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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

Formatting Images

by DNSB

07-11-2026 08:44 PM

5,882

35,971

Devices

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

Calilbre will not start after...

by kovidgoyal

Yesterday 01:28 PM

4,518

31,093

Editor

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

Some images have a yellow...

by BuiltWorldPhoto

07-10-2026 08:00 PM

1,906

15,333

Library Management

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

Merging different versions of...

by sgmoore

Yesterday 02:42 AM

10,655

72,057

Plugins

Use plugins to extend the functionality of calibre

Plugin ideas... add yours here

by albort11

Today 08:33 AM

1,028

75,923

Recipes

Post your calibre news download recipes, solutions and requests

Project Syndicate recipe fails

by davidsmartin

07-11-2026 02:21 PM

4,035

20,121

Server

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

Access from the internet

by kovidgoyal

Yesterday 11:04 PM

686

3,664

Viewer

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

Qt WebEngine Render process...

by DiapDealer

07-10-2026 01:14 PM

627

4,362

Related Tools

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

Android app similar to Kuboo...

by binarymeadow

Yesterday 05:48 AM

491

7,475

Development

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

Plugin index - entry not...

by kovidgoyal

07-03-2026 01:03 PM

1,079

8,114

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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)	07-10-2026 07:56 AM by JSWolf	1,722	1,471,009
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)	06-15-2026 08:16 AM by rantanplan	255	671,899
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	418,587
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	252,329
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	99,816
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	203,403
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	226,099

Question for those who edit .CSS files ( 1 2 3 4) Mr_H_Poirot (07-11-2026)	Today 07:23 AM by JSWolf	48	3,126
Discuss selected book not working bob.f (06-11-2026)	07-11-2026 05:22 PM by Comfy.n	12	3,905
File size maddz (07-11-2026)	07-11-2026 03:37 PM by maddz	3	611
Moved: I'm back from open heart surgery and.... frangelica (07-10-2026)	-	-	-
Is It Possible to Sort by Custom Metadata? rebeltaz (07-09-2026)	07-10-2026 08:23 PM by rebeltaz	4	1,379
Any chance of developing a non-AI branch of Calibre? ( 1 2 3) meghane_e (06-12-2026)	07-10-2026 03:48 PM by DiapDealer	43	10,182
Some unexpected Calibre behavior GeorgeYellow (07-09-2026)	07-09-2026 10:07 PM by kovidgoyal	2	569
Compress images losslessly jlynton (04-21-2021)	07-09-2026 11:54 AM by kovidgoyal	12	6,518
Introducing CB&R (Calibre Browse & Read) An E-Ink & Touch-Optimized Calibre-Web Fork karlfranz (07-06-2026)	07-06-2026 09:02 PM by DNSB	4	1,632
UI to allow for plugin to add multiple buttons to the main toolbar whiteowl (07-05-2026)	07-06-2026 04:25 PM by Terisa de morgan	8	1,535
E-book Editor and tabs eating up all the space ( 1 2) Rushdie1234 (06-26-2025)	07-05-2026 06:58 PM by slimcat	18	10,432
User Interface Issues/Preferences Menu (Calibre 9.11.0) dunhill (07-04-2026)	07-05-2026 09:28 AM by dunhill	3	1,025
Help! Calibre launching but nothing showing up bonfire302 (07-03-2026)	07-03-2026 03:41 PM by bonfire302	2	897
How to export annotations (version 9.11) jm-85 (07-03-2026)	07-03-2026 10:27 AM by jm-85	6	700
a strange error ( 1 2) DragoLord19d (06-22-2026)	07-02-2026 02:36 AM by DragoLord19d	29	7,562
Best way to allow for remote access of my Calibre library? Magic815 (05-07-2022)	06-30-2026 07:19 PM by p0lrb3ar	11	10,018
Kindle Device Library Duplication in Calibre for 'on device' listings. Mandabar (06-30-2026)	06-30-2026 10:05 AM by jhowell	6	1,411
Metadata Bulk error Kerm (06-29-2026)	06-29-2026 02:53 PM by DNSB	2	812
Multiple Covers? Rellwood (06-29-2026)	06-29-2026 12:31 AM by Rellwood	0	827
Installation problem ( 1 2) DBK (06-26-2026)	06-28-2026 05:16 AM by JSWolf	18	3,899
Custom Column: Template Error Python Wiggo (06-27-2026)	06-28-2026 02:47 AM by Wiggo	4	1,600
Custom columns in metadata editor maddz (06-23-2026)	06-25-2026 05:59 PM by BetterRed	8	3,316
Tiny text on epubs after updating calibre lemonpie (06-25-2026)	06-25-2026 04:13 PM by lemonpie	13	1,117
Suggestion: Warn if Library on Network/Cloud Drive? ( 1 2) enuddleyarbl (06-23-2026)	06-25-2026 05:42 AM by Martinoptic	17	4,472
Fixed Layout Epub Reader ( 1 2) Mich06 (06-20-2026)	06-24-2026 05:42 PM by Mich06	18	5,320