X icon

X ads built for a fast-moving timeline

X's timeline moves faster than almost any other feed, and ad creative has to compete with real-time conversation, not just other ads. Describe the product, and generate a timeline-ready image without a design tool.

AI ad generator

Specs

X ad formats and sizes

X doesn't publish a placement library the way Meta or LinkedIn does, but these four sizes cover the ad manager's core image and video specs.

X ad placements, aspect ratios, and recommended sizes
PlacementAspect ratioRecommended sizeNotes
Timeline image (landscape)16:91200×675The most common crop; X trims aggressively so keep the subject centered.
Timeline image (square)1:11200×1200A safer bet in a mixed feed of text and image posts — less likely to get cropped unpredictably.
Video ad thumbnail16:91280×720Autoplay is muted by default, so the first frame has to carry the message alone.
Website card1.91:1800×418A small thumbnail next to the headline text — detail gets lost below this size.

Research

What X's ad transparency actually shows you

X's transparency center is narrower than most — it covers political and issue-based advertising disclosure specifically, not a general archive of commercial creative. There's no equivalent to what the ad creative glossary entry describes as a standard, searchable ad archive.

Day-to-day product ads — the kind most DTC and B2B advertisers actually run on X — simply aren't searchable through any official tool. There's nothing to look up, competitor or otherwise, so any research has to happen by scrolling the timeline itself and hoping a relevant ad shows up.

Limits

What it does not give you

Any visibility at all into everyday commercial ads on the platform. Without a research tool to lean on, building from scratch — or from a generator — is close to the only option, and waiting for a competitor's ad to happen to appear in your own feed isn't a strategy.

Generate your next ad in the right size, automatically

With no ad archive to research, start from the brief instead. Describe the product and generate a timeline-ready ad directly.

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Faster Path

Generate an X ad instead of researching one

X ads compete with real-time conversation, not a curated feed — the strongest ones read like they belong in the timeline, not like an interruption to it. Describe the product and offer, and the generator produces a landscape or square creative sized for X's timeline, with copy built to hold up next to short-form text posts rather than reading like a banner dropped into a conversation.

Because there's no dedicated X placement in most ad tooling, this generator reuses the same landscape feed sizing Meta uses for its own feed placements — the closest match to how X actually crops and displays image ads, and a size the platform's ad manager already accepts without complaint.

Creative Tips

Four things that make these ads perform

Write for a text-heavy feed

X's timeline is mostly text — an image ad needs to read clearly at a glance rather than compete on visual density, since it's sitting between dozens of plain-text posts rather than other polished creative.

Landscape crops safer than square in the timeline

16:9 matches how X most commonly renders image ads inline; square assets sometimes get cropped unpredictably depending on surrounding post density and device.

Front-load the offer

X's audience scrolls fast between short posts — put the specific offer in the first few words rather than building up to it, since most viewers won't linger long enough to reach a slow reveal.

Design the video thumbnail like a still ad

Since autoplay is muted, the first frame of any video ad needs to work as a standalone static image — assume most viewers will judge it before ever tapping to unmute.

X FAQ

X ad generator, answered

Is there an X Ads Library like Meta's?

Not for commercial ads. X's transparency center covers political and issue-based advertising specifically — everyday product ads aren't searchable through any official tool, no matter how large the advertiser.

What size should my main X ad be?

1200×675 (16:9 landscape) is the most common crop for timeline image ads. 1200×1200 square is a safer alternative in a feed with mixed post densities and unpredictable cropping.

Why does this generator use the same sizing as Meta feed ads?

X doesn't publish a dedicated placement spec the way Meta or LinkedIn do. The landscape feed sizing Meta uses for its own feed is the closest practical match to how X displays image ads inline, so it's the safer default until X publishes its own guidance.

Can I research competitor ads on X before generating my own?

Not through an official X tool for standard commercial ads — that research option simply doesn't exist on this platform the way it does on Meta or TikTok. Generating directly from a brief is closer to the only workable path, rather than waiting to spot a competitor's creative by chance.

Does the copy style change for X specifically?

Yes. Selecting X shifts the copy toward the punchier, front-loaded style that holds up next to short-form text posts, rather than the longer captions that work on Meta or LinkedIn, where readers expect more context up front.

Your next X ad, timeline-ready

No archive to search on this platform — describe the product and generate directly.

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Explore other platforms

Same generator, different specs — jump to another platform's ad format.

AdLibrary.net is an independent ad generation tool. It is not affiliated with, endorsed by, or connected to Meta, Google, TikTok, LinkedIn, X or Pinterest. Platform names are used only to describe the ad formats the generator renders for.