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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

Formatting Images

by DNSB

Yesterday 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

Kobo Libra Color File Names

by JSWolf

06-30-2026 04:25 PM

4,517

31,091

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

Today 02:42 AM

10,655

72,057

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] FanFicFare

by JimmXinu

Today 12:25 PM

1,027

75,919

Recipes

Post your calibre news download recipes, solutions and requests

Project Syndicate recipe fails

by davidsmartin

Yesterday 02:21 PM

4,035

20,121

Server

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

Adding custom action to...

by kovidgoyal

Today 12:34 AM

686

3,662

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

Today 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	1,467,426
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	671,223
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	417,822
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	252,096
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	99,745
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	203,331
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	226,023

Question for those who edit .CSS files ( 1 2 3) Mr_H_Poirot (Yesterday)	Today 01:39 PM by Sirtel	40	1,978
Discuss selected book not working bob.f (06-11-2026)	Yesterday 05:22 PM by Comfy.n	12	3,862
File size maddz (Yesterday)	Yesterday 03:37 PM by maddz	3	584
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	1,345
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	9,943
Some unexpected Calibre behavior GeorgeYellow (07-09-2026)	07-09-2026 10:07 PM by kovidgoyal	2	511
Compress images losslessly jlynton (04-21-2021)	07-09-2026 11:54 AM by kovidgoyal	12	6,511
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	1,624
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	1,524
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	10,415
User Interface Issues/Preferences Menu (Calibre 9.11.0) dunhill (07-04-2026)	07-05-2026 09:28 AM by dunhill	3	1,016
Help! Calibre launching but nothing showing up bonfire302 (07-03-2026)	07-03-2026 03:41 PM by bonfire302	2	887
How to export annotations (version 9.11) jm-85 (07-03-2026)	07-03-2026 10:27 AM by jm-85	6	688
a strange error ( 1 2) DragoLord19d (06-22-2026)	07-02-2026 02:36 AM by DragoLord19d	29	7,319
Best way to allow for remote access of my Calibre library? Magic815 (05-07-2022)	06-30-2026 07:19 PM by p0lrb3ar	11	9,945
Kindle Device Library Duplication in Calibre for 'on device' listings. Mandabar (06-30-2026)	06-30-2026 10:05 AM by jhowell	6	1,400
Metadata Bulk error Kerm (06-29-2026)	06-29-2026 02:53 PM by DNSB	2	804
Multiple Covers? Rellwood (06-29-2026)	06-29-2026 12:31 AM by Rellwood	0	737
Installation problem ( 1 2) DBK (06-26-2026)	06-28-2026 05:16 AM by JSWolf	18	3,655
Custom Column: Template Error Python Wiggo (06-27-2026)	06-28-2026 02:47 AM by Wiggo	4	1,365
Custom columns in metadata editor maddz (06-23-2026)	06-25-2026 05:59 PM by BetterRed	8	3,210
Tiny text on epubs after updating calibre lemonpie (06-25-2026)	06-25-2026 04:13 PM by lemonpie	13	1,094
Suggestion: Warn if Library on Network/Cloud Drive? ( 1 2) enuddleyarbl (06-23-2026)	06-25-2026 05:42 AM by Martinoptic	17	4,220
Fixed Layout Epub Reader ( 1 2) Mich06 (06-20-2026)	06-24-2026 05:42 PM by Mich06	18	5,087