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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

EPUB (14 MB) becomes AZW3...

by pdurrant

04-18-2026 02:46 PM

5,866

35,845

Devices

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

Calibre was communicating...

by kovidgoyal

04-16-2026 10:45 PM

4,508

31,021

Editor

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

Direct annotations through...

by Karellen

04-11-2026 02:19 AM

1,892

15,279

Library Management

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

Suddenly getting this error...

by Karellen

Today 01:10 AM

10,606

71,688

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] Book List Plus

by Comfy.n

Today 02:35 AM

989

74,664

Recipes

Post your calibre news download recipes, solutions and requests

The Hindu print edition...

by unkn0wn

04-15-2026 11:11 AM

4,024

20,068

Server

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

Can't Run Calibre on a backup...

by kovidgoyal

04-13-2026 10:51 PM

676

3,553

Viewer

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

Question about fonts options

by JSWolf

04-21-2026 03:04 PM

614

4,274

Related Tools

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

Calibre Sync for Android &...

by Incanus

Yesterday 09:35 AM

486

7,448

Development

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

calibre, ARM, win11

by kovidgoyal

Yesterday 10:27 PM

1,076

8,086

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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 06:18 AM by pdurrant	1,513	1,194,192
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	347,026
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	205,178
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 08:05 PM by mifanathan	252	607,673
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	86,554
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	189,191
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	212,202

Canot load an epub ZackMuc (Yesterday)	Yesterday 07:44 PM by ZackMuc	2	418
Android reading app skil-phil (04-18-2026)	Yesterday 02:34 PM by JSWolf	14	2,530
2-characters language code quinta@ebf.cz (02-06-2023)	04-21-2026 07:43 PM by JSWolf	9	2,328
Calibre web site issue Dan__ (04-18-2026)	04-18-2026 10:49 PM by Dan__	4	2,782
Windows SendTo: Specific Library ownedbycats (04-16-2026)	04-16-2026 08:59 AM by ownedbycats	2	802
Calibre not opening Library rodalex (04-16-2026)	04-16-2026 05:21 AM by BetterRed	1	656
Poll How many books in your library? ( 1 2 3 4) Mr_H_Poirot (02-14-2026)	04-15-2026 12:50 PM by astrangerhere	52	43,267
Learning how to use tag mapper Lavender (04-13-2026)	04-14-2026 01:10 PM by Lavender	5	3,079
Calibre not shutting down completely when clicking on "X" ( 1 2 3) toomuchreading (02-23-2026)	04-14-2026 10:20 AM by tomsem	39	30,357
Have search _only_ show matches? patrik (04-13-2026)	04-13-2026 02:43 PM by patrik	4	1,865
Welcome Wizard Doesn't list Pocketbook Verse VelvetElvis (04-10-2026)	04-11-2026 12:44 PM by VelvetElvis	12	5,526
Calibre stopped working fieldsjj (04-10-2026)	04-11-2026 07:40 AM by fieldsjj	4	3,362
Embed Metadata Problem igorius (04-11-2026)	04-11-2026 06:03 AM by igorius	0	2,306
Please add Spritz to Calibre dbassman (01-26-2015)	04-08-2026 05:42 PM by npapadacis	7	7,924
Visualizzatore e-book si apre a tutto schermo Gianky (04-07-2026)	04-07-2026 06:25 PM by BetterRed	3	1,801
Emblem - "New" Options / suggestions GuruKast (04-06-2026)	04-07-2026 12:48 AM by kovidgoyal	1	1,939
Problem converting to Linux. levr (04-05-2026)	04-06-2026 07:47 AM by aborel	2	2,051
Cannot open file or folder as it is in use xenduro (04-05-2026)	04-05-2026 04:41 AM by ShellShock	1	2,455
Calibre 9.6 - What's New Mistake BetterRed (03-27-2026)	04-01-2026 10:52 PM by kovidgoyal	6	4,197
title search question mytrivo (03-29-2026)	04-01-2026 06:00 AM by JSWolf	5	3,215
MacOS Stuck on Initializing User Interface afthvanderheijde (03-31-2026)	03-31-2026 10:48 AM by kovidgoyal	1	1,941
Windows Defender and temporary .pickle files ownedbycats (03-31-2026)	03-31-2026 09:48 AM by kovidgoyal	1	1,533
Calibre epub reading progress to 1% by default ( 1 2) ryder (03-28-2026)	03-29-2026 04:59 PM by ryder	17	6,250
Book cover no longer generated on import ice70 (03-28-2026)	03-29-2026 05:03 AM by ice70	5	4,972
Library file structure is by first name last name - can't change eastcoastelle (03-27-2026)	03-27-2026 07:51 PM by Sirtel	7	3,056