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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

Calibre error on 'Compress...

by PeterT

Yesterday 09:10 AM

5,883

35,976

Devices

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

Can't connect my Kobo Aura...

by DNSB

07-16-2026 05:29 PM

4,519

31,102

Editor

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

Quick simple way to remove...

by JSWolf

07-17-2026 06:57 PM

1,907

15,347

Library Management

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

Similar named books in Calibre

by kovidgoyal

Today 11:52 AM

10,660

72,111

Plugins

Use plugins to extend the functionality of calibre

[FileType Plugin] ACSM input...

by sourcecodemage

Today 10:56 AM

1,030

75,993

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.

How to remove "Continue...

by fritskop

07-14-2026 10:21 AM

687

3,665

Viewer

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

Qt WebEngine Render process...

by Martinoptic

07-16-2026 03:05 PM

627

4,370

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

07-12-2026 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)	Yesterday 05:16 AM by texasnightowl	1,726	1,489,611
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	674,912
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	422,131
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	253,352
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	100,188
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	203,854
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	226,528

Question for those who edit .CSS files ( 1 2 3 4 5) Mr_H_Poirot (07-11-2026)	Today 08:43 AM by Mr_H_Poirot	74	7,685
Download Metadata Error kazukasi (Yesterday)	Today 05:39 AM by JSWolf	2	608
Calibre crashing CountZero85 (07-16-2026)	Yesterday 07:34 AM by Quoth	8	1,781
calibre and Apple Silicone under MacOS 28 JSWolf (07-15-2026)	07-15-2026 11:52 AM by JSWolf	2	572
Discuss selected book not working bob.f (06-11-2026)	07-11-2026 05:22 PM by Comfy.n	12	4,162
File size maddz (07-11-2026)	07-11-2026 03:37 PM by maddz	3	769
Is It Possible to Sort by Custom Metadata? rebeltaz (07-09-2026)	07-10-2026 08:23 PM by rebeltaz	4	1,678
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	10,775
Some unexpected Calibre behavior GeorgeYellow (07-09-2026)	07-09-2026 10:07 PM by kovidgoyal	2	864
Compress images losslessly jlynton (04-21-2021)	07-09-2026 11:54 AM by kovidgoyal	12	6,717
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	1,831
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	1,715
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	10,644
User Interface Issues/Preferences Menu (Calibre 9.11.0) dunhill (07-04-2026)	07-05-2026 09:28 AM by dunhill	3	1,200
Help! Calibre launching but nothing showing up bonfire302 (07-03-2026)	07-03-2026 03:41 PM by bonfire302	2	1,054
How to export annotations (version 9.11) jm-85 (07-03-2026)	07-03-2026 10:27 AM by jm-85	6	871
a strange error ( 1 2) DragoLord19d (06-22-2026)	07-02-2026 02:36 AM by DragoLord19d	29	8,056
Best way to allow for remote access of my Calibre library? Magic815 (05-07-2022)	06-30-2026 07:19 PM by p0lrb3ar	11	10,249
Kindle Device Library Duplication in Calibre for 'on device' listings. Mandabar (06-30-2026)	06-30-2026 10:05 AM by jhowell	6	1,633
Metadata Bulk error Kerm (06-29-2026)	06-29-2026 02:53 PM by DNSB	2	981
Multiple Covers? Rellwood (06-29-2026)	06-29-2026 12:31 AM by Rellwood	0	985
Installation problem ( 1 2) DBK (06-26-2026)	06-28-2026 05:16 AM by JSWolf	18	4,315
Custom Column: Template Error Python Wiggo (06-27-2026)	06-28-2026 02:47 AM by Wiggo	4	1,780
Custom columns in metadata editor maddz (06-23-2026)	06-25-2026 05:59 PM by BetterRed	8	3,559
Tiny text on epubs after updating calibre lemonpie (06-25-2026)	06-25-2026 04:13 PM by lemonpie	13	1,354