Social Media Image Sizes Guide 2025: Cheat Sheet

Social Media Image Sizes Guide 2025: Every Platform Cheat Sheet

Think of the Social Media Image Sizes Guide 2025 as your pocket tape measure for every network. When 63.3% of businesses lean on images and video, the right dimensions decide whether your post pops or flops. A crisp frame grabs the scroll, while the wrong size blurs, crops, and confuses.

Wrong sizing hurts in quiet ways. Pixelation signals low effort, auto-crops slice off logos and CTAs, and off-aspect uploads shrink on mobile. That means fewer likes, weaker reach, and wasted ad spend. Across feeds, stories, headers, and thumbnails, the exact spec shapes brand trust, message clarity, and results.

This guide is a fast, up-to-date cheat sheet for social media image dimensions. You get the best sizes for Instagram, Facebook, X, LinkedIn, YouTube, TikTok, Pinterest, Threads, Snapchat, and Google My Business. And with PostNitro, you can auto-size, switch aspect ratios in one click, and build weeks of content in minutes.

Stick around and bookmark this page. By the end, you will know the optimal image size for social media across every major placement, plus safe zones and quick best practices. That way, posts look sharp on any device, your brand stays consistent, and your calendar fills faster with ready-to-publish visuals.

If resizing and reformatting eats your time, you are not alone. Teams juggle square, vertical, and horizontal files for each network, then repeat for ads. PostNitro helps by generating carousels, applying brand assets, and exporting platform-ready graphics, so creative energy goes into ideas—not into chasing pixels for your team.

“Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” — Antoine de Saint‑Exupéry

Why Social Media Image Dimensions Matter in 2025

Image size is not cosmetic; it shapes first impressions. Blurry edges, odd crops, or stretched logos make a brand look sloppy and lower trust fast. Clean, correctly sized uploads keep text readable, keep products centered, and make your page look put together in the feed, on profiles, and in search.

Platform algorithms reward posts that display well. Portrait 4:5 and vertical 9:16 formats claim more screen space on phones, which boosts dwell time and reactions. When your file matches the recommended spec, the network does not compress or auto-crop as much, so colors stay crisp and key details remain visible.

Most teams publish across multiple channels. Cross-platform consistency means using the right social media aspect ratios while keeping logos, colors, and fonts identical. Working from social media design specs reduces rework later, since updated templates and safe zones guard against layout changes. Fewer retries means faster campaigns and stronger ROI.

Clear framing adds context a caption cannot fix. If a chart axis or price tag gets clipped, the meaning is gone. Designing with safe areas keeps text and CTAs intact. Following the latest social media post sizes future-proofs campaigns, so one master file can be resized quickly when formats shift.

Top 10 Social Media Image Size Specifications for 2025

1. PostNitro – Your All-in-One Image Optimization Solution

PostNitro makes size headaches vanish. Create AI-guided carousels and auto-fit them with platform presets that keep quality high. One click switches aspect ratios for Instagram, Facebook, X, and more, while batch processing plus an AI Image Optimizer keep edges crisp across devices. Save hours and ship weeks of content fast. Move from draft to publish in minutes with confidence.

• Key helpers in PostNitro:
  • Presets for all major placements and ratios
  • Batch resizing, device previews, and export packs
  • Brand kit support (logos, colors, type)

2. Instagram Image Dimensions

Profile is 320 by 320, displayed at 110 by 110 with a circle crop. Feed uses 1080 width: square 1080 by 1080, portrait 1080 by 1350, horizontal 1080 by 566. Stories and Reels are 1080 by 1920. Grid thumbnails crop to 1:1 (square). For Stories/Reels, keep text inside a central safe area of about 1080 by 1420 to avoid UI overlays. Portrait posts fill more screen.

