When it comes to creating high-performing Facebook ads, one thing every marketer must get right is the facebook ad specs. Without the correct dimensions, file sizes, or character limits, your ads risk displaying incorrectly, which can hurt both engagement and conversions. That’s why following the right ad specifications is more than just a guideline; it’s a necessity for maximizing results.

Why Facebook? Because it continues to dominate the social advertising space. In fact, nearly 97% of marketers who advertise on social media choose Facebook as their top platform. With billions of active users, it offers unmatched reach and advanced targeting options that other platforms simply can’t compete with.

In this blog, we’ll walk you through the updated Facebook ad specs for 2025, from Carousel Ads and Reels Ads to Stories, Marketplace, and beyond. Whether you’re running image-based campaigns or testing video strategies, these specifications will ensure your ads look sharp, load fast, and connect with the right audience across every placement.

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Facebook Ad Specification

Facebook advertisements are an essential part of any social media marketing strategy. To ensure your campaigns perform at their best, it’s crucial to follow the correct Facebook ad specs for each ad format. Using accurate dimensions, file sizes, and character limits will help your content display correctly across all devices and maximize engagement.

Here are the key Facebook ad formats you should know in 2025:

1. Facebook Carousel Ads – Showcase multiple images or videos in a single ad unit.

2. Facebook Collection Ads – Feature a primary video or image with multiple product images underneath.

3. Facebook Feed Ads – Appear directly in users’ news feeds as images, videos, or carousels.

4. Facebook Instant Articles Ads – Display ads within fast-loading Facebook Instant Articles.

5. Facebook In-stream Video Ads – Short video ads that play during other video content.

6. Facebook Marketplace Ads – Reach users browsing items on Facebook Marketplace.

7. Facebook Right Column Ads – Appear in the right-hand column of desktop Facebook feeds.

8. Audience Network Ads – Native, banner, and interstitial ads displayed on third-party apps and websites.

9. Messenger Ads – Including Messenger Home and Sponsored Messages, appearing within Facebook Messenger.

10. Facebook Stories Ads – Full-screen vertical ads appearing in Facebook Stories.

11. Facebook Reels Ads – Short vertical videos that appear between Reels content.

12. Facebook Lead Ads – Designed to capture user information directly within Facebook.

13. Facebook Shops Ads – Promote products directly from your Facebook Shops catalog.

With this updated list, marketers can now leverage every Facebook ad spec to create visually appealing, high-performing campaigns across all available placements.

Carousel Facebook Ad Specs

Facebook  carousel ads analyses the entire process by dispensing you relevant ads of the keyword that you have entered. It provides assistance for social media platforms such as Google, YouTube, Instagram, and of course, Facebook on which you can promote and advertise your products and services. It also benefits in creating convincing ads for your website with perfect size by comparing others.

Facebook Carousel Advertisements are an excellent technique to flaunt your brand with different combinations of videos or images. Carousel Ads are a sort of broadcasting format which connects various images or videos that Facebook users can go through in an individual advertising platform.

It is best for businesses that aspire to:

1. Exhibit and promote various products at a time
2. Layout different traits of their service
3. Great offers, customer reviews or supporting testimonials in a single advertisement

For marketers, it is excellent to display multiple shades, dimensions and other important aspects to influence customers to initiate a purchase. The ad format is convenient for images and videos of all Facebook Carousel ad platforms.

Types Of Facebook Carousel

Above all, Facebook Carousel Ads comes up with 06 different types of advertisements:

1. Audience Network Native, Banner and Interstitial
2. Facebook Feed
3. Instant Articles
4. Facebook Marketplace
5. Facebook Right Column
6. Messenger Inbox

Fortunately, there is hardly a little difference between every other Facebook ad type enclosed under Carousel for video and image advertisements.

Check out the specs below:

Facebook Carousel Image Ads Specifications and Directions

1. Carousel Advertisement image size: At least 1080 x 1080 Pixels
2. Images with 20% text develop possibilities of failed delivery
3. Maximum 10 cards and Minimum of 2 cards per Carousel Ad
4. Maximum size of the image should be of 30MB
5. Minimum height and width of 600 Pixels
6. Recommended ratio of Carousel Ads is 1:1
7. Supported image formats are PNG and JPG

Facebook Carousel Video Ads Specifications and Directions

1. Recommended video resolution is a minimum of 1080 x 1080 Pixels
2. Maximum 10 cards and a minimum of 2 cards per Facebook Carousel Ad
3. Suggested video formats: .MP4 and .MOV
4. Maximum size of a video ad file is 4GB
5. Maximum video length: 240 minutes
6. Video thumbnails with 20% text rise chances of a missed delivery

Facebook Carousel Ads Character Guidelines

1. Headline: 40 Characters
2. Link Description: 20 Characters
3. Text: 125 Characters

Facebook Feed Ads

Every marketer is striving for a post on a target customer’s Facebook Feed. It is the best domain for the brands to make their Facebook advertisements stand out. Convenient to build in both in video and image advertising format, the advertisements are available on every device which works well for Facebook.

