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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

Could this be a new version...

by jhowell

03-31-2026 12:43 PM

5,862

35,815

Devices

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

without Kobo Account:...

by JSWolf

03-22-2026 11:54 AM

4,505

31,012

Editor

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

Image max-width imposed...

by DNSB

03-31-2026 06:48 PM

1,891

15,271

Library Management

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

Format Column Doesn't Sort

by ThatOneThere

Today 01:09 AM

10,586

71,522

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] Generate Cover

by regina3264

Today 12:00 AM

981

74,328

Recipes

Post your calibre news download recipes, solutions and requests

TIME magazine recipe doesn't...

by xkcklzn

Yesterday 02:37 AM

4,021

20,053

Server

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

Question about "Newly added"...

by PiperKev

04-01-2026 07:39 AM

675

3,551

Viewer

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

E-book viewer - error...

by memory_dump

03-24-2026 07:43 PM

609

4,237

Related Tools

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

I'm working on a new calibre...

by setherd

03-31-2026 04:06 PM

487

7,434

Development

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

Battling with jobs and...

by kiwidude

04-02-2026 06:18 AM

1,074

8,076

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Threads in Forum : Calibre

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Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky calibre friday preview releases ( 1 2 3 4 5 ... Last Page) chaley (03-08-2024)	Yesterday 11:19 PM by kovidgoyal	381	322,883
Sticky Dealing with Kindle ebooks in calibre ( 1 2 3 4 5 ... Last Page) odamizu (05-27-2024)	03-29-2026 09:23 AM by issybird	1,418	1,129,336
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	191,972
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	591,344
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	82,818
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	185,500
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	208,453

Poll How many books in your library? ( 1 2 3 4) Mr_H_Poirot (02-14-2026)	Today 01:42 AM by Amalthia	48	35,620
Calibre 9.6 - What's New Mistake BetterRed (03-27-2026)	04-01-2026 10:52 PM by kovidgoyal	6	2,076
Calibre not shutting down completely when clicking on "X" ( 1 2 3) toomuchreading (02-23-2026)	04-01-2026 02:13 PM by tomsem	37	21,432
title search question mytrivo (03-29-2026)	04-01-2026 06:00 AM by JSWolf	5	1,948
MacOS Stuck on Initializing User Interface afthvanderheijde (03-31-2026)	03-31-2026 10:48 AM by kovidgoyal	1	333
Windows Defender and temporary .pickle files ownedbycats (03-31-2026)	03-31-2026 09:48 AM by kovidgoyal	1	420
Calibre epub reading progress to 1% by default ( 1 2) ryder (03-28-2026)	03-29-2026 04:59 PM by ryder	17	3,838
Moved: Calibre conversion is not using my command ryder (03-29-2026)	-	-	-
Book cover no longer generated on import ice70 (03-28-2026)	03-29-2026 05:03 AM by ice70	5	2,883
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	1,699
Hello, I've found a really nice texture (an empty bookshelf) for the bookshelf view msel (03-27-2026)	03-27-2026 05:13 PM by msel	0	644
OPDS stopped working peaceridge (03-26-2026)	03-27-2026 03:25 PM by JSWolf	8	2,772
Do builtin AI prompts need explict 'say I don't know' instruction? ( 1 2) JimmXinu (12-06-2025)	03-24-2026 05:46 AM by kassandr	18	9,711
Calibre working AI Model? SASSBS (02-18-2026)	03-24-2026 05:12 AM by kassandr	9	7,207
ERROR: Failed: Restoring database failed (calibre, version 9.5.0) adamolive (03-20-2026)	03-23-2026 07:50 PM by DNSB	3	7,287
Alternative Book Height Calculation in Bookshelf View? GuruKast (03-21-2026)	03-21-2026 10:46 PM by kovidgoyal	3	11,921
Bulk CSS Edit? ( 1 2) HFM1101 (03-19-2026)	03-21-2026 12:58 PM by DNSB	21	11,743
Question about Linux app ( 1 2 3 4) Lavender (02-28-2026)	03-21-2026 08:10 AM by JSWolf	59	46,091
Change Save to Disk Preferences By Library Rbneader (03-20-2026)	03-20-2026 05:05 PM by BetterRed	1	4,342
new web ui for Calibre web content server bizhifei (03-19-2026)	03-20-2026 04:04 PM by thiago.eec	4	7,103
Calibre and macOS Tahoe Leandro Covas (03-17-2026)	03-19-2026 03:08 PM by Leandro Covas	7	8,260
epub version? bdub (03-18-2026)	03-18-2026 08:19 PM by thiago.eec	1	4,662
Multiple files under the same book apastuszak (03-17-2026)	03-18-2026 08:06 AM by JSWolf	3	5,893
Numerazione progressiva libri Gianky (03-17-2026)	03-17-2026 05:05 PM by Gianky	3	4,790
Searches for specific font Badas (03-12-2026)	03-17-2026 08:43 AM by Badas	5	8,707