All blogs

A Guide to Instagram Ad Formats (2025)

Guide

Instagram has become a go-to place for brands looking to connect with their audience. This does not come as a surprise since the platform offers a variety of ad formats designed to capture attention, drive engagement, and convert followers into customers. Whether you're launching a new product, building brand awareness, or retargeting past visitors, choosing the right ad format will help you succeed. This guide breaks down each Instagram ad format available in 2025, explaining how they work, when to use them, and best practices for maximizing results.

By Colin Campbell

Head of Content & Community

A Guide to Instagram Ad Formats (2025)

1. Image Ads: Simple Yet Effective

Image ads rely on an instant visual hook to spark engagement. They're classic for a reason: compelling images with concise messaging can quickly cut through feed distractions. 

Source: Meta ads guide

Centered around a single, standout visual, these ads are ideal for announcing product launches, events, or a brand refresh. They integrate smoothly into Instagram feeds without feeling intrusive, appealing to casual scrollers at a glance. With an image ad, you can capture and hold viewer attention by focusing on a powerful visual and pairing it with a brief message. Use striking imagery that resonates with your target audience to improve brand recognition and engagement.

Specs & Technical Details

  • Dimensions: Recommended 1080×1080 pixels (1:1). Landscape at 1080×566 (1.91:1) and portrait at 1080×1350 (4:5) are also supported.
  • File Format: JPEG and PNG are standard.
  • File Size: Aim for under 30 MB.
  • Caption Length: Up to 2,200 characters, though shorter captions often perform better.
  • Text on Images: Minimal text preserves your visual's impact.

Best Practices

Focus on high-quality visuals that are crisp and on-brand, as they leave a lasting impression on viewers. Keep text minimal; let the image speak for itself to maintain the visual appeal. Stick to a core message and avoid overloading the viewer; align the image and caption with a single call-to-action. Stay consistent with branding by using uniform colors, fonts, and styles to build recognition. Audience targeting with AI can help you tailor visuals to your audience's preferences for better engagement.

Video Ads: Engage Your Audience with Motion

Video ads have taken center stage on Instagram, as they offer brands a dynamic way to capture attention and engage audiences. With the fusion of movement, sound, and creative storytelling, video ads provide a compelling medium to convey messages. 

Source: Meta ads guide

They immerse users through movement, sound, and storytelling. Quick cuts, relatable narratives, or stunning visuals are very important to get good results.

Specs & Technical Details

  • Length: 3 to 60 seconds. For optimal engagement, aim for 15–30 seconds.
  • Format: MP4 or MOV with at least 720p resolution; 1080p is recommended.
  • Aspect Ratios: 1:1 (square), 1.91:1 (landscape), or 4:5 (vertical).
  • CTAs: Optional buttons and captions can improve conversions.

Best Practices

To make the most out of your video ads, grab attention immediately by starting with an impactful scene or text overlay. Make your content captivating, clear, and credible to maintain engagement throughout the video. Embrace current trends, such as using popular tracks or Reels-friendly aesthetics. Always include a strong call-to-action at the end to prompt viewers to take a memorable next step, whether it's shopping or subscribing.

Carousel Ads: Storytelling with Multiple Visuals

Carousel ads combine multiple images or videos into one interactive post. Users swipe to see each card. 

Source: Meta Ads guide

Carousel ads offer many opportunities for brands to engage audiences with interactive and personalized content journeys. They are particularly effective when you want to showcase multiple products, highlight different features, or tell a sequential story. They can also guide viewers through a step-by-step demonstration, which is perfect for tutorials or explaining processes.

Specs & Technical Details

  • Slides: 2 to 10 images or videos per carousel.
  • Dimensions: Minimum 1080×1080 pixels (1:1); landscape (1.91:1) and vertical (4:5) ratios are also supported.
  • File Format: JPEG/PNG for images, MP4/MOV for videos.
  • File Size: Up to 30 MB for images and 4 GB for videos.
  • Text Limits: Up to 125 characters for primary captions, plus hashtags.
  • Video Length: 1 second to 2 minutes per card.

Best Practices

To make the most of carousel ads, it's important to plan the narrative carefully so that each card builds on the last. Maintain visual consistency by keeping color palettes and designs cohesive across all cards. Also, using a strong first image to hook users from the start encourages them to swipe through the entire carousel. Include a clear call-to-action on the final card to prompt users to take action, such as visiting your website or making a purchase. Regularly test and iterate by rotating new sequences or visuals to see what works best with your audience.

Story Ads: Immersive Full-Screen Experience

Story ads fill the entire screen, eliminating competing visuals and immersing users in your content. They appear between organic user stories. 

Source: Meta Ads guide

Story ads can also be interactive if you use augmented reality filters and shoppable tags. 

Specs & Technical Details

  • Aspect Ratio: 9:16 (1080×1920 pixels) for full-screen coverage.
  • Video Length: Up to 15 seconds.
  • File Formats: JPEG/PNG for images, MP4/MOV for videos, each under 30 MB.
  • CTAs: "Swipe Up" prompts encourage clicks.