• Quick specs:
  • Profile: 320 × 320 (displays ~110 × 110) — circle
  • Feed: 1080 × 1080 (square), 1080 × 1350 (portrait 4:5), 1080 × 566 (landscape ~1.91:1)
  • Stories/Reels: 1080 × 1920 (9:16); keep top/bottom margins free
  • Grid: Square thumbnail crop; center key content

3. Facebook Image Size Guide

Profile is 320 by 320, showing 176 by 176 on desktop and 196 by 196 on mobile in a circle. Cover uploads at 851 by 315, displayed near 820 by 312 desktop and 640 by 360 mobile. Feed supports portrait 1080 by 1350, square 1080 by 1080, horizontal 1080 by 566. Link previews 1200 by 630. Stories 1080 by 1920.

• Quick specs:
  • Profile: 320 × 320 upload (circle; shows ~176 × 176 desktop, ~196 × 196 mobile)
  • Cover: 851 × 315 upload (shows ~820 × 312 desktop; ~640 × 360 mobile)
  • Feed: 1080 × 1350, 1080 × 1080, 1080 × 566
  • Link preview: 1200 × 630
  • Stories: 1080 × 1920

4. LinkedIn Image Specifications

Personal photo is 400 by 400 with a circle crop. Personal cover is 1584 by 396 at a wide 4 to 1 ratio, so preview on phone and desktop. Company logo is 400 by 400, minimum 268 by 268. Company cover is 1128 by 191. Posts work well at 1200 by 1200 or 1080 by 1350. Link previews use 1200 by 627.

• Quick specs:
  • Personal photo: 400 × 400 (circle)
  • Personal cover: 1584 × 396 (4:1)
  • Company logo: 400 × 400 (min 268 × 268)
  • Company cover: 1128 × 191
  • Posts: 1200 × 1200 (square) or 1080 × 1350 (4:5)
  • Link preview: 1200 × 627

5. X (Twitter) Image Sizes

Profile is 400 by 400, up to 2 MB. Header is 1500 by 500 at 3 to 1; center key info since edges can trim on some screens. In-stream images display well at 1600 by 900, 1080 by 1080, or 1080 by 1350. File sizes run to 5 MB mobile and 15 MB web. Auto-cropping is lighter now on posts.

• Quick specs:
  • Profile: 400 × 400 (≤ 2 MB)
  • Header: 1500 × 500 (3:1)
  • In-stream: 1600 × 900, 1080 × 1080, 1080 × 1350
  • File size: ≤ 5 MB mobile, ≤ 15 MB web

6. YouTube Thumbnail and Banner Dimensions

Channel icon uploads at 800 by 800 and renders near 98 by 98 in a circle. Channel art is 2560 by 1440, with a 1546 by 423 safe area for text and logos across devices. Video thumbnails should be 1280 by 720 at 16 to 9, under 2 MB. Podcast playlist art is square; use at least 1400 by 1400. Design within the safe zone so text remains readable on TVs and phones.

• Quick specs:
  • Channel icon: 800 × 800 (shows ~98 × 98 circle)
  • Channel art: 2560 × 1440; safe area 1546 × 423
  • Video thumbnails: 1280 × 720 (16:9, ≤ 2 MB)
  • Podcast playlist art: ≥ 1400 × 1400 (square)

7. TikTok Video and Profile Dimensions

Profile photo should be at least 200 by 200 with a circle crop. Videos play best at 1080 by 1920 in a 9 to 16 vertical frame. For ads, use minimums of 540 by 960 vertical, 960 by 540 horizontal, or 640 by 640 square. Pick a cover frame that reads clearly in the feed, so it draws quick taps fast.

• Quick specs:
  • Profile: ≥ 200 × 200 (circle)
  • Organic video: 1080 × 1920 (9:16)
  • Ads minimums: 540 × 960 (vertical), 960 × 540 (horizontal), 640 × 640 (square)

8. Pinterest Pin Dimensions

Profile picture is 165 by 165 with a circle crop. Profile cover should be at least 800 by 450 at 16 to 9. Standard Pins perform best at 1000 by 1500, a 2 to 3 ratio; longer formats may truncate in feeds. Board displays use 600 by 600. Use large, readable copy so vertical images win attention in busy feeds.

