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Calibre

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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

PLEASE HELP -- cannot convert...

by Sirtel

Today 05:16 PM

5,870

35,886

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 DNSB

05-14-2026 10:55 PM

4,514

31,055

Editor

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

error message - text search

by Marroux

05-14-2026 01:00 PM

1,898

15,306

Library Management

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

Unable to download metadata...

by ownedbycats

Today 01:27 PM

10,626

71,822

Plugins

Use plugins to extend the functionality of calibre

[Conversion Plugin] KFX Input

by topher18

Today 05:29 PM

1,000

75,176

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

Help! Calibre is opening...

by theducks

Yesterday 01:40 PM

618

4,287

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

05-11-2026 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 05:24 PM by Lief	1,575	1,289,610
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	644,402
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	387,935
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	238,601
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	95,624
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	198,633
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	221,418

Proof of Concept: Calibre to organize non-books ownedbycats (Today)	Today 04:11 PM by ownedbycats	2	194
Error Communicating with Device-Android Phone and Tablet akailiajade (Yesterday)	Today 09:02 AM by Quoth	2	1,060
Corrupt database maddz (05-16-2026)	Yesterday 05:33 PM by theducks	11	3,089
Cant see pages number in book details panel on my kobo anymore Cyril Gabard (Yesterday)	Yesterday 04:03 PM by JSWolf	10	1,559
Calibre Worker Process - I found one reason why JSWolf (05-15-2026)	05-15-2026 11:26 PM by kovidgoyal	4	1,565
Error: Connection is busy in another thread Metapath (05-09-2026)	05-15-2026 03:03 PM by DNSB	13	5,017
Calibre .desktop File in Linux? enuddleyarbl (05-15-2026)	05-15-2026 12:16 PM by kovidgoyal	1	761
Edit Metadata: Key shortcut to generate title_sort ownedbycats (05-14-2026)	05-14-2026 10:59 PM by theducks	2	675
Update title phossler (05-12-2026)	05-13-2026 09:53 AM by fogice	2	928
Full-text search: Find books with no searchable text ownedbycats (05-12-2026)	05-12-2026 11:33 PM by ownedbycats	2	675
slow startup of calibre on macos 15.7.5 ( 1 2) jordi (04-25-2026)	05-12-2026 01:32 PM by jordi	23	5,226
Moving from WinOS to MacOS ptomic (05-08-2026)	05-11-2026 03:07 PM by ptomic	5	1,728
Mirroring a calibre library ( 1 2) maddz (05-03-2026)	05-11-2026 02:54 PM by DNSB	19	4,504
Force Calibre to Stop Job ( 1 2) Sir Loyne (05-03-2026)	05-10-2026 10:52 AM by Sir Loyne	16	3,448
Strange behavior when removing a plugin dunhill (05-09-2026)	05-09-2026 07:06 PM by dunhill	4	1,191
Weird font issue in calibre maddz (05-09-2026)	05-09-2026 11:53 AM by maddz	2	860
Puzzling issue with font in a newly added book Dal Bhat (05-08-2026)	05-08-2026 10:39 PM by Sirtel	3	1,475
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	2,075
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	42,571
I made an icon theme, this is BuufCalibre Hammurabi (12-19-2025)	05-06-2026 11:34 PM by moonsugar	4	14,957
Calibre Flatpak Doesn't Work on Bazzite (Fedora?) 44 enuddleyarbl (05-04-2026)	05-05-2026 12:05 PM by PeterT	10	1,851
Hierachial tags question ownedbycats (05-03-2026)	05-04-2026 07:11 AM by un_pogaz	1	997
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	1,273
Cover grid scrolling becomes laggy when scrolling quickly in large libraries ddpnc (05-02-2026)	05-03-2026 10:41 AM by theducks	3	1,597
Calibre and Tahoe Dark Mode icon? institute (02-07-2026)	05-01-2026 05:28 PM by institute	10	9,818