{
 "site": "socialspecsheet.com",
 "license": "CC BY 4.0 — attribution to socialspecsheet.com required",
 "generated": "2026-10-16",
 "platforms": [
  {
   "slug": "instagram",
   "name": "Instagram",
   "specs": [
    {
     "id": "caption",
     "label": "Caption length",
     "value": null,
     "category": "text",
     "status": "unverified",
     "source_url": "https://help.instagram.com/236245819849257/",
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "reel-size",
     "label": "Reel dimensions",
     "value": "aspect ratio 1.91:1 to 9:16, minimum resolution 720 px",
     "category": "video",
     "status": "verified",
     "source_url": "https://help.instagram.com/1038071743007909/",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false
    },
    {
     "id": "feed-ratio",
     "label": "Feed image aspect ratios",
     "value": "1.91:1 to 3:4 (1080 px wide, 566 to 1440 px high)",
     "category": "image",
     "status": "verified",
     "source_url": "https://help.instagram.com/1631821640426723/",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "Instagram feed 1.91:1",
       "w": 1080,
       "h": 566
      },
      {
       "name": "Instagram feed 3:4",
       "w": 1080,
       "h": 1440
      }
     ]
    }
   ]
  },
  {
   "slug": "facebook",
   "name": "Facebook",
   "specs": [
    {
     "id": "post-chars",
     "label": "Post character limit",
     "value": null,
     "category": "text",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "feed-image",
     "label": "Feed image size",
     "value": null,
     "category": "image",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "video-max",
     "label": "Max video length/size",
     "value": null,
     "category": "video",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "page-cover",
     "label": "Page cover photo",
     "value": "851 x 315 px sRGB JPG under 100 KB loads fastest; minimum 400 x 150 px",
     "category": "image",
     "status": "verified",
     "source_url": "https://www.facebook.com/help/125379114252045",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "note": "Displays at 16:9 on computers and 2.4:1 on mobile; the profile picture overlaps by about 40 px on mobile.",
     "presets": [
      {
       "name": "Facebook Page cover",
       "w": 851,
       "h": 315
      }
     ]
    },
    {
     "id": "page-profile",
     "label": "Page profile picture",
     "value": "320 x 320 px for best quality (cropped to a circle)",
     "category": "image",
     "status": "verified",
     "source_url": "https://www.facebook.com/help/125379114252045",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "Facebook Page profile picture",
       "w": 320,
       "h": 320
      }
     ]
    }
   ]
  },
  {
   "slug": "x",
   "name": "X",
   "specs": [
    {
     "id": "post-chars",
     "label": "Post character limit (standard)",
     "value": 280,
     "category": "text",
     "status": "verified",
     "source_url": "https://help.x.com/en/using-x/how-to-post",
     "last_verified": "2026-10-16",
     "note": "Non-subscribers: 280. Subscribers: 4,000 characters shown.",
     "unit": "characters",
     "charcount": true
    },
    {
     "id": "image-size",
     "label": "Image file size limit",
     "value": null,
     "category": "image",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "video-length",
     "label": "Video length limit",
     "value": "140 s / 512 MB",
     "category": "video",
     "status": "verified",
     "source_url": "https://help.x.com/en/using-x/x-videos",
     "last_verified": "2026-10-16",
     "note": "Non-subscribers: 140 s and 512 MB. Subscribers: under 4 h and 16 GB.",
     "unit": null,
     "charcount": false
    }
   ]
  },
  {
   "slug": "linkedin",
   "name": "LinkedIn",
   "specs": [
    {
     "id": "post-chars",
     "label": "Post character limit",
     "value": 3000,
     "unit": "characters",
     "category": "text",
     "status": "verified",
     "source_url": "https://www.linkedin.com/help/linkedin/answer/a528176",
     "last_verified": "2026-10-16",
     "charcount": true
    },
    {
     "id": "see-more",
     "label": "\"See more\" cutoff",
     "value": null,
     "category": "text",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "video-max",
     "label": "Max video length/size",
     "value": null,
     "category": "video",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "profile-banner",
     "label": "Profile background (banner) photo",
     "value": "1584 x 396 px recommended; max file size 8 MB",
     "category": "image",
     "status": "verified",
     "source_url": "https://www.linkedin.com/help/linkedin/answer/a549049",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "LinkedIn profile banner",
       "w": 1584,
       "h": 396
      }
     ]
    },
    {
     "id": "page-cover",
     "label": "Company Page cover image",
     "value": "1512 x 256 px (minimum and recommended)",
     "category": "image",
     "status": "verified",
     "source_url": "https://www.linkedin.com/help/linkedin/answer/a563309",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "LinkedIn Page cover",
       "w": 1512,
       "h": 256
      }
     ]
    },
    {
     "id": "page-logo",
     "label": "Company Page logo",
     "value": "400 x 400 px recommended; minimum 268 x 268 px",
     "category": "image",
     "status": "verified",
