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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

Creating mobi with *.prc

by kovidgoyal

Today 08:50 AM

5,880

35,964

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

Auto-correct layout?

by theducks

07-06-2026 11:49 AM

1,905

15,332

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 SteveG23

Today 09:14 AM

10,655

72,054

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] Best Sellers

by Comfy.n

Today 09:43 AM

1,027

75,897

Recipes

Post your calibre news download recipes, solutions and requests

you do not have permission to...

by JSWolf

Today 09:02 AM

4,034

20,120

Server

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

Beta test for new server...

by nephtys59

Today 09:04 AM

685

3,660

Viewer

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

Qt WebEngine Render process...

by kovidgoyal

Yesterday 10:09 PM

626

4,357

Related Tools

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

Web scrape to Calibre.

by neo1

06-23-2026 12:43 PM

491

7,474

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)	Today 07:56 AM by JSWolf	1,722	1,459,019
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	669,843
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	416,111
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	251,724
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	99,579
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	203,134
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	225,829

Any chance of developing a non-AI branch of Calibre? ( 1 2 3) meghane_e (06-12-2026)	Today 09:36 AM by DiapDealer	40	8,846
Some unexpected Calibre behavior GeorgeYellow (Yesterday)	Yesterday 10:07 PM by kovidgoyal	2	390
Is It Possible to Sort by Custom Metadata? rebeltaz (Yesterday)	Yesterday 08:55 PM by rebeltaz	0	311
Compress images losslessly jlynton (04-21-2021)	Yesterday 11:54 AM by kovidgoyal	12	6,449
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	1,595
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	1,491
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	10,384
User Interface Issues/Preferences Menu (Calibre 9.11.0) dunhill (07-04-2026)	07-05-2026 09:28 AM by dunhill	3	987
Help! Calibre launching but nothing showing up bonfire302 (07-03-2026)	07-03-2026 03:41 PM by bonfire302	2	865
How to export annotations (version 9.11) jm-85 (07-03-2026)	07-03-2026 10:27 AM by jm-85	6	666
a strange error ( 1 2) DragoLord19d (06-22-2026)	07-02-2026 02:36 AM by DragoLord19d	29	7,241
Best way to allow for remote access of my Calibre library? Magic815 (05-07-2022)	06-30-2026 07:19 PM by p0lrb3ar	11	9,908
Kindle Device Library Duplication in Calibre for 'on device' listings. Mandabar (06-30-2026)	06-30-2026 10:05 AM by jhowell	6	1,379
Metadata Bulk error Kerm (06-29-2026)	06-29-2026 02:53 PM by DNSB	2	785
Multiple Covers? Rellwood (06-29-2026)	06-29-2026 12:31 AM by Rellwood	0	689
Installation problem ( 1 2) DBK (06-26-2026)	06-28-2026 05:16 AM by JSWolf	18	3,557
Custom Column: Template Error Python Wiggo (06-27-2026)	06-28-2026 02:47 AM by Wiggo	4	1,316
Custom columns in metadata editor maddz (06-23-2026)	06-25-2026 05:59 PM by BetterRed	8	3,174
Tiny text on epubs after updating calibre lemonpie (06-25-2026)	06-25-2026 04:13 PM by lemonpie	13	1,064
Suggestion: Warn if Library on Network/Cloud Drive? ( 1 2) enuddleyarbl (06-23-2026)	06-25-2026 05:42 AM by Martinoptic	17	4,150
Fixed Layout Epub Reader ( 1 2) Mich06 (06-20-2026)	06-24-2026 05:42 PM by Mich06	18	5,021
Library selector on MacOS dunhill (06-22-2026)	06-22-2026 10:36 PM by theducks	2	1,312
Previous Button in Review Download Metata window p0lrb3ar (06-15-2026)	06-22-2026 03:26 PM by p0lrb3ar	2	1,896
Something's modifying my files and I can't work out what ( 1 2) Siavahda (06-17-2026)	06-22-2026 01:39 PM by theducks	28	5,504
Hardcover support Falafelteller (09-24-2024)	06-21-2026 10:52 AM by JSWolf	4	3,922