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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

KFX to EPUB: "no supported...

by DNSB

Yesterday 11:31 AM

5,828

35,519

Devices

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

Any possible update on 4.23...

by theducks

Today 11:57 AM

4,474

30,818

Editor

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

Html tranform

by JSWolf

10-28-2025 01:34 PM

1,862

15,045

Library Management

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

How to stop Autocorrect of an...

by JohnnyBook

Today 08:38 AM

10,452

70,639

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] FanFicFare

by balgor

Today 11:43 AM

933

72,409

Recipes

Post your calibre news download recipes, solutions and requests

WSJ recipe fails to find...

by unkn0wn

Yesterday 11:29 AM

3,982

19,870

Server

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

Can't connect to Calibre

by theducks

11-02-2025 03:47 PM

663

3,492

Viewer

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

Preparing book for first read

by LordP

Today 09:54 AM

586

4,032

Related Tools

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

Using GPT4All as a research...

by banner520521

Yesterday 07:41 AM

475

7,228

Development

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

Export Size

by kovidgoyal

11-01-2025 12:53 AM

1,055

7,910

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Threads in Forum : Calibre

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Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	11-01-2025 11:01 PM by dunhill	68	93,748
Sticky Dealing with Kindle ebooks in calibre ( 1 2 3 4 5 ... Last Page) odamizu (05-27-2024)	10-24-2025 08:48 PM by Sats	1,283	838,689
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	192,294
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	485,277
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 07:06 PM by DNSB	0	54,256
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 09:04 PM by kovidgoyal	0	155,966
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 05:05 PM by kovidgoyal	0	178,770

Added a custom column for theme Graham44 (Today)	Today 02:52 PM by Graham44	4	206
How to merge two libraries in Calibre? MonicaOP (11-01-2025)	Yesterday 05:19 AM by JSWolf	2	487
The program does not launch the interface. Frantishek (11-02-2025)	11-02-2025 07:28 AM by kovidgoyal	1	333
Calibre Default Conversion Options captainsensible (10-31-2025)	10-31-2025 05:18 PM by BetterRed	2	302
SQLError Message whenever I do anything. qprfan99 (03-21-2024)	10-30-2025 07:15 PM by _nut	13	2,115
Any real difference between using Calibre Portable and regular Calibre on a computer? ( 1 2) Rellwood (10-13-2025)	10-30-2025 10:23 AM by PeterT	16	3,003
question about audiobooks bulldogmo (10-29-2025)	10-30-2025 01:39 AM by bulldogmo	3	584
Embed Metada in PDF p0lrb3ar (10-28-2025)	10-29-2025 07:48 PM by p0lrb3ar	3	799
Issue Restoring Database from OPF p0lrb3ar (10-28-2025)	10-28-2025 08:32 PM by DNSB	2	481
Failed to Back Up Device Database enuddleyarbl (10-23-2025)	10-28-2025 04:18 PM by JSWolf	2	686
Apply cbz-style image processing to epub conversion? CavemanJoe (03-20-2025)	10-27-2025 12:36 PM by CavemanJoe	5	1,976
Need help to fix the unicode folder name problem linqison (10-24-2025)	10-25-2025 07:18 AM by Quoth	1	520
I need help Charliee1974 (10-24-2025)	10-24-2025 12:25 PM by kovidgoyal	1	477
Lost setting BetterRed (10-22-2025)	10-22-2025 11:49 PM by BetterRed	1	501
Full-text Query Syntax question ElMiko (10-20-2025)	10-20-2025 01:19 AM by ElMiko	3	534
Error code on starting calibre AlanWojnaroski (10-18-2025)	10-19-2025 12:04 PM by dunhill	3	889
Problems downloading Calibre v. 8.13.0 Leonatus (10-17-2025)	10-17-2025 10:29 AM by Leonatus	10	1,039
Migration to new computer pavelk (09-12-2025)	10-17-2025 04:27 AM by dewd	13	8,531
Calibre won't open my ebooks Perplexed1 (10-16-2025)	10-16-2025 04:01 AM by Perplexed1	0	625
AZW files turning into MOBI by DeDRM rdm315 (10-11-2025)	10-11-2025 06:28 PM by rdm315	3	1,169
Error cailbre 8.11.1 calibre-debug --gui Mint 22.2 ( 1 2) gbm (09-27-2025)	10-10-2025 08:54 PM by dunhill	16	5,085
Troubleshooting slow startup: Python errors bob.f (10-09-2025)	10-10-2025 07:01 PM by DNSB	8	1,403
Grouping files with the same name Giuseppe Chillem (10-09-2025)	10-09-2025 06:59 PM by BetterRed	3	930
KoboTouch driver extra CSS in calibre 8 JSWolf (10-03-2025)	10-06-2025 03:04 PM by npr	4	1,951
8.12 breaks from calibre.ebooks.oeb.parse_utils import RECOVER_PARSER ( 1 2) JSWolf (10-01-2025)	10-05-2025 05:51 AM by Terisa de morgan	25	4,687