     "source_url": "https://www.linkedin.com/help/linkedin/answer/a563309",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "LinkedIn Page logo",
       "w": 400,
       "h": 400
      }
     ]
    },
    {
     "id": "link-image",
     "label": "Custom image in a Page post with a URL",
     "value": "1200 x 627 px (1.91:1); more than 200 px wide",
     "category": "image",
     "status": "verified",
     "source_url": "https://www.linkedin.com/help/linkedin/answer/a563309",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "LinkedIn link image",
       "w": 1200,
       "h": 627
      }
     ]
    }
   ]
  },
  {
   "slug": "tiktok",
   "name": "TikTok",
   "specs": [
    {
     "id": "caption",
     "label": "Caption length",
     "value": null,
     "category": "text",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "video-length",
     "label": "Max video length (via TikTok's Content Posting API)",
     "value": "3 minutes for all creators (some accounts: 5 or 10 minutes)",
     "category": "video",
     "status": "verified",
     "source_url": "https://developers.tiktok.com/doc/content-posting-api-media-transfer-guide",
     "last_verified": "2026-10-16",
     "note": "Stated in TikTok's official developer Content Posting API guide.",
     "unit": null,
     "charcount": false
    },
    {
     "id": "video-dims",
     "label": "Video dimensions (via TikTok's Content Posting API)",
     "value": "360 to 4096 px for both height and width",
     "category": "video",
     "status": "verified",
     "source_url": "https://developers.tiktok.com/doc/content-posting-api-media-transfer-guide",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false
    },
    {
     "id": "video-file",
     "label": "Video file size (via TikTok's Content Posting API)",
     "value": "4 GB maximum; MP4 (recommended), WebM or MOV",
     "category": "video",
     "status": "verified",
     "source_url": "https://developers.tiktok.com/doc/content-posting-api-media-transfer-guide",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false
    },
    {
     "id": "video-fps",
     "label": "Video frame rate (via TikTok's Content Posting API)",
     "value": "23 to 60 FPS",
     "category": "video",
     "status": "verified",
     "source_url": "https://developers.tiktok.com/doc/content-posting-api-media-transfer-guide",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false
    }
   ]
  },
  {
   "slug": "youtube",
   "name": "YouTube",
   "specs": [
    {
     "id": "default-length",
     "label": "Default max video length (unverified account)",
     "value": 15,
     "unit": "minutes",
     "category": "video",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/71673?hl=en",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "max-size",
     "label": "Max upload file size",
     "value": 256,
     "unit": "GB",
     "category": "video",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/71673?hl=en",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "max-duration",
     "label": "Max upload duration",
     "value": 12,
     "unit": "hours",
     "category": "video",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/71673?hl=en",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "shorts-length",
     "label": "Max Shorts length",
     "value": 3,
     "unit": "minutes",
     "category": "video",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/12779649?hl=en",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "title-chars",
     "label": "Title character limit",
     "value": null,
     "category": "text",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "banner-size",
     "label": "Channel banner image size",
     "value": "2560 x 1440 px recommended (especially for TV); minimum 2048 x 1152 px, 16:9",
     "category": "image",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/2972003?hl=en",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "YouTube banner",
       "w": 2560,
       "h": 1440
      }
     ]
    },
    {
     "id": "banner-safe",
     "label": "Channel banner safe area for text and logos",
     "value": "1235 x 338 px (at the 2048 x 1152 px minimum)",
     "category": "image",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/2972003?hl=en",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false
    },
    {
     "id": "thumbnail-size",
     "label": "Custom video thumbnail size",
     "value": "3840 x 2160 px recommended, 16:9; minimum width 640 px",
     "category": "image",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/72431?hl=en",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "YouTube thumbnail",
       "w": 3840,
       "h": 2160
      }
     ]
    },
    {
     "id": "shorts-thumbnail",
     "label": "Custom Shorts thumbnail size",
     "value": "2160 x 3840 px recommended, 9:16; minimum height 640 px",
     "category": "image",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/72431?hl=en",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "presets": [
      {
       "name": "YouTube Shorts thumbnail",
       "w": 2160,
       "h": 3840
      }
     ]
    },
    {
     "id": "thumbnail-file",
     "label": "Thumbnail file size limit",
     "value": "2 MB on mobile; 50 MB on desktop",
     "category": "image",
     "status": "verified",
     "source_url": "https://support.google.com/youtube/answer/72431?hl=en",
     "last_verified": "2026-10-16",
     "unit": null,
     "charcount": false,
     "note": "Mobile podcast thumbnails: 10 MB."
