Current sizes, ratios, durations, file limits, and text limits for Connected TV placements. Specs change several times a year; confirm against the platform's documentation before production.
| Element | Specification |
|---|---|
| Duration | 15 and 30 seconds standard; 6, 10, 20, 60 accepted on some platforms |
| File | MP4, H.264, 1920 x 1080 (mezzanine ProRes or 4K accepted by some); 16:9; 23.976 to 30 fps; stereo audio, -24 LKFS loudness |
| Bit rate | 15 to 30 Mbps recommended for mezzanine; delivery via VAST 4 with multiple renditions |
| Interactive | QR codes should occupy a safe area and hold for at least 5 seconds |
Build client-approval mockups at these dimensions with the free ad mockup generator. Terms are defined in the creative section of the glossary.
Cite this page:
Agency Echelon. "Connected TV ad specs." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/specs/connected-tv/