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Images

  • Up to 4 images can be uploaded in a single Tweet.
  • Max image size: 5 MB
  • Supported formats: JPG, PNG, GIF, Animated GIF, and WEBP.
  • Image dimensions must be >= 4x4 and <= 8192x8192 px.
  • Recommended Tweet sharing a single image: 1200 x 675 px.
  • Recommended Tweet sharing two images: 700 x 800 px each image.
  • Recommended Tweet sharing three images:
    • Left image: 700 x 800 px.
    • Right images: 1200 x 686 px.
  • Tweet sharing four images: 1200 x 600 px each image.
  • Recommended aspect ratio is 16:9.

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Video

  • Up to 4 videos can be uploaded in a single Tweet.
  • Max video size 512 MB
  • Supported formats: MP4 and MOV.
  • Maximum video resolution: 1280x1024 px.
  • Recommended Video Codec: H264 High Profile.
  • Recommended Video Resolution:
    • Landscape 1280x720 px.
    • Portrait 720x1280 px.
    • Square 720x720 px.
  • Frame rate must be 60 FPS or less.
  • Duration must be between 0.5 seconds and 140 seconds. Please see here for posting longer X videos up to 10+ minutes.
  • Aspect ratio must be between 1:3 and 3:1.
  • Must have 1:1 pixel aspect ratio.
  • Audio must be mono or stereo, not 5.1 or greater.
  • Some video software creates MP4 files that are not compatible with X/Twitter. For example, Camtasia versions older than 2019.0.9 create MP4 files that X/Twitter rejects. Please check your video software for compatibility. See here for more information.
  • X might have an issue processing video media hosted on Dropbox or signed URLs (for example an S3 signed URL). If you encounter an issue, we recommend using an alternative hosting provider or uploading directly to Ayrshare.
  • If you’re using a video creation tool and you’re having issues publishing your video, try re-encoding the video.

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Video Thumbnail

Set a custom thumbnail (cover image) for X videos. The thumbnail is displayed before the video plays.
  • Only one thumbnail image per video.
  • Supported formats: JPEG, PNG, BMP, and WebP.
  • Max image size: 5 MB
  • Recommended dimensions: Match the video resolution (e.g., 1280x720 px for landscape, 720x1280 px for portrait).
  • Recommended aspect ratio: Match the video aspect ratio (16:9 for landscape, 9:16 for portrait, 1:1 for square).
  • See Video Thumbnail for usage details.