> Quick answer: Use a 4:5 image at 1440x1800px, JPG or PNG, max 30MB. Keep your headline under 40 characters and primary text under 125. Design for mobile. Stay on brand.
What Is an Instagram Feed Ad?
Definition and placement
An Instagram feed ad is a paid image that appears directly in users' home feeds. It looks like a regular post with a small "Sponsored" label below the username.
Why feed ads are effective for discovery
Per Instagram's Help Center, feed ads reach people as they actively scroll and browse. Instagram is a visual-first platform. People go there to discover products and get inspired. A strong feed ad puts your brand right in that discovery moment.
Instagram Feed Ad Specifications
Per Meta's Ads Guide, these are the technical specs for Instagram feed image ads. Get them right before you design anything.
Recommended dimensions (4:5 aspect ratio: 1440x1800)
The recommended format is 4:5 at 1440 x 1800 pixels. This portrait orientation takes up more vertical screen space on mobile. More screen space means more attention.
Alternative aspect ratios (1:1, 16:9)
Instagram supports aspect ratios from 1.91:1 (landscape) to 4:5 (portrait). A 1:1 square at 1080x1080px is a clean, balanced option. Landscape (16:9) works but occupies less of the screen.
File format and size limits
Use JPG or PNG. Maximum file size is 30MB. Minimum width is 500 pixels. Aim for 640px or higher for crisp display across all devices.
Text and headline character limits
Headline: 40 characters. Primary text: 125 characters. Keep your copy tight. Every word needs to earn its spot.
Core Design Principles
Meta's Business Help Center recommends three things for Instagram image ads: on-brand, concept-driven, and well-crafted. Here is what that means in practice.
Keep it on-brand and concept-driven
Your ad should feel like your brand, not a generic stock photo. Use your brand colors, fonts, and visual style. Have a clear concept behind each creative. Random visuals get ignored.
Use high-quality, well-crafted visuals
Low-resolution images damage brand perception. Instagram is a high-standard visual environment. Use sharp, well-lit images. Blurry or pixelated visuals get scrolled past instantly.
Composition and mobile-first design
Most users see your ad on a phone. Keep your composition simple. Place the focal point in the upper two-thirds of the frame. Avoid cluttered layouts that compete for attention.
Text placement and legibility
Overlay text carefully. Use high contrast between text and background. Keep font sizes readable on a small screen. Avoid placing text near the edges where it can get clipped.
Step-by-Step: Design Your Instagram Feed Ad
Step 1: Choose your image format and aspect ratio
Start with 4:5 (1440x1800px). It dominates the most screen space in feed. Use 1:1 if you also plan to run the same creative on Facebook feed.
Step 2: Create or source your visual asset
Use a product photo, lifestyle image, or AI-generated creative. The image does the heavy lifting. Make it sharp and purposeful.
Step 3: Add headline and primary text
Write your headline in 40 characters or fewer. Write your primary text in 125 characters or fewer. Lead with the value. Cut the filler.
Step 4: Review and optimize for mobile
Preview your ad on a phone before publishing. Check that text is readable. Check that key visuals are not cropped. What looks fine on a desktop can break on mobile.
Step 5: Export in the correct format
Export as JPG or PNG. Keep the file under 30MB. Name your files clearly so you can track and manage them in your creative library.
Common Design Mistakes to Avoid
Overcrowding the image with text
Too much text on the image hurts readability. Keep text overlays minimal. Let the visual speak first.
Ignoring the mobile preview
Desktop previews lie. Always check your ad on a real phone screen before it goes live.
Using low-resolution images
Blurry ads signal low quality. Start with a high-res source file. Upscale if needed before you publish.
Inconsistent branding
Your ad should be instantly recognizable as yours. Inconsistent fonts, colors, or tone weaken recall and confuse your audience.
Design Your Feed Ad Faster with Coinis
Generate on-brand images with Image Ads
Coinis's Image Ads workflow generates ready-to-publish feed creatives from a product URL. Your Brand Profile supplies your colors, fonts, and tone. Every output is on-brand from the first generation. No design tool required.
Resize and adjust with Revise for spec compliance
Need to hit the 4:5 spec? Coinis Revise's Smart Resize handles it in one click. Change text on the image, erase unwanted objects, or upscale a lower-res asset. All without leaving the platform.
Or let Coinis do it.
From a product URL to a live Meta campaign. AI-generated creatives. On-brand copy. Direct publish to Facebook and Instagram. Real performance reporting. All in one platform.
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Frequently Asked Questions
What is the best image size for an Instagram feed ad?
The recommended size is 1440 x 1800 pixels at a 4:5 aspect ratio. This portrait format takes up the most vertical screen space on mobile, which helps your ad stand out as people scroll. Per Meta's Ads Guide, the minimum width is 500 pixels and the file must be JPG or PNG under 30MB.
How many characters can I use in an Instagram feed ad?
Your headline is limited to 40 characters. Your primary text is limited to 125 characters. Keep copy tight and front-load your value proposition, since text gets truncated in the feed.
Can I use the same creative for Facebook and Instagram feed ads?
Yes, but with adjustments. A 1:1 square (1080x1080px) works across both placements. The 4:5 format works well for Instagram feed but may crop differently on Facebook. Coinis Revise's Smart Resize lets you adapt one creative to multiple specs quickly.
What file format should I use for an Instagram feed ad?
JPG or PNG are the accepted formats for Instagram feed image ads. Keep your file size under 30MB. Use PNG if your image has transparency or you need the sharpest possible text rendering.