Hacker ApprovedDepartments

Calibre-Web

Hacker Approved

Ranked 2 of 6 ebook managers by recommenders

Free self-hosted web app that gives a Calibre library a multiuser browser interface and syncs with Kobo e-readers.

Free self-hosted web app that gives a Calibre library a multiuser browser interface and syncs with Kobo e-readers.

19 people gave an opinion

recommend it
19
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 9 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 19 people recommend itNeeds 10 or more, met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 9 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Syncs with Kobo e-readers

    “masquerades as the Kobo Store and lets you use the built-in Kobo syncing mechanisms”

    Comment from 8 Dec 2025 in “Let's put Tailscale on a jailbroken Kindle”

    “Everything is through a web server, has usual control, and syncs with Kobo.”

    Comment from 7 Dec 2025 in “A fork of Calibre called Clbre, because the AI is stripped out”

    “you can point the Kobo store to your own instance of Calibre Web”

    Comment from 16 Dec 2025 in “Quill OS: An open-source OS for Kobo's eReaders”
  • Multiuser web interface for Calibre

    “There are tools like calibre-web that bring a calibre backend into a multiuser web application”

    Comment from 25 Aug 2026 in “Bookshelf – Self-hosted eBook library that runs on object storage”

    “a rewrite of the app, with a better web UI, that is faster and adds functionality”

    Comment from 29 Jul 2026 in “KOReader”

    “to replace Calibre's mediocre web interface”

    Comment from 8 Jun 2026 in “Ask HN: What are tools you have made for yourself since the advent of AI”
  • Calibre Web Automated preferred

    “I tried both Grimmory (current booklore) and Calibre Web Automated, and I prefer the latter.”

    Comment from 30 Jul 2026 in “KOReader”

    “Calibre web and calibre web automated downloader remove a fair bit of the clunk.”

    Comment from 23 May 2026 in “Kindle loyalists scramble as Amazon turns page on old e-readers”

    “I'm running a pretty sweet calibre-web automated setup”

    Comment from 1 Jan 2026 in “iOS allows alternative browser engines in Japan”
  • Works well, easy to set up

    “syncing with a home library (CalibreWeb) works well”

    Comment from 18 Apr 2026 in “Amazon is discontinuing Kindle for PC on June 30th”

    “these instructions worked for me”

    Comment from 29 Jul 2026 in “KOReader”

    “calibre web running behind a cloudflare tunnel”

    Comment from 24 May 2026 in “Kindle loyalists scramble as Amazon turns page on old e-readers”

Other ebook managers people recommend

The four most recommended other ebook managers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Calibre-Web compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Calibre1071588%1310 yrs4 ownersApproved
Calibre-WebThis page190100%9—Approved
Grimmory9190%4——
Kavita50100%7——
Send to Kindle5550%5——
See all 6 ebook managers, ranked

What people said

19 of the 24 comments that mention it, newest first. Each links to the original comment.

“There are tools like calibre-web that bring a calibre backend into a multiuser web application”

MixedComment from 25 Aug 2026 in “Bookshelf – Self-hosted eBook library that runs on object storage”

“I'm using Calibre Web and it syncs with Kobo just fine.”

RecommendsComment from 4 Aug 2026 in “Replacing the Kobo Libra H2O Battery”

“I tried both Grimmory (current booklore) and Calibre Web Automated, and I prefer the latter.”

RecommendsComment from 30 Jul 2026 in “KOReader”

“a rewrite of the app, with a better web UI, that is faster and adds functionality”

RecommendsComment from 29 Jul 2026 in “KOReader”

“these instructions worked for me”

RecommendsComment from 29 Jul 2026 in “KOReader”

“Yes, if you upgrade to Calibre-Web-Automated”

RecommendsComment from 22 Jul 2026 in “Freeink: Open Ecosystem for E-Readers”

“my kobo syncs to my calibre web server seamlessly”

RecommendsComment from 21 Jul 2026 in “Freeink: Open Ecosystem for E-Readers”

“to replace Calibre's mediocre web interface”

RecommendsComment from 8 Jun 2026 in “Ask HN: What are tools you have made for yourself since the advent of AI”

“calibre web running behind a cloudflare tunnel”

RecommendsComment from 24 May 2026 in “Kindle loyalists scramble as Amazon turns page on old e-readers”

“You can also sync to your own library - eg calibreweb.”

RecommendsComment from 23 May 2026 in “Kindle loyalists scramble as Amazon turns page on old e-readers”

“Calibre web and calibre web automated downloader remove a fair bit of the clunk.”

RecommendsComment from 23 May 2026 in “Kindle loyalists scramble as Amazon turns page on old e-readers”

“syncing with a home library (CalibreWeb) works well”

RecommendsComment from 18 Apr 2026 in “Amazon is discontinuing Kindle for PC on June 30th”

“I think Calibre, maybe combined with Calibre-web is what you're looking for”

RecommendsComment from 15 Apr 2026 in “WiiFin – Jellyfin Client for Nintendo Wii”

“I'm running a pretty sweet calibre-web automated setup”

RecommendsComment from 1 Jan 2026 in “iOS allows alternative browser engines in Japan”

“A quick config change to the store URL to point to Calibre Web, and some setup in Calibre Web and you're good to go.”

RecommendsComment from 16 Dec 2025 in “Quill OS: An open-source OS for Kobo's eReaders”

“in tandem with Calibre Web Automated”

RecommendsComment from 16 Dec 2025 in “Quill OS: An open-source OS for Kobo's eReaders”

“you can point the Kobo store to your own instance of Calibre Web”

RecommendsComment from 16 Dec 2025 in “Quill OS: An open-source OS for Kobo's eReaders”

“masquerades as the Kobo Store and lets you use the built-in Kobo syncing mechanisms”

RecommendsComment from 8 Dec 2025 in “Let's put Tailscale on a jailbroken Kindle”

“Everything is through a web server, has usual control, and syncs with Kobo.”

RecommendsComment from 7 Dec 2025 in “A fork of Calibre called Clbre, because the AI is stripped out”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.