Let’s dive right into it:

Facebook Feed Image Ads Specifications and Directions

1. Recommended ad image size: 1200 x 628 Pixels
2. Images with 20% text develop uncertainties of failed delivery
3. Minimum height and width: 600 pixels
4. Supported aspect ratio is between 9:16 to 16:9
5. Suggested image formats are JPG and PNG

Facebook Feed Image Ads Character Guidelines

1. Headline: 25 Characters
2. Link description: 30 Characters
3. Text: 125 Characters

Facebook Feed Video Ads Specifications and Directions

1. Aspect ratio is between 9:16 to 16:9
(Horizontal: 16:9, Square: 1:1, Vertical: 4:5 or 2:3 and Full Portrait: 9:16)
2. Maximum video length is 240 minutes
3. Minimum dimensions:
600 x 315 (1.9:1 Landscape)
600 x 600 (Square)
4. Suggested uploading the most powerful video resolution possible
5. Supported video formats: .MP4 and .MOV
6. The maximum video ad file size is 4GB

Facebook Feed Video Ads Character Guidelines

1. Headline: 25 Characters
2. Link description: 30 Characters

Facebook In-stream Video Ads

Facebook In-stream Video advertisements are distinct from conventional feed advertisements as they are barely available from 5 to 15 seconds. Fast and reliable videos are ideal for businesses seeking to attract Facebook users with limited communications.

In-stream Video Ads Specifications and Directions

1. Recommended uploading the highest resolution video possible
2. Captions are optional
3. Extremely important to incorporate video sound
4. Suggested aspect ratio is 16:9
5. Supported video formats are .MP4 and .MOV
6. The maximum video ad file size is 4GB
7. Video length should be between 5 to 15 seconds

 Instant Articles Facebook Ad Specs

Are you looking forward to developing advertising content across Facebook?

Facebook Instant Article Ads enables creative and fast loading content via Facebook. Above everything, marketers have the opportunity to put these advertisements within their articles. Advertising format is convenient for both video and images of ads content.

Instant Article Ads Image Specifications and Directions

1. Supported image size: 1,200 x 1,200 pixels
2. Images with 20% text could rise uncertainties of failed delivery
3. Suggested aspect ratio must be between 9:16 to 16:9
4. Valued image formats are JPG and PNG

Instant Article Video Ads Specifications and Directions

1. Recommended uploading the highest resolution of video available
2. Suggested video formats are .MP4 and .MOV
3. Supported aspect ratio is between 9:16 to 16:9
4. The maximum video file size is 4GB
5. Video thumbnails with 20% text could develop possibilities of failed delivery
6. Video maximum length is 240 minutes

Instant Article Ads Character Guidelines

1. Link description: 30 Characters
2. Headline: 25 Characters

Facebook Marketplace Ads

Facebook Marketplace serves as the core of the platforms to purchase and trade products with Facebook users in your community. While going through this trait of Facebook, you can check out Facebook Marketplace Ads. It is perfect if you are willing to grab the attention of more users to your brand’s official website exploring a particular product or a location. Image and Video format ads are available in marketplace ads.

Facebook Marketplace Image Ads Specifications and Directions

1. Supported image size: 1200 x 1200 Pixels
2. Images with 20% text raise uncertainties of failed delivery
3. Suggested aspect ratio should be between 9:16 to 16:9

Facebook Marketplace Video Ads Specifications and Directions

1. Supported uploading the most powerful resolution video possible
2. Maximum video ad file size is 4GB
3. Maximum video ad length is 240 minutes
4. Suggested aspect ratio must be between 9:16 to 16:9
5. Video formats are .MP4 and .MOV
6. Video thumbnails with 20% text could grow risks of failed delivery

Facebook Marketplace Ads Character Guidelines

1. Headline: 25 Characters
2. Link description: 30 Characters
3. Text: 125 Characters

Messenger Facebook Ad Specs

When Facebook users go through their Facebook Messenger, paid advertisements are ready to emerge between their conversations. The Messenger advertising format is particularly convenient for image ad content and is only displayed on the Facebook Messenger application.

Facebook Messenger Ad Image Specifications and Directions

1. Supported uploading a video of the highest resolution possible
2. Images with 20% text could develop possibilities of failed delivery
3. Recommended image formats are JPG and PNG
4. Suggested aspect ratio should be between 9:16 to 16:9

Facebook Messenger Ads Character Guidelines

1. Headline: 25 Characters
2. Text: 125 Characters

Facebook Reels Ads

Reels Ads on Facebook are short, engaging, vertical videos that appear between organic Reels content. They are designed to capture attention quickly and are ideal for brand awareness, product highlights, and viral campaigns. Reels Ads can be up to 60 seconds long, though the most effective ones are 15–30 seconds. These ads support full-screen vertical videos with recommended dimensions of 1080 x 1920 pixels and aspect ratio of 9:16. File formats accepted include MP4 and MOV, and the maximum file size is 4GB. Keep text minimal—Facebook Reels Ads perform best with concise messaging.

