels, with a 1:1 aspect ratio and a file size under 2MB.

If you’re updating your header image, aim for 1500 x 500 pixels, a 3:1 aspect ratio, and keep the file size under 5MB for optimal display.

When it comes to video, the best dimensions are 1280 x 720 pixels (16:9) for landscape orientation and 1080 x 1920 pixels (9:16) for portrait videos.

To optimize images for mobile on X, always use the largest recommended size, keep key content centered, and preview your posts on mobile devices before publishing to ensure everything looks just right.

And if you’re concerned about image quality, X does support high-resolution images. Just remember to check file size limits and test your uploads for clarity to guarantee your visuals look crisp and professional.

Transform Your Social Media Management with Sked Social

Keeping up with X (Twitter) image and video size changes in 2026 can be a headache—but it doesn’t have to be. Sked Social’s all-in-one platform empowers you to:

  • Plan, preview, and auto-publish perfectly sized content for every platform
  • Store and manage all your creative assets in a secure, searchable media library
  • Track performance with advanced analytics and content labels
  • Collaborate seamlessly with unlimited users and custom approval workflows

Ready to transform your social media workflow? Start your free trial today—no credit card required.

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