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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

Some epubs were delivered to...

by JSWolf

Yesterday 06:08 AM

5,892

36,074

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

[CLI] Adding all EPUBs from...

by Sirtel

Today 06:10 AM

10,686

72,317

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] epubveri library

by Kayadelenium

Today 07:08 AM

1,063

76,771

Recipes

Post your calibre news download recipes, solutions and requests

Economist failed after...

by econofan

Yesterday 02:30 PM

4,042

20,218

Server

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

Access from the internet

by kovidgoyal

09-09-2026 11:30 PM

689

3,676

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

Web scrape to Calibre.

by neo1

Yesterday 12:15 PM

492

7,485

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)	Yesterday 05:57 AM by lkmiller	1,800	1,788,051
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	744,447
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	511,127
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	292,139
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	109,044
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	212,765
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	235,699

Replacing file on device maddz (Yesterday)	Yesterday 09:28 PM by theducks	5	700
Cover background color not working dunhill (09-06-2026)	09-06-2026 07:38 PM by dunhill	2	1,010
Calibre window not showing up spicyfood (09-06-2026)	09-06-2026 06:53 AM by JSWolf	2	1,025
PNG to JPG ( 1 2) ableal (03-21-2022)	09-05-2026 05:42 PM by JSWolf	16	7,950
New AI Cover Generator ( 1 2 3) JeffGeorge (09-01-2026)	09-05-2026 04:32 PM by dandaman	40	5,314
How to pevent Calibre automatically converting epub to kebub Ane (08-20-2026)	09-03-2026 02:26 PM by Dal Bhat	2	1,358
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	76,248
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	753
Gameplay Jellby (08-30-2026)	08-31-2026 02:44 AM by un_pogaz	3	1,280
Two Suggestions Rellwood (08-28-2026)	08-29-2026 07:57 PM by Sirtel	9	2,142
Auto converting same format when adding. Why do this? Dal Bhat (08-28-2026)	08-28-2026 06:34 PM by Dal Bhat	3	1,058
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	4,617
Download Metadata Error kazukasi (07-18-2026)	08-26-2026 01:17 PM by JSWolf	7	7,897
Book awards metadata plugin would be nice! ehead (08-06-2023)	08-26-2026 08:43 AM by taurins	1	1,490
Will there be an appimage? ihuger (08-02-2026)	08-25-2026 12:33 AM by gbm	2	4,197
raspberry pi 5 cron mrijnvis (08-18-2026)	08-21-2026 12:47 AM by mrijnvis	4	2,267
Updating portable version DaySleeper (08-18-2026)	08-20-2026 04:02 AM by DaySleeper	2	1,646
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	5,541
Parsing errors Gaia Neos (08-11-2026)	08-15-2026 11:01 AM by thiago.eec	13	4,775
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	8,960
Metadata reverted to its previous state. AnnieQuinn (08-10-2026)	08-10-2026 06:09 AM by Sirtel	6	3,684
Installation Error EHS1945 (08-07-2026)	08-09-2026 08:46 AM by kovidgoyal	7	6,091
Similar Books Plugin Quoth (08-01-2026)	08-09-2026 05:29 AM by un_pogaz	13	6,520
Linux install loses setup info drawson1 (08-08-2026)	08-08-2026 08:13 AM by drawson1	2	3,066
Parsing errors Gaia Neos (08-07-2026)	08-08-2026 06:02 AM by Gaia Neos	4	3,802