r/Whatisthis↗
identify unknown objects
Welcome to r/whatisthis, a subreddit for identifying objects of unknown make, type, or origin. If you have something and you don't know what it is, submit it here to find out.
249k subscribers681 posts / mo in Sep 2026654 authors / mosince 2009
r/Whatisthis has 249k members (+5.7% over the last 12 months). It gets about 681 posts a month from 654 people. Top topics: Mystery Car Parts, Old Tools Identification and Kitchen Utensil Mysteries.
When to post on r/Whatisthis
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How r/Whatisthis has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Whatisthis
Top topics
Share of the subreddit's posts
- Mystery Car Parts0.7%
- Old Tools Identification0.5%
- Kitchen Utensil Mysteries0.4%
- Coin Identification Help0.3%
- Toy Identification Help0.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- eBay
- etsy
- Walmart
- WorthPoint
- The Home Depot
Everything else about r/Whatisthis
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research