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Supported Media Formats

Using the right format will help deliver the best quality images and videos and ensure your content looks great.

Updated over a month ago

In order to ensure your images and videos look amazing online, we've shared how to make your content look amazing, on every platform.

X / Twitter

Images

  • Supported formats: JPG, PNG, WEBP

  • File size:

    • Up to 5 MB for free users

    • Up to 20 MB for paid users, with automatic resizing

  • Recommended maximum resolution: 1600×1600

GIFs

  • Supported format: GIF

  • File size: up to 15 MB

  • Maximum resolution: 1280×1080

  • Number of frames: less than 350

  • Number of pixels (width × height × num_frames): maximum 300 million

Videos

X / Twitter Premium subscribers can upload videos up to 3 hours in length at 1080p resolution, with an 8GB file size limit. This length is only available via X and is not supported by third-party apps like Typefully.

  • Supported formats: MP4, MOV

  • File size: up to 512 MB

  • Maximum duration: 10 minutes

  • Maximum resolution: 4096×4096, will be downscaled by X to 1080p

  • Recommended resolution: 1920x1080

  • Aspect ratios: between 1:2.39 and 2.39:1 (included)

  • Maximum frame rate: 60 fps

  • Maximum bitrate: 30 Mbps

Recommendations for best results:

  • Video Codec: H264 High Profile

  • Frame Rates: 30 FPS, 60 FPS

  • Resolution: 1280x720 (landscape), 720×1280 (portrait), 720×720 (square)

  • Minimum Video Bitrate: 5,000 kbps

  • Minimum Audio Bitrate: 128 kbps

  • Audio Codec: AAC LC

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

LinkedIn

Images and GIFs

  • Supported formats: .gif, .heif, .heic, .jpeg, .png, .webp

  • File size:

    • Up to 5 MB for free users

    • Up to 20 MB for paid users, with automatic resizing

  • Maximum resolution: 36 megapixel

Videos

  • Maximum file size: 100 MB

  • Maximum resolution: 6000×6000

  • Recommended maximum resolution: 3840×2160 (4K)

Bluesky

Images and GIFs

  • File size:

    • Up to 5 MB for free users

    • Up to 20 MB for paid users, with automatic resizing

Under the hood, Bluesky has a 1 MB limit on images, so Typefully will compress the images you upload before publishing.

To avoid compression, upload images smaller than 1MB so that Bluesky won't apply further compression.

Videos

  • Maximum file size: 100 MB

  • Maximum resolution: 6000×6000

  • Recommended maximum resolution: 1920×1080

Threads

  • Supported formats: JPG, PNG, WebP, HEIC

  • File size:

    • Up to 5 MB for free users

    • Up to 20 MB for paid users, with automatic resizing

  • Maximum resolution: 6000×6000

  • Recommended maximum resolution: 1920×1080

Mastodon

Images and GIFs

  • File size:

    • Up to 5 MB for free users

    • Up to 20 MB for paid users, with automatic resizing

  • Supported formats: .jpg, .jpeg, .png, .gif, .webp, .heic, .heif, .avif

Videos

  • Supported file formats: .webm, .mp4, .m4v, .mov

  • Maximum file size limit: 40 MB

  • Maximum resolution: 2500×2500

  • Recommended maximum resolution: 1920×1080

  • Max frame rate of 60 frames per second

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