• Quick specs:
  • Profile: 165 × 165 (circle)
  • Profile cover: ≥ 800 × 450 (16:9)
  • Standard Pin: 1000 × 1500 (2:3)
  • Board display: 600 × 600

9. Threads Image Specifications

Set your profile at 640 by 640 with a circle crop. Post images render well at 1440 by 1920, a native 3 to 4 aspect that fills the screen nicely. Keep files under 8 MB. Because Threads is text-led, pick visuals that support the point, add context, and stay readable on small screens. Avoid busy edges and tiny type everywhere.

• Quick specs:
  • Profile: 640 × 640 (circle)
  • Posts: 1440 × 1920 (3:4)
  • File size: < 8 MB

10. Snapchat and Google My Business Dimensions

On Snapchat, set a profile at least 320 by 320. The banner uploads at 375 by 569 and crops to 375 by 278. Ads run at 1080 by 1920, with a 9 to 16 frame; avoid the top 150 pixels and bottom 330 pixels. On Google My Business, use 720 by 720 JPG or PNG. Minimum is 250 by 250.

• Quick specs:
  • Snapchat profile: ≥ 320 × 320
  • Snapchat banner: 375 × 569 upload; crops to 375 × 278
  • Snapchat ads: 1080 × 1920 (avoid top 150 px and bottom 330 px)
  • Google Business Profile (Google My Business): 720 × 720 (min 250 × 250), JPG/PNG

Best Practices for Social Media Image Optimization

Start with larger source files, then scale down to target sizes to avoid upscaling and blur. Build with platform-specific presets so exports match social media aspect ratios without guesswork. Keep a central brand kit with logos, color values, and type styles, and apply the same spacing and tone across every post and ad.

Mind safe zones on stories, reels, and banners, keeping text and CTAs away from edges. Preview on desktop and phones before publishing. Compress files for speed; aim under 100 KB for covers when possible and under a few megabytes for posts. Batch process with PostNitro to resize at scale and stay current with updates.

Name files with keywords and dates to help search and workflows. Use consistent alt text that describes the image plainly. When specs change, duplicate your master artboard, switch ratios, and re-center key elements. PostNitro previews on devices, so surprises drop and approvals move faster.

• Practical checklist:
  • Use PNG for logos/graphics with transparency; JPG for photos; WEBP where supported
  • Keep key text within the central safe area on 9:16 canvases
  • Stick to sRGB color profile for cross-platform consistency
  • Export at 72–96 PPI; focus on pixel dimensions over DPI myths
  • Maintain visual hierarchy: headline, image subject, CTA

“Good design is as little design as possible.” — Dieter Rams

Conclusion

Correct social media image dimensions are non‑negotiable for a professional presence in 2025. Sharp, properly framed visuals win more attention, keep messages clear, and strengthen brand trust across feeds, stories, banners, and thumbnails. Manually resizing for each network wastes hours and invites mistakes, especially when specs shift. A fast system beats guesswork.

PostNitro handles size, ratios, and previews with AI, so you publish faster with consistent quality. Key takeaways are simple: build for mobile, respect safe zones, and keep a single brand kit. Bookmark this cheat sheet, then try PostNitro free templates to turn ideas into ready posts in minutes.

FAQs

What Happens If I Upload the Wrong Image Size to Social Media?

Platforms auto-crop or compress, which can cut off logos or text. Images may look pixelated or stretched, hurting engagement and reach. Display issues reduce exposure.

Do I Need Different Image Sizes for Mobile vs. Desktop?

Most networks are responsive, so one upload adapts. Prioritize formats like 4:5 and 9:16. LinkedIn covers and YouTube banners differ; test on both screens.

How Can I Quickly Resize Images for Multiple Platforms?

Use PostNitro for automated resizing with templates. One click switches aspect ratios, and batch processing scales output. Quality controls keep edges crisp while you publish.

What Aspect Ratio Works Best Across All Platforms?

No single size fits all. Square 1:1 and portrait 4:5 work for feeds. For Stories and Reels, use 9:16.