About r/tumblr
In its own words:
r/CuratedTumblr but bigger and with worse moderation
Community guide
r/tumblr (#731, about 1.4 million subscribers) is oriented around: r/CuratedTumblr but bigger and with worse moderation Recent activity samples show 5.1 posts/day in recent samples (~72% image, ~26% text, ~3% gallery). Public rules we collected include: Be kind; All NSFW content must be labeled as such.; Don't question the veracity of stories.; No punchline in the post title, but the title must describe the content.; You may not link directly to tumblr..
What belongs here
Stay inside the room’s stated scope rather than adjacent off-topic dumps. Civility/anti-harassment rules apply; personal attacks get removed. Match posts to: Be kind; All NSFW content must be labeled as such.; Don't question the veracity of stories.; No punchline in the post title, but the title must describe the content.. Recent samples are image-heavy; titles should explain why the media belongs here.
How it differs from lookalikes
Prefer this room when your post matches its description and rules—not merely a larger sibling community. The public rule list is long enough that skimming all entries once beats assuming defaults from similar subs.
Practical pointers
Read the live sidebar/rules before posting; collected snapshots can lag. Common flairs in samples include: Question, I like Taylor Swift (you can edit this), Feminism, D&D.
SubMouse Editorial
The community was created on Sep 18, 2009, which makes it 17 years old. Since Oct 26, 2026, it has gained 202 subscribers (+0.01%). It sits just behind r/burgers (#730) and ahead of r/freefolk (#732) in our ranking.
What sets r/tumblr apart
Compared with other large communities, r/tumblr leans heavily on images (72% of recent posts; the typical Top 100 subreddit sits at 21%).
Subscriber growth
Between Sep 19, 2026 and Nov 2, 2026, r/tumblr went up from 1,446,840 to 1,447,988 subscribers (+1.1K, +0.08%). That is about 26 new members per day. The chart uses our weekly snapshots (9 so far), so it gets longer every week.
What r/tumblr talks about
Across 39 recent posts (Oct 29–Nov 3), the words that come up most are “lost”, “fan”, “fiction”, “links” and “fics”. Other frequent themes are fic, search, tags, blog, blocked and drafts. Recurring phrases include “fan fiction”, “blog loveinmosaic”, “blocked three” and “bbc sherlock”. By format, 72% are images, 26% are text posts and 3% are galleries.
Popular post flairs: Question (1), I like Taylor Swift (you can edit this) (1), Feminism (1), D&D (1), Shitpost (1).
Activity and best time to post
r/tumblr gets about 5.1 new posts a day. The public archive holds 334,300 posts and 8,377,307 comments in total, about 25.1 comments per post. Last week the busiest day was Thursday (9 posts) and the quietest was Tuesday (1). Posting peaks around 04:00 UTC and is lowest around 10:00 UTC.
Rules of r/tumblr
The moderators of r/tumblr list 10 rules. In short:
- Be kind
- All NSFW content must be labeled as such.
- Don't question the veracity of stories.
- No punchline in the post title, but the title must describe the content.
- You may not link directly to tumblr.
- No call-out posts, witch hunting, or overly political posts
- Tumblr part of the image must add something.
- No meta content
- No self promotion
- Follow tumblr and reddit website guidelines
How to join
Open reddit.com/r/tumblr and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How many members does r/tumblr have?
r/tumblr has 1,447,988 subscribers (Nov 2, 2026), which makes it the #731 safe-for-work subreddit in the SubMouse ranking. It added 1,148 members between Sep 19, 2026 and Nov 2, 2026.
When was r/tumblr created?
r/tumblr was created on Sep 18, 2009, so it has been around for 17 years. The oldest post in the public archive is from Nov 19, 2009.
Is r/tumblr still active?
Yes. r/tumblr gets about 5.1 new posts a day (average of the last four weeks). Over its lifetime the archive counts 334,300 posts and 8,377,307 comments.
What is the best time to post in r/tumblr?
Based on post counts from Oct 29, 2026 to Nov 4, 2026, the busiest day was Thursday and the quietest Tuesday, and most posts arrive around 04:00 UTC, with the fewest around 10:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What kind of posts are on r/tumblr?
The community describes itself as: “r/CuratedTumblr but bigger and with worse moderation” Recent post titles often mention lost, fan, fiction, links and fics. Most posts are images (72%).
Is r/tumblr SFW?
Yes. Reddit does not mark r/tumblr as an 18+ (NSFW) community, and its own rules forbid NSFW content. SubMouse lists safe-for-work subreddits only.
What are the rules of r/tumblr?
Join the community on Reddit first, then use “Create post”. r/tumblr accepts link and media posts (no plain text posts), with images and galleries enabled. It has 10 posted rules, starting with: “Be kind”; “All NSFW content must be labeled as such.”; “Don't question the veracity of stories.”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
What subreddits are similar to r/tumblr?
Communities with similar topics include r/Perfectfit (3.2M), r/Wellthatsucks (4.6M), r/scifi (4.5M), r/CasualUK (2.8M) and r/indiasocial (1.8M).
Stats from public data (data updated Nov 2, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/tumblr.