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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

Converting EPUB to AZW3...

by theducks

08-22-2026 05:14 PM

5,891

36,064

Devices

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

DeDRM problem

by Sirtel

09-05-2026 10:10 PM

4,528

31,164

Editor

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

Italian spell checker issue...

by Gnappo

09-07-2026 04:19 PM

1,917

15,402

Library Management

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

Regex search & replace giving...

by kovidgoyal

Yesterday 11:37 PM

10,684

72,292

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] FanFicFare

by JimmXinu

Yesterday 01:36 PM

1,063

76,735

Recipes

Post your calibre news download recipes, solutions and requests

Economist failed after...

by zoltan.navy

09-05-2026 10:47 AM

4,041

20,213

Server

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

Beta test for new server...

by kovidgoyal

08-11-2026 01:30 PM

689

3,674

Viewer

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

Calibre always opens the PDF...

by shuvashish76

08-21-2026 12:37 AM

630

4,388

Related Tools

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

Calibre on a "blind"...

by DNSB

08-08-2026 06:34 PM

492

7,484

Development

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

calibre-debug...

by kovidgoyal

08-28-2026 10:46 AM

1,082

8,132

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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)	09-03-2026 01:19 AM by DNSB	1,795	1,764,537
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)	08-16-2026 07:44 PM by reise	256	736,459
Sticky calibre friday preview releases ( 1 2 3 4 5 ... Last Page) chaley (03-08-2024)	07-27-2026 01:35 PM by thiago.eec	409	502,372
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	287,578
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	108,019
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	211,784
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	234,653

Cover background color not working dunhill (09-06-2026)	09-06-2026 07:38 PM by dunhill	2	874
Calibre window not showing up spicyfood (09-06-2026)	09-06-2026 06:53 AM by JSWolf	2	853
PNG to JPG ( 1 2) ableal (03-21-2022)	09-05-2026 05:42 PM by JSWolf	16	7,734
New AI Cover Generator ( 1 2 3) JeffGeorge (09-01-2026)	09-05-2026 04:32 PM by dandaman	40	4,920
How to pevent Calibre automatically converting epub to kebub Ane (08-20-2026)	09-03-2026 02:26 PM by Dal Bhat	2	1,234
Poll How many books in your library? ( 1 2 3 4) Mr_H_Poirot (02-14-2026)	09-02-2026 03:15 PM by Fiat_Lux	55	74,338
Actual cover image not showing in Calibre. Shows blank white image instead GalacticHull (08-31-2026)	08-31-2026 09:26 PM by GalacticHull	1	642
Gameplay Jellby (08-30-2026)	08-31-2026 02:44 AM by un_pogaz	3	1,162
Two Suggestions Rellwood (08-28-2026)	08-29-2026 07:57 PM by Sirtel	9	2,028
Auto converting same format when adding. Why do this? Dal Bhat (08-28-2026)	08-28-2026 06:34 PM by Dal Bhat	3	940
Editing metadata of books (title, author) doesn't change metadata on device? supafastjelifish (08-04-2026)	08-26-2026 05:10 PM by DNSB	4	3,684
Download Metadata Error kazukasi (07-18-2026)	08-26-2026 01:17 PM by JSWolf	7	6,994
Book awards metadata plugin would be nice! ehead (08-06-2023)	08-26-2026 08:43 AM by taurins	1	1,386
Will there be an appimage? ihuger (08-02-2026)	08-25-2026 12:33 AM by gbm	2	3,291
raspberry pi 5 cron mrijnvis (08-18-2026)	08-21-2026 12:47 AM by mrijnvis	4	2,158
Updating portable version DaySleeper (08-18-2026)	08-20-2026 04:02 AM by DaySleeper	2	1,544
Cover page resiCover page resizing in metadata editinzing in metadata editing window. dunhill (08-08-2026)	08-16-2026 10:01 AM by JSWolf	7	4,717
Parsing errors Gaia Neos (08-11-2026)	08-15-2026 11:01 AM by thiago.eec	13	4,658
What is the best way to keep two Calibre libraries in sync? Loosheesh (08-07-2026)	08-10-2026 08:47 AM by Cactus Chef	10	7,907
Metadata reverted to its previous state. AnnieQuinn (08-10-2026)	08-10-2026 06:09 AM by Sirtel	6	2,631
Installation Error EHS1945 (08-07-2026)	08-09-2026 08:46 AM by kovidgoyal	7	5,282
Similar Books Plugin Quoth (08-01-2026)	08-09-2026 05:29 AM by un_pogaz	13	5,630
Linux install loses setup info drawson1 (08-08-2026)	08-08-2026 08:13 AM by drawson1	2	2,321
Parsing errors Gaia Neos (08-07-2026)	08-08-2026 06:02 AM by Gaia Neos	4	2,944
Re-merge files split by Calibre conversion? Siavahda (08-06-2026)	08-07-2026 12:08 PM by thiago.eec	13	3,866