Describe your product in one sentence and instantly discover the best subreddits to post in, with self-promo tolerance ratings, posting tips, and more.
We will find the right communities
MediaFast shows you exactly which subreddits, what time to post, and what content works. Stop guessing, start growing.
Find My SubredditsYour results will appear here
Discover Your Audience
Describe your product on the left and we will find the perfect subreddits to reach your target users.
Finds the most relevant subreddits based on your specific niche and product.
Know which subreddits welcome your content and which ones will ban you.
There are 100,000+ active subreddits. The difference between getting banned and getting 500 upvotes is choosing the right community.
Each subreddit has its own rules, culture, and tolerance for promotion. Finding the right ones for your specific product is the single most important step in Reddit marketing.
Most Reddit bans happen because marketers post promotional content in communities that do not allow it. Our self-promo tolerance ratings help you avoid this completely.
You do not need to be everywhere. Finding 5-10 high-relevance, promotion-tolerant subreddits gives you a focused, sustainable marketing channel that actually converts.
Focus first on subreddits that welcome product discussions. These are your safest entry points. Build karma and credibility here before branching out to stricter communities.
Every subreddit has different rules. Some allow self-promotion on specific days. Others ban it entirely. Knowing the rules is not optional. It is survival on Reddit.
Spend 1-2 weeks commenting helpfully in each subreddit before sharing your own content. Build a post history that shows you are a genuine member, not a drive-by marketer.
Everything you need to know about finding the right subreddits for your product.
Our AI analyzes your product description and matches it against thousands of active subreddits. It considers community size, topic relevance, self-promotion rules, and engagement patterns to recommend the best communities for your product.
Self-promo tolerance rates how welcoming each subreddit is to promotional content. High means the community is generally open to product mentions, Medium means you need to be careful and provide value first, and Low means direct promotion will likely get you banned.
Yes, completely free with no login required. You can use it as many times as you need to find the perfect subreddits for your product or service.
Subscriber counts are AI estimates based on training data. They give you a good sense of community size, but we recommend checking the actual subreddit on Reddit for the most current numbers.
Start with subreddits rated High for self-promo tolerance and high relevance scores. Before posting about your product, spend time engaging authentically with the community. Comment on other posts, provide value, and build karma before sharing your own content.
The best subreddits in 2026 depend on your niche. For entrepreneurs: r/Entrepreneur, r/startups, r/SaaS, r/SideProject, r/IndieDev, r/smallbusiness, r/EntrepreneurRideAlong, r/SmallBusinessUS. For marketers: r/marketing, r/SEO, r/PPC, r/GrowthHacking, r/content_marketing, r/digital_marketing, r/socialmedia. For builders: r/webdev, r/programming, r/learnprogramming. For ecommerce: r/ecommerce, r/shopify, r/FulfillmentByAmazon. Run the finder with your specific product description to surface the highest-relevance communities for you, not just the generic top subreddits.
The best subreddits to promote a SaaS or startup in 2026 are: r/SideProject (highest tolerance for self-promo), r/IndieBiz, r/SaaS, r/Entrepreneur (only with high karma), r/startups (with strict no-direct-promo rules), r/EntrepreneurRideAlong, r/AlphaandBetausers, r/RoastMyStartup, r/JustStart, r/IMadeThis, and niche subreddits where your target users actually hang out. Promotion-friendly subreddits like r/SideProject and r/IMadeThis are the easiest to start with. Always read the rules before posting.
The best Reddit communities for marketers in 2026 are r/marketing (general), r/digital_marketing, r/SEO, r/content_marketing, r/PPC (paid ads), r/GrowthHacking, r/socialmedia, r/copywriting, r/Affiliatemarketing, r/RedditForBusiness, and r/marketingautomation. For B2B marketers, r/SaaS, r/Entrepreneur, and r/CustomerSuccess add value. Marketers who lurk and contribute in these communities learn what real customers actually complain about, which beats any keyword tool for finding angles.
There are three ways to find the right subreddits: (1) Use a subreddit finder like this one - describe your product and get AI-matched communities with self-promo tolerance ratings. (2) Search Reddit directly with keywords related to your niche and sort by 'communities'. (3) Reverse-engineer competitors: search your competitor's name on Reddit and see which subreddits feature them. The first method is the fastest and surfaces niche subreddits you would never discover manually.
For Chicago specifically, r/chicago (the main city subreddit), r/chicagofood, r/AskChicago, r/chibears, r/chicagojobs, r/CHIcubs, and neighborhood-specific subreddits like r/loop and r/wickerpark are the most active. For other cities, search 'r/[cityname]' and look for related subreddits in the sidebar. Local city subreddits are gold for local SaaS, real estate, restaurants, and services because the audience is geo-qualified and competition is low. Always check posting rules before promoting.
The top subreddits by subscriber count in 2026 are r/funny, r/AskReddit, r/gaming, r/aww, r/Music, r/worldnews, r/todayilearned, r/Showerthoughts, r/movies, r/science, r/explainlikeimfive, r/books, r/Jokes, r/IAmA, and r/tifu. These are huge but extremely strict about self-promotion. For marketing purposes, the 'top subreddits' that matter are niche communities of 10k-500k subscribers where engagement is high and promo rules are lighter. Use the finder above to surface those.
MediaFast shows you exactly what to post, when to post, and where. Turn Reddit into your growth engine.
Get traffic to your tool from Reddit
Get recommended by AI tools through Reddit