Character Guidelines:

• Headline: 40 Characters

• Text: 125 Characters

By leveraging Reels Ads, marketers can tap into high engagement rates, particularly among younger audiences, while adhering to facebook ad specs for vertical video content.

Facebook Stories Ads

Stories Ads appear in the Facebook Stories feed and are fully immersive, full-screen vertical ads. They support both images and videos, with recommended image size 1080 x 1920 pixels and aspect ratio 9:16. Videos can be up to 15 seconds, and formats include MP4 or MOV, with a maximum file size of 4GB. Adding a clear call-to-action (CTA) is crucial because Stories are often viewed quickly, so concise, compelling messaging is key.

Character Guidelines:

• Headline: 25 Characters

• Text: 90 Characters

Optimizing Stories Ads in line with facebook ad specs ensures your content appears correctly across all devices while maximizing engagement in this fast-scrolling format.

Facebook Lead Ads

Lead Ads are designed to capture user information directly within Facebook without sending users to an external landing page. These ads are available in image, video, and carousel formats. Recommended image size for Lead Ads is 1200 x 628 pixels, with a 1.91:1 aspect ratio. Videos should follow facebook ad specs for Feed Ads, supporting MP4 or MOV formats with a maximum length of 240 minutes and file size of 4GB. Lead Ads perform best with concise text, an engaging headline, and a clear CTA button.

Character Guidelines:

• Headline: 40 Characters

• Text: 90 Characters

• Link Description: 30 Characters

Marketers can use Lead Ads to efficiently grow their email lists, collect sign-ups, or gather survey responses while staying fully compliant with facebook ad specs.

With so many formats and detailed facebook ad specs to follow, running successful campaigns can feel overwhelming. This is where the right tool makes all the difference, helping you not only analyze competitors’ ads but also discover what’s working in your niche.

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PowerAdSpy – The Ultimate Facebook Ad Spy Tool

PowerAdSpy is more than just an ad research platform—it’s a powerful Facebook ad spy tool that helps marketers, advertisers, and businesses discover winning ad strategies with ease. It enables you to explore millions of ads, understand what works in your niche, and apply those insights to create campaigns that truly convert. Here’s how it helps:

Filter By Ad Positions

PowerAdSpy allows you to filter ads based on placements like News Feed or Sidebar. This helps you analyze which ad positions perform best in your niche so you can focus on strategies that drive higher conversions.

Complete Visibility

It enables you to see ads with complete transparency. PowerAdSpy lets you visit live ad posts directly from the platform, helping you check real-time engagement, audience reactions, and feedback without guesswork.

Data From Millions Of Ads Across 100+ Countries

With one of the fastest-growing ad libraries, PowerAdSpy empowers you to access millions of ads from over 100 countries. Thousands of fresh ads are added every day, allowing you to discover successful campaigns in just a few clicks.

Narrow Down Your Searches

PowerAdSpy helps you refine your search by niche keywords, advertisers, or even competitor domains. It allows you to track top-performing advertisers and see the ads they are running, giving you direct insights into their strategies.

Bookmark The Best Ads

It enables you to save inspiration effortlessly. Whenever you find ad ideas worth reusing, you can bookmark them with a single click and store them in your personalized ad inventory for quick future access.

Powerful Search Algorithm

PowerAdSpy helps you find the exact ads you need by searching with specific keywords or phrases. You can sort results by date, shares, likes, or comments—making it easier to identify ads that perform best in your industry.

Engagement-Oriented Details

It provides detailed engagement metrics, helping you understand which ads truly resonate with audiences. By analyzing social interactions, you can spot the real winners in your niche.

Combination of Video and Image Ads

PowerAdSpy enables you to explore both image and video ads. Since videos are dominating social media right now, the platform helps you understand what kind of video ads perform best and even allows you to download them for inspiration.

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Final Words

In this blog, we have tried to incorporate the advertising specifications and descriptions presented by Facebook appropriately. It must come handy for the marketers who are already advertising on Facebook and also for the small businesses who are looking forward to taking their business and promoting their products and services on the greatest social media platform that is Facebook.

I hope the blog helped you learn more about Facebook Ad Specs. If you ever search for Facebook ads specs, let this be your go-to reference. Is there something that we can include? Please drop your thoughts in the comments below. I would love to hear from you!

FAQs

Do Facebook ad specs differ between mobile and desktop?
Yes. While many specs overlap, ad placements like the Right Column are only visible on desktop, whereas formats like Stories and Reels are designed for mobile-first viewing. Marketers should always preview how creatives render across devices.

How many characters can a Facebook ad headline have?
Most formats allow up to 40 characters, but depending on placement, Facebook may truncate longer headlines. To maximize visibility, keep headlines short, direct, and under the recommended limit.

Do all Facebook ads require text?
No, text is not mandatory in every format. For example, Collection Ads and Reels Ads can perform well with strong visuals alone, but Facebook ad specs recommend adding concise supporting text to boost engagement and clarity.