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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 from Epub vs...

by meghane_e

Today 07:42 PM

5,834

35,580

Devices

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

Error sending to kobo

by Dan__

12-04-2025 06:28 PM

4,483

30,897

Editor

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

font-family: Palatino,...

by kovidgoyal

11-27-2025 12:33 AM

1,863

15,048

Library Management

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

Sharing menu in Author or in...

by kovidgoyal

Yesterday 11:10 PM

10,472

70,769

Plugins

Use plugins to extend the functionality of calibre

Looking for a plugin that...

by Pajamaman

Today 11:52 AM

938

72,632

Recipes

Post your calibre news download recipes, solutions and requests

The Economist Recipe Show...

by jwhittin

Today 09:36 AM

3,990

19,910

Server

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

Connecting calibredb to...

by Venia Legendi

11-14-2025 04:07 PM

664

3,495

Viewer

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

Preparing book for first read

by kovidgoyal

Yesterday 11:12 PM

587

4,076

Related Tools

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

Calibre Sync for Android &...

by pdurrant

Today 05:11 PM

476

7,234

Development

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

I want to use VSCODE for...

by wan1967

Yesterday 11:18 PM

1,061

7,923

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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 05:25 AM by bustacap	1,299	875,635
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	11-01-2025 11:01 PM by dunhill	68	100,506
Sticky calibre friday preview releases ( 1 2 3 4 5 ... Last Page) chaley (03-08-2024)	10-11-2025 03:02 AM by ownedbycats	352	199,287
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)	06-29-2025 09:05 PM by mifanathan	252	491,493
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 07:06 PM by DNSB	0	56,376
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 09:04 PM by kovidgoyal	0	158,162
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 05:05 PM by kovidgoyal	0	181,027

Updates that require a computer restart vs not required JohnnyBook (Today)	Today 08:17 PM by Comfy.n	2	43
Turn off/Block AI features ( 1 2) msr (Yesterday)	Today 08:16 PM by Quoth	16	2,966
Do builtin AI prompts need explict 'say I don't know' instruction? JimmXinu (Today)	Today 07:31 PM by Comfy.n	6	224
Calibre taking 30+ minutes to start with 20K book library ( 1 2 3 4) Luna (11-23-2025)	Today 12:18 PM by Luna	52	4,896
New AI feature: What book to read next Leonatus (Yesterday)	Today 11:11 AM by Leonatus	14	1,250
[Solved] Can't upgrade calibre shuvashish76 (Today)	Today 04:08 AM by shuvashish76	1	306
Calibre-AI with Ollama: TypeError:can only concatenate str (not "list") to str m.s (Yesterday)	Today 03:21 AM by m.s	2	461
Why Does SHUTDOWN Take So Long?! ( 1 2) gxn1 (12-03-2025)	Yesterday 09:52 PM by DNSB	18	1,763
attribute 'underlying_book_id dunhill (12-03-2025)	12-03-2025 12:34 PM by dunhill	2	580
Obok DeDRM doesn't work on some installs of Calibre for Linux tacosauce (11-23-2025)	12-02-2025 01:23 PM by Quoth	11	2,869
Calibre 3.48 & Kobo Libra Color Fortcon (12-01-2025)	12-01-2025 03:32 AM by DNSB	1	488
Bulk edit SVG ElMiko (11-30-2025)	11-30-2025 03:28 PM by BetterRed	3	1,127
Can't Launch Calibre Lewis_Mcc94 (11-06-2025)	11-29-2025 11:28 PM by BetterRed	6	1,899
Tag browser and Tags Rellwood (11-28-2025)	11-28-2025 04:30 PM by Rellwood	0	733
Calibre doesn't close immediately ( 1 2) JollyRoger (11-26-2025)	11-26-2025 07:15 PM by JollyRoger	18	1,368
Can't launch unless I do as administrator ( 1 2) adriane7 (11-21-2025)	11-24-2025 07:24 AM by JSWolf	21	1,990
Can't launch Calibre adriane7 (11-20-2025)	11-23-2025 03:43 PM by theducks	4	1,389
Ver 8.15 - Comments Change case menu has dissapeared BetterRed (11-22-2025)	11-22-2025 10:59 PM by kovidgoyal	1	586
Similar Books mezme (11-22-2025)	11-22-2025 04:41 PM by theducks	1	655
Cannot Access CBR or CBZ Files Because of File Being Used by Another Process ( 1 2 3) calibreian (06-20-2025)	11-20-2025 10:37 PM by Jaws	31	11,225
recovering a very large Calibre library after system crash ( 1 2) lucask (11-18-2025)	11-20-2025 02:59 PM by JSWolf	21	2,260
first collumn Koosr1946 (11-20-2025)	11-20-2025 11:27 AM by Koosr1946	2	585
Author Sort ( 1 2) JeffGeorge (11-17-2025)	11-19-2025 02:32 AM by Terisa de morgan	26	2,137
Question about the color (visibility) of the Author icon and the Tag icon AnnieQuinn (11-18-2025)	11-18-2025 10:18 PM by AnnieQuinn	2	507
Threading Violation Quoth (11-11-2025)	11-14-2025 06:56 AM by Quoth	6	1,356