245 posts analyzed Updated Sep 2026
Averages 8 posts/day, top 25% activity. Most active Thursdays around 9 AM UTC. Mostly text posts (70%).
r/Calibre Traffic & Engagement r/Calibre Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/Calibre Most Active Times When r/Calibre Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/Calibre Flair Performance r/Calibre Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Support / How-To | 146 (59.8%) | 5 |
| General Discussion / Feedback | 78 (32.0%) | 26 |
| Bug | 20 (8.2%) | 5 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/Calibre Trending Keywords Trending Keywords in r/Calibre
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| calibre | 79 (32.2%) | 29 | 8 |
| kindle | 35 (14.3%) | 7 | 8 |
| books | 28 (11.4%) | 6 | 9 |
| epub | 19 (7.8%) | 9 | 4 |
| book | 16 (6.5%) | 5 | 6 |
| metadata | 14 (5.7%) | 4 | 8 |
| kobo | 14 (5.7%) | 3 | 4 |
| library | 13 (5.3%) | 6 | 5 |
| app | 12 (4.9%) | 11 | 9 |
| help | 12 (4.9%) | 3 | 8 |
r/Calibre Mentioned Domains Mentioned Domains in r/Calibre
Most linked sites Most linked sites in this subreddit
This community doesn't link off-site.
Its posts are text, images, or discussion rather than outbound links.
r/Calibre Top Posts Top Performing Posts in r/Calibre
Highest-performing posts Highest-performing posts. Each title links to Reddit.
20th Anniversary of Calibre!!!
Sharing a small side project: Calibre Zen - a modern interface revamp of Calibre for people who love it
You can now download Calibre Zen on Mac, Windows and Linux and try it out with your existing libraries and favorite plugins
Released a modern/sleek Calibre reader for iPhone & iPad
The Ultimate Guide for EPUB & Audiobooks Self-Hosting
Updated: FanFicFare cover tutorial
I built a reader for a 2012 iPad that can't reach the App Store anymore — now I'm writing the iOS 26 version
Translate your Ebooks - With Calibre Integration (free)
I want to remove DRM from this book I bought for MYSELF on Kindle. How can I do it?
Amazon covers now in .avif
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| 20th Anniversary of Calibre!!! | 617 | 30 | text | Sep 26 |
| Sharing a small side project: Calibre Zen - a modern interface revamp of Calibre for people who love it | 507 | 38 | image | Sep 16 |
| You can now download Calibre Zen on Mac, Windows and Linux and try it out with your existing libraries and favorite plugins | 181 | 17 | image | Sep 19 |
| Released a modern/sleek Calibre reader for iPhone & iPad | 119 | 45 | link | Sep 22 |
| The Ultimate Guide for EPUB & Audiobooks Self-Hosting | 101 | 31 | image | Sep 29 |
| Updated: FanFicFare cover tutorial | 98 | 7 | image | Sep 18 |
| I built a reader for a 2012 iPad that can't reach the App Store anymore — now I'm writing the iOS 26 version | 76 | 5 | image | Sep 7 |
| Translate your Ebooks - With Calibre Integration (free) | 64 | 58 | image | Sep 6 |
| I want to remove DRM from this book I bought for MYSELF on Kindle. How can I do it? | 51 | 20 | image | Sep 22 |
| Amazon covers now in .avif | 48 | 10 | text | Sep 13 |
r/Calibre Audience Overlap r/Calibre Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/Calibre FAQ Frequently Asked Questions About r/Calibre
What's the best time to post on r/Calibre?
Based on posting volume, r/Calibre is most active on Thursdays around 9 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/Calibre?
r/Calibre averages 8 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.
How many upvotes do posts on r/Calibre get?
Posts on r/Calibre average about 12 upvotes this month (net score per post).
What kind of posts does r/Calibre get most?
On r/Calibre, most posts are text posts (70%)