Social Platform Requirements

Twitter

General Guidelines

• Max Character Length: For regular accounts the character limit is 280 characters. For Premium accounts the character limit is 25,000 characters.

• Media Attachments per Tweet: You can attach up to 4 photos, 1 animated GIF, or 1 video in a single Tweet.

Image Specifications

• Supported Formats: JPG, PNG, GIF, WEBP

• File Size Limit: Images must be ≤ 5 MB; animated GIFs must be ≤ 15 MB.

• Animated GIF Recommendations:

  • Resolution: ≤ 1280x1080 pixels

  • Frame Count: ≤ 350 frames

  • Total Pixels: Width × Height × Number of Frames ≤ 300 million pixels

  • File Size: ≤ 15 MB

  For larger GIFs, use the chunked upload endpoint with media_category=tweet_gif to enable asynchronous processing.

Video Specifications

Recommended Settings:

• Codec: H.264 High Profile

• Frame Rates: 30 FPS or 60 FPS

• Resolutions:

  • 1280x720 (landscape)

  • 720x1280 (portrait)

  • 720x720 (square)

  Subscribed users can upload 1080p videos and receive 1080p playback; unsubscribed users are limited to 720p.

• Bitrates:

  • Video: Minimum 5,000 kbps

  • Audio: Minimum 128 kbps

• Audio Codec: AAC Low Complexity (LC)

• Aspect Ratios: 16:9 (landscape or portrait), 1:1 (square)

Advanced Constraints:

• Frame Rate: ≤ 60 FPS

• Dimensions: Between 32x32 and 1280x1024 pixels

• File Size: ≤ 512 MB

• Duration: Between 0.5 seconds and 140 seconds

• Aspect Ratio Range: Between 1:3 and 3:1

• Pixel Aspect Ratio: 1:1

• Pixel Format: YUV 4:2:0

• Audio Channels: Mono or Stereo; 5.1 or greater is not supported

• GOP Structure: Closed GOP required; open GOP is not supported

• Scan Type: Progressive scan only; interlaced video is not supported

Instagram

General Guidelines

• Caption Length: Instagram captions are limited to 2200 characters.

Image Specifications

• Format: JPEG

• File Size: Maximum of 8 MB

• Aspect Ratio: Must be within a 4:5 to 1.91:1 range

• Minimum Width: 320 pixels (images will be scaled up to this width if smaller)

• Maximum Width: 1440 pixels (images will be scaled down to this width if larger)

For optimal display, it's recommended to use square images with a 1:1 aspect ratio. This ensures that your content utilizes the maximum area on the platform.

Video Specifications

• Format: MP4

• File Size: Maximum of 100 MB

• Duration: Between 3 seconds and 60 seconds

• Aspect Ratio: Must be within a 4:5 to 1.91:1 range

• Minimum Width: 320 pixels

• Maximum Width: 1440 pixels

Similar to images, using a 1:1 aspect ratio for videos is recommended to maximize on-screen display area.

Carousel Specifications

• Composition: A mix of images and videos

• Number of Items: 2 to 10

Each item within the carousel must adhere to the respective image and video specifications outlined above.

LinkedIn

General Guidelines

• Character Limit per Post: LinkedIn allows up to 3000 characters per post.

Image Specifications

• Supported Formats: JPG, GIF, and PNG.

• File Size Limit: Images must be ≤ 5 MB.

• Pixel Count: Images should have less than 36,152,320 pixels.

• Animated GIF Constraints:

  • Frame Limit: GIFs support up to 250 frames.

For optimal display, it's recommended to use images with a 1.91:1 aspect ratio, such as 1200 x 627 pixels. This ensures that your content utilizes the maximum area on the platform.

Video Specifications

• Supported Format: MP4.

• File Size: Between 75 KB and 500 MB.

• Duration: Between 3 seconds and 30 minutes.

• Resolution: Minimum of 256 x 144 pixels; maximum of 4096 x 2304 pixels.

• Aspect Ratios:

  • Landscape: 16:9

  • Portrait: 9:16

  • Square: 1:1

• Frame Rate: Up to 60 frames per second (fps).

• Bitrate: Up to 30 Mbps.

For optimal display across devices, consider using a square (1:1) aspect ratio with a resolution of 1080 x 1080 pixels. This format adapts well to both mobile and desktop environments.

Facebook

General Guidelines

• Graph API Endpoints: Max character limit is 63,206 characters

Image Specifications

• Supported Formats: JPEG, PNG, GIF, BMP, and TIFF.

• File Size Limit: Up to 30 MB.

• Recommended Resolution: At least 1080 pixels wide.

• Aspect Ratios:

  • Square: 1:1

  • Portrait: 4:5

  • Landscape: 1.91:1

• Additional Recommendations:

  • Use images with minimal text overlay to avoid reduced delivery.

  • Ensure images are clear and not pixelated or blurry.

  • For PNG files, keep the file size below 1 MB to prevent pixelation.

Video Specifications

• Supported Formats: MP4 and MOV are recommended.

• File Size Limit: Up to 4 GB.

• Duration: Between 3 seconds and 240 minutes.

• Resolution: Minimum of 256 x 144 pixels; maximum of 4096 x 2304 pixels.

