{"name":"Poster Cat social image sizes","asOf":"2026-06-29","license":"Citation requested; source URLs remain owned by their publishers.","records":[{"slug":"youtube-thumbnail","platform":"YouTube","asset":"Custom video thumbnail","w":3840,"h":2160,"ratio":"16:9","orientation":"landscape","useCase":"Video thumbnails shown on YouTube home, search, subscriptions, and embeds.","safeZone":"Keep the main face/title centered; small-screen cards crop visually even when the file remains 16:9.","sourceLabel":"YouTube Help: Add video thumbnails","source":"https://support.google.com/youtube/answer/72431?co=GENIE.Platform%3DDesktop&hl=en","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"youtube-thumbnail","status":"current-source-verified","verified":false,"verificationNote":"Official help currently recommends 3840 x 2160, but the public page does not expose the recommendation's effective date."},{"slug":"youtube-channel-banner","platform":"YouTube","asset":"Channel banner","w":2048,"h":1152,"ratio":"16:9","orientation":"landscape","useCase":"Channel art across desktop, mobile, and TV surfaces.","safeZone":"Keep text and logos inside the central 1235 x 338 area because larger images crop differently by device.","sourceLabel":"YouTube Help: Manage channel branding","source":"https://support.google.com/youtube/answer/2657964?co=GENIE.Platform%3DDesktop&hl=en","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"youtube-thumbnail","status":"current-source-verified","verified":false,"verificationNote":"Current official upload minimum is verified; no public effective date was found for this requirement."},{"slug":"instagram-feed-square","platform":"Instagram","asset":"Feed photo square","w":1080,"h":1080,"ratio":"1:1","orientation":"square","useCase":"Square feed images and carousel slides.","safeZone":"Keep text away from the very edges; profile grids and previews can crop depending on surface.","sourceLabel":"Instagram Help: Image resolution","source":"https://help.instagram.com/1631821640426723","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"instagram-post","status":"pending-effective-date","verified":false,"verificationNote":"Instagram's help page lists the current upload handling but does not expose a dated change record."},{"slug":"instagram-feed-portrait","platform":"Instagram","asset":"Feed photo portrait","w":1080,"h":1440,"ratio":"3:4","orientation":"portrait","useCase":"Portrait feed images where Instagram preserves more vertical space.","safeZone":"Use a centered title area so profile grids and share previews can crop without losing the message.","sourceLabel":"Instagram Help: Image resolution","source":"https://help.instagram.com/1631821640426723","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"instagram-post","status":"pending-effective-date","verified":false,"verificationNote":"The current official ratio boundary is tracked, but the effective date for the portrait-grid shift is not public."},{"slug":"instagram-feed-landscape","platform":"Instagram","asset":"Feed photo landscape","w":1080,"h":566,"ratio":"1.91:1","orientation":"landscape","useCase":"Landscape feed photos kept within Instagram's supported aspect-ratio range.","safeZone":"Avoid tiny text; landscape posts lose vertical real estate in the feed.","sourceLabel":"Instagram Help: Image resolution","source":"https://help.instagram.com/1631821640426723","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"instagram-post","status":"pending-effective-date","verified":false,"verificationNote":"Current ratio is source-checked, but Instagram does not provide a dated change entry on the public help page."},{"slug":"pinterest-standard-pin","platform":"Pinterest","asset":"Standard Pin","w":1000,"h":1500,"ratio":"2:3","orientation":"portrait","useCase":"Standard organic or promoted Pin creative.","safeZone":"Do not make the Pin much taller than 2:3; overly tall images can be truncated in feeds.","sourceLabel":"Pinterest Business Help: Product specs","source":"https://help.pinterest.com/en/business/article/pinterest-product-specs","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"pinterest-pin","status":"current-source-verified","verified":false,"verificationNote":"Current official size is verified; Pinterest does not expose the public effective date for this spec."},{"slug":"pinterest-square-pin","platform":"Pinterest","asset":"Square Pin","w":1000,"h":1000,"ratio":"1:1","orientation":"square","useCase":"Square creative for Pin placements that need equal sides.","safeZone":"Center the headline and product so it survives board and feed previews.","sourceLabel":"Pinterest Business Help: Product specs","source":"https://help.pinterest.com/en/business/article/pinterest-product-specs","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"pinterest-pin","status":"current-source-verified","verified":false,"verificationNote":"Current official size is verified; no public effective date was found."},{"slug":"linkedin-profile-background","platform":"LinkedIn","asset":"Profile background image","w":1584,"h":396,"ratio":"4:1","orientation":"landscape","useCase":"Personal profile background/banner image.","safeZone":"Keep important text away from the lower-left profile-photo overlap.","sourceLabel":"LinkedIn Help: Profile photo/background specs","source":"https://www.linkedin.com/help/linkedin/answer/a522735","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"youtube-thumbnail","status":"current-source-verified","verified":false,"verificationNote":"Current LinkedIn help dimensions are tracked; the public help center does not provide an effective date."},{"slug":"linkedin-single-image-ad","platform":"LinkedIn","asset":"Single image ad","w":1200,"h":627,"ratio":"1.91:1","orientation":"landscape","useCase":"Sponsored single-image creative and link-style campaign cards.","safeZone":"Keep logos and CTA copy centered because feed placements can resize the preview.","sourceLabel":"LinkedIn Marketing Solutions: Single image ads","source":"https://business.linkedin.com/marketing-solutions/success/ads-guide/single-image-ads","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"youtube-thumbnail","status":"current-source-verified","verified":false,"verificationNote":"Current official ad creative size is tracked; no public effective date was found."},{"slug":"x-profile-header","platform":"X","asset":"Profile header photo","w":1500,"h":500,"ratio":"3:1","orientation":"landscape","useCase":"X profile header/banner image.","safeZone":"Keep the main subject centered; profile photo and responsive cropping can hide lower-left content.","sourceLabel":"X Help: Customize your profile","source":"https://help.x.com/en/managing-your-account/how-to-customize-your-profile","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"youtube-thumbnail","status":"current-source-verified","verified":false,"verificationNote":"Current official header size is tracked; the public help page does not include an effective date."},{"slug":"x-summary-large-image","platform":"X","asset":"Summary card with large image minimum","w":300,"h":157,"ratio":"1.91:1","orientation":"landscape","useCase":"Minimum large-image card preview for shared URLs.","safeZone":"Use a much larger export at the same ratio for quality; the official figure here is the minimum.","sourceLabel":"X Developer Platform: Summary card with large image","source":"https://developer.x.com/en/docs/x-for-websites/cards/overview/summary-card-with-large-image","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"youtube-thumbnail","status":"current-source-verified","verified":false,"verificationNote":"The official minimum is tracked; production previews should be exported larger at the same ratio."},{"slug":"tiktok-vertical-video","platform":"TikTok","asset":"Vertical video creative","w":1080,"h":1920,"ratio":"9:16","orientation":"portrait","useCase":"Full-screen vertical video or cover-style creative.","safeZone":"Keep text away from the right rail and bottom caption/action areas.","sourceLabel":"TikTok Business Help: Video ad specifications","source":"https://ads.tiktok.com/help/article/video-ads-specifications","effective":"unknown","lastChecked":"2026-06-29","makerSlug":"instagram-story","status":"current-source-verified","verified":false,"verificationNote":"Current official creative dimensions are tracked; no public effective date was found."}]}