Reddit is one of the most unique corners of the internet. It’s a social media platform where companies can convert conversations into advertising opportunities. Over 50 million people use Reddit every day with sub-forms for every interest and niche. Your target audience is engaged and active on Reddit.
What makes the platform attractive to advertisers is its high user intention rate. Reddit users are 22% more likely to be intentionally seeking content instead of passively scrolling on the platform.
There are five main types of Reddit ads: free-form ads, image ads, video ads, carousel ads, and conversation placements. This guide covers all the Reddit ad specs and sizing you need for 2025. Sign up to AdsPlanner.ai to create ads that convert across the 10 top advertising platforms.
Reddit is a platform you can’t afford to overlook when planning your digital marketing. The website’s research suggests that its users are almost 30% more likely to purchase a product they see advertised on Reddit than other social media platforms.
You can use Reddit to drive website traffic, boost sales, or establish your company as a thought leader.
There are five Reddit ads you should be using in 2025:
This type of ad is known as a ‘promoted post’ and appears like a native post, meaning it doesn’t disrupt a user’s scrolling experience. Product ads are currently in beta mode and not yet widely available.
Free-form is an ad type you’ll only find on Reddit. It gives you the creativity to combine GIFs, videos, images, and text. Create Reddit ads that align with your marketing strategy and audience to share thought leadership or promote the features of a new product.
You can add a concise ‘too long; didn’t read’ TLDR section to summarise key points for easy scrolling.
Image ads are one of the most popular on Reddit. They’re ideal for promoting products with a static image or graphic, with users able to upvote or comment on the ad. You can tailor image ads on Reddit by community, keyword, location, or device.
Video ads on Reddit autoplay on a user’s feed, making them ideal for ads designed for funnel stage marketing.
We recommend uploading videos directly to Reddit’s ad manager to ensure they autoplay and grab the user’s attention. Videos embedded from a third-party platform will not autoplay and instead require the user to click to play.
Reddit users can interact with the video by sharing, commenting, and upvoting to drive engagement. You can ensure an optimal viewing experience by following the Reddit video ad specs below.
75% of Reddit users access the platform through mobile devices. 60 seconds is the optimal duration for a Reddit video ad with a hook and clear branding helping to maximise your ROI.
Reddit’s carousel ads allow you to showcase multiple videos and images within one swipeable ad. You can use this extra real estate to incorporate your brand’s story and take your audience on a journey. Carousel ads give you everything you need to tailor your message to your target audience with additional options, including ‘Category Takeover’ to engage with niche audiences to curate meaningful engagement.
You can think of carousel ads as giving you the best of both worlds. Showcase multiple products within one ad, highlight product features, or present different offers to drive traffic to your website. You can add up to 10 images or cards as part of your carousel ad.
Reddit thrives on conversations, and you can be part of it with one of the platform’s ‘Conversation Placement’ ads. It’s a way for your brand to become part of the conversation or start a new one. This ad type is unique to Reddit and seamlessly integrated into the platform to drive high-quality engagement.
You can use the size and spec dimensions above as a guideline for your conversation placement ads, but there are a few specific limitations. Text-only ads are not supported for this format, and a video or image must be uploaded to give your ad a placeholder image.
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