Best Practices

Great story ads capture attention quickly by using powerful visuals or text overlays in the first few seconds. It's important to stay on-brand and use colors, logos, and styles that match your usual content. You can also encourage interaction by incorporating polls or quizzes. Keep the ad concise and let the visuals carry the story without excessive text.

Reels Ads: Capitalize on the Short-Form Video Boom

Reels ads are short, vertical video advertisements that appear between organic Instagram Reels. This dynamic ad format supports images and videos. 

Source: Meta Ads guide

Reels ads are a great choice for B2C brands because they’re short, engaging, and feel native to how people already consume content. They grab attention fast, show off products in action, and make it easy for users to interact, whether it’s liking, sharing, or clicking to buy. Plus, with Instagram and Facebook prioritizing Reels, these ads get great organic reach and visibility.

Specs & Technical Details

  • Video Dimensions: 9:16 for a vertical, full-screen effect.
  • Length: Up to 60 seconds; shorter is often more engaging.
  • Format: MP4 or MOV, under 4 GB.

Best Practices

Keep Reels ads short and sweet; 6–15 seconds is often the optimal length to retain viewer attention. Blend polished and authentic footage, and consider mixing high-quality clips with raw, more personal content. Test different approaches, and vary story angles, music choices, or visuals to see what resonates most with your audience. Use native features such as stickers, text overlays, or trending audio to make ads feel organic and engaging. Finally, stay current by engaging with popular music or participate in challenges to create buzz and connect your brand with current trends.

Explore Ads: Reach Discovery-Mode Users

Instagram Explore ads are sponsored posts that appear within the Explore tab, where users discover new content based on their interests. 

Source: Meta Ads guide

With Explore Ads, you can tap into a vast pool of potential customers who are actively searching for new content, and allow them to discover your products or services organically. These ads blend into the Explore feed, and match the style of posts users already enjoy. People visit the Explore tab looking for fresh ideas, so this format can help you make a strong first impression on new audiences.

Specs & Technical Details

  • Depends on the format you use. Carousel, video, and image ads all have different requirements when appearing on the Explore page.

Best Practices

When using Instagram Explore ads, keep your visuals eye-catching and high-quality—bright colors, bold text, and engaging imagery work best. Keep your message short and clear since users scroll fast, and make sure your call-to-action is strong (like “Shop Now” or “Learn More”). Since Explore is all about discovery, lean into creative, trend-driven content that feels native to the platform rather than overly polished ads.

Shopping Ads: Drive Direct Purchases

Instagram Shopping ads are paid promotions that showcase products directly within Instagram, allowing users to explore, tap, and purchase items through product tags or links to a brand’s online store. These ads appear in feeds, Stories, Explore, and the Shop tab. 

Source: MarketingWeek

With product tags and direct purchase links, shoppers can go from browsing to buying in seconds.

Specs & Technical Details

  • Product Showcase: Highlight one or more items.
  • Tags: Product tags display price and description.
  • CTA: "Shop Now" or "Learn More" encourage direct action.
  • Shopping Collections: Display multiple items in a single ad.
  • Catalog Integration: Sync products with an Instagram-approved catalog.

Best Practices

Present polished imagery that displays products clearly. Provide clear details, such as product specifications or pricing, to help shoppers know exactly what they're getting. Include strong calls-to-action, like "Buy Now" or "Shop the Collection," to prompt quick decisions from potential buyers. Keep your inventory updated to avoid disappointing customers.

How to Choose the Best Format for Your Goals

When choosing the best format for your ad campaign, consider:

  • Ad type and format: Is the ad best suited for a single image, multiple visuals, or video content? Choosing between images, carousels, or videos depends on your message and how you want to present it.
  • Component requirements: What are the dimensions, file formats, aspect ratios, and recommended run times? Check that your ad meets technical specs to prevent issues like cropping or poor display on devices.
  • Ideal use case: Are you aiming to grow brand awareness, sell products, or increase your following? Select the formats that align with your campaign objectives.
  • Engagement opportunities: Do you want likes, swipes, video views, or interactive features? Different formats offer various interaction types; choose one that encourages the desired user action.
  • CTA options: Your call-to-action should be clear and suited to the ad format to drive conversions.

Boost Your Instagram Ad Performance with AI

Want to get better results from your Instagram ads? AI can take your campaigns to the next level by analyzing user behavior and optimizing ad placements for maximum impact. This means more personalized campaigns, higher engagement, and better conversions, without the guesswork.

Plus, AI helps pinpoint the best-performing visuals, formats, and messaging, so you can fine-tune your strategy for even stronger results. With Pixis, you can launch data-driven, high-performing Instagram ads effortlessly. Just book a demo to learn more about our AI targeting, budget optimization, and ad creative capabilities.