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Supported Media Formats
Supported Media Formats

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

Updated this week

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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