    }
   ]
  },
  {
   "slug": "pinterest",
   "name": "Pinterest",
   "specs": [
    {
     "id": "pin-ratio",
     "label": "Recommended standard Pin aspect ratio",
     "value": "2:3 (1000 x 1500 px)",
     "unit": null,
     "category": "image",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false,
     "presets": [
      {
       "name": "Pinterest standard Pin",
       "w": 1000,
       "h": 1500
      }
     ]
    },
    {
     "id": "img-desktop",
     "label": "Max image file size (desktop)",
     "value": 20,
     "unit": "MB",
     "category": "image",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "img-app",
     "label": "Max image file size (in-app)",
     "value": 32,
     "unit": "MB",
     "category": "image",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "title-chars",
     "label": "Pin title limit",
     "value": 100,
     "unit": "characters",
     "category": "text",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": true
    },
    {
     "id": "title-feed",
     "label": "Title chars shown in feed (device-dependent)",
     "value": 40,
     "unit": "characters",
     "category": "text",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "desc-chars",
     "label": "Pin description limit",
     "value": 800,
     "unit": "characters",
     "category": "text",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": true
    },
    {
     "id": "video-size",
     "label": "Max video file size",
     "value": 2,
     "unit": "GB",
     "category": "video",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "video-min",
     "label": "Min video length",
     "value": 4,
     "unit": "seconds",
     "category": "video",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "video-max",
     "label": "Max video length",
     "value": 15,
     "unit": "minutes",
     "category": "video",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    },
    {
     "id": "carousel",
     "label": "Images per carousel",
     "value": "2–5",
     "unit": null,
     "category": "image",
     "status": "verified",
     "source_url": "https://help.pinterest.com/en/business/article/pinterest-product-specs",
     "last_verified": "2026-10-16",
     "charcount": false
    }
   ]
  },
  {
   "slug": "threads",
   "name": "Threads",
   "specs": [
    {
     "id": "post-chars",
     "label": "Post character limit",
     "value": null,
     "category": "text",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    },
    {
     "id": "video-length",
     "label": "Max video length",
     "value": null,
     "category": "video",
     "status": "unverified",
     "source_url": null,
     "last_verified": null,
     "note": "Not yet confirmed from an official source; value deliberately omitted."
    }
   ]
  }
 ],
 "changelog": [
  {
   "date": "2026-10-16",
   "platform": "YouTube, LinkedIn, Facebook, TikTok",
   "change": "Verified 15 more values (14 new entries, plus TikTok max video length now confirmed) from official help pages: YouTube banner, banner safe area and thumbnails; LinkedIn profile banner, Page cover, Page logo and link image; Facebook Page cover photo and profile picture; TikTok video length, dimensions, file size and frame rate. Facebook feed image size stays unverified."
  },
  {
   "date": "2026-10-16",
   "platform": "site",
   "change": "New: per-format pages (e.g. Instagram Reel size, YouTube banner size), image resizer, UTM builder, hashtag counter, improved character counter, About and Methodology pages. Brand mark changed to the Stacked S."
  },
  {
   "date": "2026-10-16",
   "platform": "all",
   "change": "v1 launch: initial dataset. Only values confirmed on official pages fetched today are marked verified."
  }
 ],
 "formats": [
  {
   "platform": "instagram",
   "slug": "reel-size",
   "name": "Instagram Reel size",
   "q": "What size is an Instagram Reel?",
   "specs": [
    "reel-size"
   ]
  },
  {
   "platform": "instagram",
   "slug": "feed-size",
   "name": "Instagram feed post size",
   "q": "What size is an Instagram feed post?",
   "specs": [
    "feed-ratio"
   ]
  },
  {
   "platform": "linkedin",
   "slug": "banner-size",
   "name": "LinkedIn banner size",
   "q": "What size is a LinkedIn banner?",
   "specs": [
    "profile-banner",
    "page-cover"
   ]
  },
  {
   "platform": "linkedin",
   "slug": "image-size",
   "name": "LinkedIn image sizes",
   "q": "What size should LinkedIn images be?",
   "specs": [
    "link-image",
    "page-logo",
    "page-cover"
   ]
  },
  {
   "platform": "youtube",
   "slug": "banner-size",
   "name": "YouTube banner size",
   "q": "What size is a YouTube banner?",
   "specs": [
    "banner-size",
    "banner-safe"
   ]
  },
  {
   "platform": "youtube",
   "slug": "thumbnail-size",
   "name": "YouTube thumbnail size",
   "q": "What size is a YouTube thumbnail?",
   "specs": [
    "thumbnail-size",
    "shorts-thumbnail",
    "thumbnail-file"
   ]
  },
  {
   "platform": "facebook",
   "slug": "cover-photo-size",
   "name": "Facebook cover photo size",
   "q": "What size is a Facebook Page cover photo?",
   "specs": [
    "page-cover",
    "page-profile"
   ]
  },
  {
   "platform": "tiktok",
   "slug": "video-size",
   "name": "TikTok video size",
   "q": "What size and length can a TikTok video be?",
   "specs": [
    "video-length",
    "video-dims",
    "video-file",
    "video-fps"
   ]
  },
  {
   "platform": "pinterest",
   "slug": "pin-size",
   "name": "Pinterest Pin size",
   "q": "What size is a Pinterest Pin?",
   "specs": [
    "pin-ratio",
    "img-desktop",
    "img-app"
   ]
  }
 ]
}