What is Twitter/X's video size limit?

Twitter (X) allows video uploads up to 512MB on both web and mobile. Videos can be up to 2 minutes and 20 seconds for regular users. Twitter Blue subscribers can upload videos up to 2 hours long and 8GB in size.

What video format does Twitter/X support?

Twitter supports MP4 (H.264 video, AAC audio) and MOV formats. MP4 is strongly recommended as it's the most compatible. Maximum resolution is 1920x1200 (or 1200x1920 for vertical). Minimum resolution is 32x32.

Why won't my video upload to Twitter/X?

Common issues include: file too large (over 512MB), wrong format (use MP4), video too long (over 2:20 for free users), or resolution too high. Use this tool to compress and convert your video to the right specifications.

What is the best video resolution for Twitter/X?

Use 1280x720 (720p) or 1920x1080 (1080p) for landscape videos. For vertical content, 720x1280 or 1080x1920 works well. Twitter's player scales content to fit, so 720p often provides the best quality-to-size ratio.

Does Twitter/X compress uploaded videos?

Yes, Twitter heavily compresses all uploaded videos. To minimize quality loss, upload at the highest quality source you can (1080p, high bitrate). Pre-compressing with medium quality from our tool helps avoid excessive double compression.

Compress Video for Twitter/X

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Compress your videos for Twitter (X) posts. Twitter allows up to 512MB on web and 512MB on mobile. All processing happens in your browser — your files never leave your device.