Which side of the match publishes a minimum
One surface publishes pixel minimums a delivered file has to clear: 540x960 vertical, 960x540 horizontal, 640x640 square. Several generators publish minimums of their own, which are the smallest thing that can be requested. The two are not the same kind of floor. As of 2026-10-25.
| Item | What is published | Detail |
|---|---|---|
| A floor a file must clear | One surface | 540x960, 960x540 or 640x640, by shape |
| A floor below which nothing is offered | Several generators | 360p at the lowest, and a one second length |
| Where the two meet | At the cheapest rung | Almost every generator floor clears every surface floor |
Inclusion rule. Minimums each page states, separated by which side of the match publishes them. Surface floors and generator floors are never compared on one axis. Order. The surface floor first, as the requirement.
1A requirement and an offer, in the same unit
A surface minimum says a file below it is refused. A generator minimum says nothing below it can be produced. Both are floors in pixels or seconds, and they constrain different ends of the same job.
These sheets keep them on separate axes for that reason. Averaging a requirement with an offer would produce a figure that describes neither, and the fit question is exactly whether one clears the other.
2Almost every generator floor clears every surface floor
The lowest named tier in this register is 360p, which sits under the published pixel minimums and is a working tier rather than a delivery one. The lowest tier on any rate card is 540p, which meets the vertical minimum exactly.
So on most rows the pixel floors stop mattering and the shape beside them does not. That is worth saying plainly, because a spec sheet lists a shape and a minimum size together as if they were equally binding.
3One row fails the surface floor outright
A 720 by 480 output misses the vertical and square minimums and falls short of the horizontal one on both axes. Its page also states that other resolutions are not supported, so there is no rung to buy up to.
It is the single place in this register where a published output size fails a published input requirement. Everywhere else the minimums are the least interesting column on the sheet, and it is worth knowing which row is the exception.
- Aspect ratios with minimum pixel dimensionsVertical 9:16 at 540x960 or more, horizontal 16:9 at 960x540 or more, square 1:1 at 640x640 or morenon-Spark ads
- Resolution parameter1080p, 720p and 480p, with 480p the default
- Quality parameter360p, 540p, 720p and 1080p
4From brief to placement
For ad work around “Who publishes a minimum”, SceneMixer's pages explain how its ad projects are produced:
The photo is cleaned into a product shot and that object appears in every shot.
SceneMixer, An AI Ad for a Physical Product — “Will the product look like my product?” (read 2026-10-13)
Typically 60–120 seconds, always 9:16 vertical, ending on a hook. SceneMixer's episode outlines are generated with that pacing, and setting a project to 9:16 makes every segment vertical (the default is 16:9).
SceneMixer, How to Make ReelShort-Style Dramas with AI — “How long is a ReelShort-style episode?” (read 2026-10-13)
5Sources
Format requirements come from Google Ads Help, read 2026-09-12, and tool limits from each vendor page listed on published limits, read 2026-09-22 and 2026-10-25. The rule against mixing the two is on method. Nearby: Ad lengths, Call to action, Product photo.