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Advertising creative specs

Use Sponsored Posts to engage with your audience at a national scale

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  • Mobile feed
  • Desktop feed
  • Email digest
  • Neighborhood Extension
  • For Sale and Free
Lincoln_Paws_-_Extension (1) (1)

Mobile feed

When developing Sponsored Posts for mobile, keep in mind that the screens are smaller. Only the first 90 characters of your body copy will appear until the viewer expands the post.


Desktop feed

More text is visible before the viewer needs to expand the copy, but it’s best to still plan your copy around the mobile view.

Lincoln_Paws_-_Daily_Digest (2)

Email digest

Your Sponsored Post will run in the email digest. These posts drive users directly to your site, so consider an engaging image to give members a reason to learn more.

Lincoln_Paws_-_Extension (1) (1)

Neighborhood Extension

Your Sponsored Post will run on publisher sites across various formats like native, banners, and pre-roll.

Lincoln_Paws_-_FS_F (1)

For Sale and Free

Creative should be product focused to align with the FS&F section. Include pricing and discounts when possible in the ad. 


  • Advertiser name
  • Subject line
  • Body copy
  • Post image
  • Offer text
  • CTA
Advertiser Name (1)

Advertiser name

Share your brand name at the top of the ad.

  • All ad units: 25 characters max
Subject Line (2)-1

Subject line

Summarize your message with a compelling, conversational subject line. Write the way you’d talk to a neighbor, avoiding slogans, taglines or symbols. The subject line is your chance to entice people to read more about what you offer, so make every word count. Use sentence case.

  • Display, Video, Lead Gen, Click to Call, Carousel: 70 characters max
  • Email: 50 characters max
  • Neighborhood Extension: 25 characters max
  • For Sale & Free: Price
Body Copy (1)

Body copy

Use body text to expand on your message and detail the value you provide as a presence in the neighborhood. Lead with the most important information, since the body copy will sometimes be truncated depending on the post’s placement.

  • Display & Video: 90 characters before truncation | 800 characters max
  • Email: 90 characters max
  • Neighborhood Extension: 90 characters max
  • For Sale & Free: 45 characters max
  • Carousel: 240 characters max
  • Lead Gen: Body - 800 characters | Disclaimer 300 characters | Confirmation 225 characters
  • Click to Call: 170 characters 
Post Image (1)

Post image

Get people’s attention with an expressive image that complements your text and illustrates the value of your product or service. Choosing an image that includes real people or places will help your post fit in with other posts on Nextdoor. Avoid white backgrounds to ensure visibility of the offer text and CTA button.
  • Display: Large image: 1200 x 628 or  | Small image: 250 x 250 | <1 MB | JPEG or PNG
  • Video: 16:9 Ratio | 3-120 Seconds | 50 MB Max file size |1200 x 628 Thumbnail | MOV or MP4
  • Email: Small image: 250 x 250
  • Neighborhood Extension (Display): Large image: 1200 x 627 | Small image (optional): 627 x 627 | Logo: 100x100
  • Neighborhood Extension (Video): 16:9 Ratio | 3-120 Seconds | 1 GB Max File size | Back up Image 1200 x 627 | VAST or MP4
  • For Sale & Free: Desktop min size: 218 x 182px | Ratio: 1:1.19 | Mobile min size: 178 x 184 | Ratio: 1:0.96
  • Carousel: Max size: 464 x 464 px at 1:1 ratio | Min size: 232 x 232 px at 1:1 ratio
  • Lead Gen: Large image 1200 x 628 
  • Click to Call: 1200 x 627 
Offer Text (1)

Offer text

The offer text is designed to encourage people to take an action. You might summarize a special deal or preview what someone can get by clicking through. Only available on native display and video.

  • Display, Video, Lead Gen, Click to Call: 50 characters max | Sentence case
  • Carousel: 40 characters max
CTA-3 (1)


Use a one-word or two-word verb phrase that indicates the destination of the action. For example, a “Sign up” button should link to your signup page. Use standard English without abbreviations or slang.

  • Display, Video, Lead Gen, Click to Call, Email: 10 characters max
  • Neighborhood extension: 15 characters max
  • For Sale & Free: 13 characters max

CTA examples:ctas-1


Best practices

Image need to be clear and relevant to the neighborhood
  • Choosing a lifestyle image that includes real people or places will ensure your ad is relevant to a member's feed
  • Logos can be tastefully incorporated into the creative via part of the lifestyle image
  • Large logos added as an overlay will not be accepted.
  • Text overlay and taglines are discouraged. We recommend an image without text. Text overlays may not:
  • Take up more than ⅓ of the image
  • Be used to explain what the image is or how it relates to the body copy
  • Share promo details or a portion of a circular - this information should be included in the header and copy
  • No blurry images
  • Images should be real, not heavily photoshopped or made to look fake
  • Avoid white backgrounds which blend into the background of the Sponsored Posts