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MP4 (H.264)

Formats

The container-plus-codec combo every major ad platform accepts: MP4 is the wrapper, H.264 (AVC) is the video codec, usually paired with AAC audio. It hits the best balance of quality, small file size, and universal playback, which is why Meta, TikTok, and YouTube all recommend it for uploads.

Example

Export your Reels ad as .mp4, H.264 video, AAC audio, and it uploads cleanly to Meta, TikTok, and YouTube without re-encoding warnings.

Related terms

Bitrate File Weight (Max File Size) Reels Ad

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