How to Turn Organic Posts Into Meta Ads

Advertiser method. Meta does not publish this as a rule. The mechanics below come from Meta’s documentation; the method itself is common advertiser practice, and results vary.

You turn an organic post into an ad by creating the ad in Ads Manager, choosing Use existing post, and selecting a Facebook or Instagram post you have already published. Meta documents the steps and several limits. Deciding which posts deserve paid spend is advertiser judgment, covered below.

This approach fits posts that already look native, that people have reacted to, and that fit the objective you want. It fits less well when the post carries a call to action for a different goal, or when you want to change ad details, because Meta says those changes also change the post.

How do you set it up?

Meta’s steps for Facebook posts are: go to Ads Manager, select Create, choose an objective and set up the campaign, then in the ad setup choose Use existing post and Select post. Meta says this feature is only available on a computer. For Instagram, select the Instagram account under identity at the ad level, then pick a recent feed, Reels or Stories post. For an older post, Meta says to search for it using the unique code at the end of its instagram.com URL.

What you can do: for a Facebook Page post, if you search by post ID, use the ID shown in the Page posts ID column. Meta says to avoid IDs copied from a URL.

What limits does Meta list?

Call to action. Meta says a post whose existing call to action has a different goal may not work with your objective. Its example is that a Shop now post cannot be used to create a call ad.
Edits reach the post. Meta says modifying details on the ad, such as adding a phone number, also changes the information on the existing post. Where the post has a call to action, removing it removes it from both, and Meta notes the remove button may not be available when a call to action is required to publish.
Stories. Only active Stories can be selected, not archived Stories or ones added to Highlights.
File size. Meta says to avoid creating ads from posts with images over 8 MB.
Stickers. Meta says the polling sticker and swipe up call to action are only available on ads created without a pre-existing post, though swipe up in an existing story carries over, and advises avoiding emojis, GIFs, music stickers, link stickers and more than one sticker.

Which posts are worth turning into ads?

The cited pages do not say which posts to choose, so that is your judgment. You can look for posts that:

already make one point clearly and open on that point quickly;
show the product or offer you want to push, in a format that suits the placements you chose;
carry no call to action that conflicts with the goal of the campaign.

What you can do: shortlist a few posts, and run them as separate ads in one ad set so you can compare them. The entry on testing ad creative covers fair comparisons.

Can you adjust the creative per placement?

Meta says that after you select an existing post you can edit and customize the creative for individual placements. You can choose Facebook feed posts, Instagram feed and Stories posts, and branded content if you partner with creators. The entry on adapting one creative for every placement covers the tools.

What about creator and shoppable posts?

For creators, Meta says that if you boost an existing collab post in Ads Manager it automatically becomes a partnership ad. The entry on partnership ads covers the permissions.

For shoppable posts, Meta says the ad creative features the product tags from the organic post. It requires a catalog containing the tagged products, and lists awareness, traffic, engagement, leads and sales as supported objectives, with extra choices for some of them. To boost a carousel, every image needs a product tag.

What are the trade-offs?

Shared engagement. Meta notes that if you run the Facebook post on an Instagram placement, your total engagement metrics, such as likes, will not show engagement from the Instagram post.
Less control. Editing the ad’s details can alter the post, and the post’s existing call to action can restrict what you can set up.
Organic bias. A post people liked for entertainment may not suit a sales objective.
Computer only. Meta says creating ads from Facebook Page posts is only available on a computer.

FAQ

Is this the same as boosting a post?

Meta’s pages use both words, for example boosting an existing collab post in Ads Manager. The flow here is the Ads Manager one: set the objective, audience and placements, then select an existing post at the ad level. The entry on boost versus Ads Manager compares it with boosting from the Instagram app.

Will editing the ad change my original post?

It can. Meta says modifying details on the ad, such as adding a phone number, also changes the information on the existing post you selected. Review the post after you publish the ad.

Can I use any post I have published?

Not always. Meta says some existing posts are not compatible with your selected objective, because a post’s existing call to action can limit what ad you can create. Instagram Stories must be active. Images over 8 MB are best avoided.