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Sub-Forums : Calibre

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Conversion

Learn about calibre's conversion features and find help when conversion goes wrong

Converting FB2->EPUB, TOC is...

by whiteowl

Today 09:12 AM

5,870

35,876

Devices

Troubleshoot connection issues specific to your device, and learn how to make the most of calibre's device integration features

Kobo Libra 2: PDF metadata is...

by Phssthpok

05-06-2026 03:02 PM

4,513

31,049

Editor

Learn about calibre's Edit Book feature, capable of directly editing ePub and AZW3 formats and find help when problems with editing arise

Bug in Remove unused images

by Terisa de morgan

05-09-2026 04:41 AM

1,897

15,302

Library Management

All about viewing, adding, and exporting books; managing metadata; using templates; creating catalogs and understanding the calibre directory structure

Collapse Library Categories...

by Sirtel

Today 01:16 AM

10,623

71,797

Plugins

Use plugins to extend the functionality of calibre

[Metadata Source Plugin]...

by Hanselix

Today 02:13 PM

995

75,056

Recipes

Post your calibre news download recipes, solutions and requests

Go Comics recipe not working...

by vinieux

05-07-2026 06:34 AM

4,026

20,078

Server

This is the place for all your questions about the calibre server feature.

Offline Mode is GREAT

by kovidgoyal

05-07-2026 12:47 PM

677

3,555

Viewer

This is the place for all your questions about the calibre Viewer

Eviewer not working

by Idahosnowdragon

04-29-2026 03:01 AM

615

4,277

Related Tools

Third party applications that integrate, or are used in conjunction, with calibre; servers, cloud, network, backup and others

Calibre View - iphone/ipad app

by wildfire070

Yesterday 11:16 AM

490

7,468

Development

All about hacking on calibre. Discuss calibre's internal structures and API

calibre, ARM, win11

by jmurphy

04-23-2026 10:14 PM

1,076

8,093

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Threads in Forum : Calibre

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Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky Dealing with Kindle ebooks in calibre ( 1 2 3 4 5 ... Last Page) odamizu (05-27-2024)	Today 01:14 PM by daddyjones	1,561	1,253,631
Sticky [Custom Covers] Blanks, Templates - get them, share them, help to modify and create ( 1 2 3 4 5 ... Last Page) MiniMouse (09-08-2013)	05-08-2026 11:20 AM by JSWolf	253	628,074
Sticky calibre friday preview releases ( 1 2 3 4 5 ... Last Page) chaley (03-08-2024)	04-03-2026 11:19 PM by kovidgoyal	381	369,867
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	224,122
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	91,109
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	193,918
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	217,751

slow startup of calibre on macos 15.7.5 ( 1 2) jordi (04-25-2026)	Today 01:32 PM by jordi	23	4,396
Update title phossler (Today)	Today 09:49 AM by Sirtel	1	210
Error: Connection is busy in another thread Metapath (05-09-2026)	Yesterday 03:18 PM by theducks	5	1,683
Moving from WinOS to MacOS ptomic (05-08-2026)	Yesterday 03:07 PM by ptomic	5	1,058
Mirroring a calibre library ( 1 2) maddz (05-03-2026)	Yesterday 02:54 PM by DNSB	19	3,309
Force Calibre to Stop Job ( 1 2) Sir Loyne (05-03-2026)	05-10-2026 10:52 AM by Sir Loyne	16	2,739
Strange behavior when removing a plugin dunhill (05-09-2026)	05-09-2026 07:06 PM by dunhill	4	849
Weird font issue in calibre maddz (05-09-2026)	05-09-2026 11:53 AM by maddz	2	488
Puzzling issue with font in a newly added book Dal Bhat (05-08-2026)	05-08-2026 10:39 PM by Sirtel	3	1,070
ERROR: ePug Calibre wont open, some string of text or code is giving Calibre problems JohnnyBook (05-07-2026)	05-08-2026 01:37 PM by JSWolf	6	1,360
Calibre not shutting down completely when clicking on "X" ( 1 2 3) toomuchreading (02-23-2026)	05-07-2026 05:52 AM by JSWolf	40	38,763
I made an icon theme, this is BuufCalibre Hammurabi (12-19-2025)	05-06-2026 11:34 PM by moonsugar	4	14,163
Calibre Flatpak Doesn't Work on Bazzite (Fedora?) 44 enuddleyarbl (05-04-2026)	05-05-2026 12:05 PM by PeterT	10	1,500
Hierachial tags question ownedbycats (05-03-2026)	05-04-2026 07:11 AM by un_pogaz	1	747
Can I add a book into the middle of the current library? KhonKaen (05-03-2026)	05-03-2026 03:18 PM by theducks	4	1,015
Cover grid scrolling becomes laggy when scrolling quickly in large libraries ddpnc (05-02-2026)	05-03-2026 10:41 AM by theducks	3	1,296
Calibre and Tahoe Dark Mode icon? institute (02-07-2026)	05-01-2026 05:28 PM by institute	10	9,508
Feature request for Calibre - close Calibre after active jobs complete ( 1 2) arcadesdude (04-26-2026)	05-01-2026 12:15 PM by arcadesdude	16	5,354
ipc_result_1_1_97qof0rw.pickle (Windows 11 would like me to submit it for review) GalacticHull (04-28-2026)	05-01-2026 12:19 AM by ownedbycats	4	1,550
Desktop Kobo MacOS app bkantique (04-25-2026)	04-26-2026 05:43 PM by JSWolf	4	1,610
Android reading app ( 1 2) skil-phil (04-18-2026)	04-24-2026 04:15 AM by rowe	19	4,835
Canot load an epub ZackMuc (04-22-2026)	04-22-2026 07:44 PM by ZackMuc	2	1,624
2-characters language code quinta@ebf.cz (02-06-2023)	04-21-2026 07:43 PM by JSWolf	9	3,356
Calibre web site issue Dan__ (04-18-2026)	04-18-2026 10:49 PM by Dan__	4	3,460
Windows SendTo: Specific Library ownedbycats (04-16-2026)	04-16-2026 08:59 AM by ownedbycats	2	1,310