--- title: "The Ultimate Social Media Image Size Guide: Updated for 2026" description: A complete guide to social media image sizes for 2026, including posts, ads, stories, and video formats, optimized for performance and employee advocacy. --- [B2B Social Media Marketing Tips](https://blog.ambassify.com/blog) # [The Ultimate Social Media Image Size Guide: Updated for 2026](https://blog.ambassify.com/blog/social-media-image-size-guide) Written by [Marta Grabowska](https://blog.ambassify.com/blog/author/marta-grabowska) | March 03, 2026 Whether you’re a marketer focused on reach, a content creator driving engagement, or a brand scaling **[employee advocacy](https://get.ambassify.com/employee-advocacy) on social media**, using the right image sizes is essential. Optimized visuals take up more screen space, feel more native in the feed, and are more likely to stop the scroll — especially on mobile-first platforms. > 52% of respondents say that social media has become more important for their organization due to economic uncertainties (Source: Meltwater). This guide brings all the **recommended and supported social media image sizes for 2026** into one clear, easy-to-use resource, so you can publish confidently and maximize performance across every channel. Without further ado, let’s dive into it! ## Instagram  - **Profile photo** - 320 × 320 pixels - *(Displayed as a circle)* - **Regular image post:**  - Recommended: 4:5 ratio (1080 × 1350 pixels) -  Supported: 1:1 (1080 × 1080), landscape formats - *While Instagram still supports square (1:1) and landscape formats, vertical 4:5 posts take up more screen space and typically perform better in-feed.* - **Reels:** - 9:16 ratio (1080 x 1920 pixels) - **Stories:** - 9:16 ratio (1080 x 1920 pixels) - **Feed Ads** - Best-performing format:4:5 ratio (1080 × 1350 pixels) - Also supported: 1:1 ratio (1080 × 1080 pixels)   - Story ads - 9:16 ratio (1080 × 1920 pixels) - * Keep important elements within safe zones* > Instagram feed ads see CTRs between 0.22% and 0.88%, whereas Stories ads experience a narrower CTR range of 0.33% to 0.54% (Source: Brafton). ## LinkedIn - **Profile photo:** -  400x400pixels - **Header:** - 1128x191 pixels - **Organic posts:**  - Image post: - Recommended: 1:1 ratio (1200 × 1200 pixels) - Supported: 1.91:1 (1200 × 627), vertical formats   - *Square images perform best on mobile-first feeds* - **Company Pages– Life tab:** - Main image: 1128 × 376 pixels - Custom modules: 502 × 282 pixels - Company photos: 900 × 600 pixels - **Ads:** - Carousel ads: 1:1 ratio( at least 1080 x 1080 pixels) - Standard image ads: Max file size: 5 MB - Ratios supported:   - 1:1 (square – desktop & mobile) - 1.91:1 (landscape – desktop & mobile) - Vertical formats (mobile only) - **Video ads:** - File: MP4 - Audio: AAC or MPEG4 - Ratios supported:  - 1:1 (square) - 4:5 (vertical) - 9:16 (portrait) - 16:9 (landscape) - **Custom thumbnails:** - Recommended: 4:5 or 1:1 - Keep key elements centred for mobile cropping > **Video is 5x more likely to spark a conversation than any other type of content shared on LinkedIn** (Source: LinkedIn Ads Blog). ## Facebook - **Profile photo:** - 176 x 176 pixels (on desktop) - 196 x 196 pixels (on smartphones) - Upload a square image for best results - **Cover photos:**  - 16:9 ratio - Minimum resolution: 400x150 pixels - Recommended: 851 × 315 pixels - Loads fastest as a JPG under 100 KB - **Organic post:** - **Image post:** - Recommended: 4:5 ratio — 1080 × 1350 pixels - Also supported: 1:1 (1080 × 1080), landscape formats - *Vertical images take up more screen space and typically perform better in-feed* - **Ads:** - Feed ads: JPG or PNG  - Best-performing formats: - 4:5 — 1080 × 1350 pixels - 1:1 — 1080 × 1080 pixels - Supported: 1.91:1 (landscape) - Minimum resolution: 1080 × 1080 pixels - **Stories ads:** - File Type: JPG or PNG  - 9:16 ratio - Resolution: 1080 x 1920 pixels  - Keep important text, logos, and CTAs within safe zones to avoid UI overlap (roughly 14% at the top and 20% at the bottom) > **Facebook photo posts have the highest engagement of all media formats at 0.12%** (Source: Social Pilot). ## X (formerly Twitter) - **Profile photo:** - Recommended: 400 x 400 pixels - File type: JPG, GIF, or PNG  - Displayed as a circle  - **Header image:** - Recommended: 1500 x 500 pixels - **Organic posts:**  - Image post: - Recomended:  1:1 ratio — 1200 × 1200 pixels - Supported: 1.91:1 (1200 × 628 pixels)   - Square images are less likely to be cropped across devices - File type: JPG, PNG, GIF. - File size: up to 5 MB  - **Ads: ** - Image ads:  - File type: PNG or JPEG   - Max file size: 5 MB   - Supported ratios: - 1:1 — 1200 × 1200 pixels - 1.91:1 — 1200 × 628 pixels - **Video ads:**  - Supported ratios: -  1:1 — 1200 × 1200 pixels - 16:9 — 1920 × 1080 pixels > **82% of B2B companies are using Twitter to share their latest content, promote offerings, and connect with their target audience** (Source: Content Marketing Institute). ## Pinterest - **Ads:** - Recomended: 2:3 ratio (1000 x 1500 pixels) - *Vertical Pins remain the best-performing format on Pinterest in 2026, as they take up more space in the feed and align with discovery-driven browsing.* - **Carousel ads: ** - File type: PNG or JPEG - Max file size: 20 MB - Creative quantity: 2 to 5 images per carousel - Supported ratios: - Recomended 2:3 ratio - 1:1 ratio (square) - **Video pins:** - Full-bleed video (recommended): - 9:16 ratio - 1080 × 1920 pixels - Other supported ratios: - 1:2, 2:3, 3:4, 4:5, or 1:1  - File type and compression should be optimized for mobile playback - Vertical video continues to perform best as Pinterest increasingly prioritizes immersive, mobile-first content. - **Image pin:** - To ensure text, logos, and key elements remain visible across devices, keep important content within the following safe areas:. - Top: 270 px - Left: 65 px - Right: 195 px - Bottom: 790 px - Avoid placing critical elements near the edges, as Pins may be cropped in different feed contexts. > **Running Pinterest Ads is More Cost-Effective Per Conversion: in fact, they are 2.3x cheaper per conversion** (Source: The Social Shepard). ## TikTok - **Profile pic:** - Recommended: 200 × 200 pixels - Upload a square image for best results (displayed as a circle in the app) - **Video (organic & ads):** - Recommended format: 9:16 ratio - Resolution: 1080 × 1920 pixels - File type: MP4 or MOV - Max file size: - Up to 72 MB (Android) - Up to 278.6 MB (iOS) - *Vertical, full-screen video remains the dominant and best-performing format on TikTok in 2026, as the platform is entirely mobile-first and designed to be immersive.* > **Consumer spending on TikTok crossed over $1 billion globally in 2023, and the average engagement rate on TikTok is 5.95%** (Sources: Social Pilot and House of Marketers). 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