• Aspect Ratios:

  • Landscape: 16:9

  • Portrait: 9:16

  • Square: 1:1

• Frame Rate: Up to 30 frames per second.

• Bitrate: Up to 30 Mbps.

• Additional Recommendations:

  • Use high-quality audio and include captions to enhance accessibility.

  • For videos with text overlays, ensure the text is within the safe zone to prevent cropping, especially on mobile devices.

  • Shorter videos (15 seconds or less) are more likely to capture viewer attention.

TikTok

Description Specifications

• Character Limit: The character limit is 2200 characters.

Video Specifications

• Supported Formats: MP4 (recommended), WebM, MOV.

• Codecs: H.264 (recommended), H.265, VP8, VP9.

• Frame Rate: Minimum of 23 FPS; maximum of 60 FPS.

• Resolution: Minimum of 360 pixels for both height and width; maximum of 4096 pixels for both height and width.

• Duration: Up to 10 minutes.

• File Size: Maximum of 4 GB.

Image Specifications

• Supported Formats: WebP, JPEG.

• Resolution: Maximum of 1080 pixels.

• File Size: Maximum of 20 MB per image.

Threads

Image Specifications

• Supported Formats: JPEG and PNG

• File Size: Maximum of 8 MB

• Resolution:

  • Minimum Width: 320 pixels (scaled up if smaller)

  • Maximum Width: 1440 pixels (scaled down if larger)

  • Height: Varies depending on width and aspect ratio

• Aspect Ratio: Between 10:1 and 1:10

• Color Space: sRGB (Images in other color spaces will be converted to sRGB)

Video Specifications

• Supported Formats:

  • Container: MP4 (MPEG-4 Part 14) or MOV

  • Video Codec: H.264 or HEVC (progressive scan, closed GOP, 4:2:0 chroma subsampling)

  • Audio Codec: AAC, maximum 48 kHz sample rate, mono or stereo

• Resolution:

  • Maximum Width: 1920 pixels

  • Aspect Ratio: Between 0.01:1 and 10:1 (9:16 recommended to avoid cropping or blank space)

• Frame Rate: Between 23 and 60 FPS

• Bitrates:

  • Video Bitrate: Variable bitrate (VBR), up to 100 Mbps

  • Audio Bitrate: Maximum 128 kbps

• Duration: Between 1 second and 5 minutes (300 seconds)

• File Size: Maximum of 1 GB

Text and Carousel Post Limitations

• Text Posts: Limited to 500 characters per post

• Carousel Posts:

  • Minimum Items: 2 images/videos

  • Maximum Items: 20 images/videos

Bluesky

Post Character Limit: 300 characters per post

Image Guidelines:

• Up to 4 images

• Single and multiple image posts:

  • Square: 1080 x 1080 pixels

  • Landscape: 1200 x 627 pixels

  • Portrait: 627 x 1200 pixels

YouTube

Video Specifications

• Supported Formats: YouTube accepts various video formats, including MP4, MOV, AVI, WMV, FLV, 3GPP, and WebM.

  elfsight.com

• Recommended Format: MP4 with H.264 video codec and AAC-LC audio codec is recommended for optimal quality and file size.

  support.google.com

• Resolution and Aspect Ratio:

  • Standard aspect ratio: 16:9.

  • Recommended resolutions:

    • 2160p (4K): 3840x2160

    • 1440p (2K): 2560x1440

    • 1080p (Full HD): 1920x1080

    • 720p (HD): 1280x720

    • 480p (SD): 854x480

    • 360p: 640x360

    • 240p: 426x240

  • For videos intended for sale or rental, a minimum resolution of 1920x1080 is required.support.google.com

• Frame Rate: Content should be encoded and uploaded in the same frame rate it was recorded. Common frame rates include 24, 25, 30, 48, 50, and 60 frames per second.

  support.google.com

• Bitrate: Choose H.264 encoding for the best balance of quality and file size. Keep the bitrate between 8 Mbps (1080p) and 35 Mbps (4K).

  zebracat.ai

• File Size and Duration: Verified accounts can upload videos up to 256 GB or 12 hours, whichever is less.

  en.wikipedia.org

Image Specifications

• Channel Art (Banner Image):

  • Recommended dimensions: 2560x1440 pixels.

  • Safe area for text and logos: 1546x423 pixels (centered).

  • Accepted file types: JPG, GIF, BMP, or PNG.

  • Maximum file size: 6 MB.adobe.com

• Profile Picture:

  • Recommended dimensions: 800x800 pixels.

  • Aspect ratio: 1:1.

  • Accepted file types: JPG, PNG, GIF, BMP.

  • Maximum file size: 2 MB.plannthat.com

• Video Thumbnails:

  • Recommended dimensions: 1280x720 pixels.

  • Minimum width: 640 pixels.

  • Aspect ratio: 16:9.

  • Accepted file types: JPG, GIF, BMP, or PNG.

  • Maximum file size: 2 MB.shopify.com

Text Specifications

• Video Titles:

  • Maximum length: 100 characters.

  • Ensure titles are concise, descriptive, and include relevant keywords.

• Video Descriptions:

  • Maximum length: 5,000 characters.

  • Provide detailed information about the video content, including relevant links and timestamps.

• Tags:

  • Use relevant keywords to improve searchability.

  • Avoid using excessive or misleading tags.