Have you optimized the video size for your Facebook ads? If the video’s aspect ratio or duration is incorrect, the ad performance can suffer. Read this article to stay updated on the correct size and duration for Facebook ads video in 2025. Understanding the Size and Duration of Facebook Ads Video is crucial for better performance.
What are the benefits of video ads on Facebook?
In a highly competitive digital environment, video ads on Facebook are a powerful tool that helps businesses reach customers effectively. So, what are the specific benefits of this format?
- Increase engagement: Videos encourage viewers to interact through likes, comments, shares, and views.
- Extend watch time: Engaging video content can keep customers interested for longer, increasing brand recall.
- Attract attention: Videos stand out more than images or text, helping to capture the viewer’s attention from the very first few seconds.
- Communicate messages effectively: Motion, sound, and visual content help brands easily convey their messages.
- Increase conversion rates: Videos can prompt viewers to take actions such as visiting a website, signing up for services, or making a purchase.
Why is it important to pay attention to the size and duration of Facebook video ads?
The size and duration of Facebook video ads play a crucial role in capturing the viewer’s attention, optimizing the visual experience, and conveying the message effectively. If the video size is not appropriate, the content may be cropped, displayed incorrectly, or incomplete across different devices, from computers to mobile phones. This not only reduces the professionalism of the ad but also affects engagement rates and campaign performance.
In addition, the duration of the video is also an important factor. A video that is too long may cause viewers to lose patience and skip it, while a video that is too short may not have enough time to deliver the necessary message.
Facebook has specific guidelines for the optimal duration of ads for different formats such as News Feed, Stories, Reels, and In-Stream. Therefore, adhering to the correct size and display duration will help your ads reach the right audience, optimize costs, and achieve the highest effectiveness for your campaign.
The most standard video size and duration for Facebook ads in 2025
Videos on In-Feed Ads
Displayed directly in users’ News Feed, In-Feed Ads are an ideal choice for telling a brand story, capturing attention, and driving engagement. This type of ad helps businesses reach customers while they are scrolling through Facebook, providing an opportunity to optimize the click-through rate (CTR) and conversion.
Specifications:
- Minimum size: 600 x 315 pixels (aspect ratio 1.9:1) or 600 x 600 pixels (aspect ratio 1:1).
- Aspect ratio: 9:16 to 16:9 (including horizontal 16:9, square 1:1, vertical 4:5, 2:3, and full screen 9:16).
- Video format: MP4, MOV, GIF.
- Maximum file size: 4GB.
- Video duration: Up to 240 minutes.
- Captions and audio: Not mandatory but recommended to increase reach.
- Text limits: Description up to 125 characters, headline up to 25 characters, link description up to 30 characters.
Video on Stories Ads
Ads appear in Stories on Facebook, Messenger, and Instagram, allowing businesses to quickly, visually, and naturally connect with customers. Since users often view Stories continuously, this format is ideal for delivering concise messages and creating strong engagement.
Specifications:
- Resolution: As high as possible to ensure the best image quality.
- Aspect ratio: 9:16 (recommended), supports from 16:9 to 9:16.
- Format: MP4, MOV.
- Maximum file size: 4GB.
- Maximum duration: 2 minutes.
- Thumbnail: Should avoid containing more than 20% text to prevent reducing display effectiveness.
Video Ads on Reels
Appear on Reels – a popular short video feature on Facebook, enabling businesses to reach customers through creative short videos with high viral potential.
Specifications:
- Resolution: It is recommended to upload in the highest quality.
- Aspect Ratio: 1.91:1 to 9:16 (recommended 9:16 for full-screen display).
- Format: MP4, MOV.
- Maximum file size: 4GB.
- Duration: Maximum 2 minutes.
- Captions: Currently not supported, so ensure the video content is easily understandable even without sound.
In-Stream Video Ads
Displayed within the video stream that users are currently watching on Facebook Watch or other long-form content, In-Stream Ads help businesses reach customers naturally without interrupting their viewing experience.
Specifications:
- Aspect Ratio: 16:9 (recommended from 9:16 to 16:9).
- Format: MP4, MOV.
- Maximum file size: 4GB.
- Duration: 5-25 seconds.
- Text limits: Title up to 25 characters, link description up to 30 characters, text up to 125 characters
Video Ads on Marketplace
Appearing in the Marketplace – where users search and shop for products directly on Facebook, video ads here help businesses reach customers with high shopping intent.
Specifications:
- Resolution: As high as possible to avoid blurriness when displayed on multiple devices.
- Aspect Ratio: 9:16 to 16:9 (recommended).
- Format: MP4, MOV.
- Maximum File Size: 4GB.
- Duration: Up to 240 minutes.
- Text Limits: Description up to 125 characters, title up to 25 characters, link description up to 30 characters.
Facebook Ads Collection Ads
This ad format combines a video with up to 5 products displayed below, allowing businesses to showcase multiple products in a single campaign. This is particularly effective for fashion, technology, cosmetics, and retail brands when showcasing a diverse product catalog.
Specifications:
- Minimum Resolution: 1200 x 628 pixels (recommended).
- Maximum File Size: 4GB.
- Duration: Up to 120 minutes.
- Text Limits: Title up to 25 characters, link description up to 30 characters, text up to 125 characters.
- Thumbnail: If text is included, it should be under 20% to ensure effective display.
Some Other Video Sizes for Facebook Ads
In addition to the main ad formats, you should also be aware of some other video sizes to ensure optimal display on different placements:
- Aspect Ratio 9:16 (900 x 1600 px): Suitable for Feed, Marketplace, Video Feed, Stories, Messenger, and In-Stream Ads.
- Aspect Ratio 4:5 (1600 x 1125 px): Used in Feed, Marketplace, Messenger, and In-Stream Video.
- Aspect Ratio 1:1 (Square): Ideal for Feed Ads and Carousel Video Ads.
- Vertical Aspect Ratios 4:5 & 9:16: Optimized for Feed Ads, Stories, and Audience Network.
What to Keep in Mind When Uploading Videos from Editing Software to Facebook?
When uploading videos from editing software to Facebook, you need to follow some technical standards to ensure the best display quality. According to Meta’s guidelines, videos should be exported in H.264 for video and AAC for audio, with MOV or MP4 file formats.
Additionally, the aspect ratio should ensure that the width is under 4000px and divisible by 16px to avoid display distortion. The recommended maximum frame rate is 30fps to ensure smooth playback without consuming too much storage.
Audio should be set to stereo with a 44.1 kHz frequency for the best quality. It is also advisable to avoid using editing lists or special fields in the video file, as this may affect the display process on Facebook.
Choosing the correct video size and duration for your Facebook Ads not only ensures optimal display but also enhances campaign performance, attracting potential customers. KTM Ads can play a vital role in delivering your message effectively to the right audience. With the right specifications, you can maximize your ad’s visibility, engagement, and conversion rate. Hopefully, this article has provided you with the necessary specifications to optimize your ads
