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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

KFX to EPUB: "no supported...

by DNSB

11-03-2025 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

Yesterday 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

Platonic relationship tags on...

by lumilemon

Today 08:20 AM

10,454

70,647

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] FanFicFare

by Clem2605

Today 06:06 AM

933

72,418

Recipes

Post your calibre news download recipes, solutions and requests

Project Syndicate recipe fails

by PeterT

Yesterday 07:23 PM

3,983

19,872

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 07:33 AM

586

4,039

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

11-03-2025 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	93,943
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	839,457
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	192,534
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	485,461
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 07:06 PM by DNSB	0	54,309
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 09:04 PM by kovidgoyal	0	156,023
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 05:05 PM by kovidgoyal	0	178,834

Added a custom column for theme Graham44 (Yesterday)	Yesterday 02:52 PM by Graham44	4	358
How to merge two libraries in Calibre? MonicaOP (11-01-2025)	11-03-2025 05:19 AM by JSWolf	2	504
The program does not launch the interface. Frantishek (11-02-2025)	11-02-2025 07:28 AM by kovidgoyal	1	347
Calibre Default Conversion Options captainsensible (10-31-2025)	10-31-2025 05:18 PM by BetterRed	2	310
SQLError Message whenever I do anything. qprfan99 (03-21-2024)	10-30-2025 07:15 PM by _nut	13	2,119
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	3,069
question about audiobooks bulldogmo (10-29-2025)	10-30-2025 01:39 AM by bulldogmo	3	613
Embed Metada in PDF p0lrb3ar (10-28-2025)	10-29-2025 07:48 PM by p0lrb3ar	3	818
Issue Restoring Database from OPF p0lrb3ar (10-28-2025)	10-28-2025 08:32 PM by DNSB	2	491
Failed to Back Up Device Database enuddleyarbl (10-23-2025)	10-28-2025 04:18 PM by JSWolf	2	706
Apply cbz-style image processing to epub conversion? CavemanJoe (03-20-2025)	10-27-2025 12:36 PM by CavemanJoe	5	1,988
Need help to fix the unicode folder name problem linqison (10-24-2025)	10-25-2025 07:18 AM by Quoth	1	528
I need help Charliee1974 (10-24-2025)	10-24-2025 12:25 PM by kovidgoyal	1	498
Lost setting BetterRed (10-22-2025)	10-22-2025 11:49 PM by BetterRed	1	517
Full-text Query Syntax question ElMiko (10-20-2025)	10-20-2025 01:19 AM by ElMiko	3	560
Error code on starting calibre AlanWojnaroski (10-18-2025)	10-19-2025 12:04 PM by dunhill	3	917
Problems downloading Calibre v. 8.13.0 Leonatus (10-17-2025)	10-17-2025 10:29 AM by Leonatus	10	1,079
Migration to new computer pavelk (09-12-2025)	10-17-2025 04:27 AM by dewd	13	8,587
Calibre won't open my ebooks Perplexed1 (10-16-2025)	10-16-2025 04:01 AM by Perplexed1	0	665
AZW files turning into MOBI by DeDRM rdm315 (10-11-2025)	10-11-2025 06:28 PM by rdm315	3	1,198
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	5,171
Troubleshooting slow startup: Python errors bob.f (10-09-2025)	10-10-2025 07:01 PM by DNSB	8	1,455
Grouping files with the same name Giuseppe Chillem (10-09-2025)	10-09-2025 06:59 PM by BetterRed	3	969
KoboTouch driver extra CSS in calibre 8 JSWolf (10-03-2025)	10-06-2025 03:04 PM by npr	4	1,995
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	4,792