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    Michelle, 1Rebel UK

    "Really recommend Clean Digital, they've been a fantastic agency to work with and we've always been really impressed with the team and the results they produce."

    TikTok Auction In-Feed Video specs

    Vertical creative is preferred for in-feed inventory.

    Platform
    TikTok
    Media type
    video
    Campaign type
    Auction
    Placement
    In-Feed
    Build a cross-platform creative brief

    Technical requirements

    Confirm these limits before final export. Where a field is not specified, check the linked platform source before trafficking the asset.

    Specification set 1

    Dimensions
    1080 × 1920 px
    Minimum dimensions
    540 × 960 px
    Aspect ratio
    9:16 (recommended)
    File types
    MP4, MOV, MPEG, 3GP, AVI
    Maximum file size
    500 MB
    Duration
    Up to 600 seconds

    Vertical preferred for best in-feed rendering.

    Creative QA checklist

    1. Design for 9:16 first
    2. Front-load branding within first seconds
    3. Keep captions within safe area