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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

Today 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 BetterRed

Today 05:57 PM

10,686

72,312

Plugins

Use plugins to extend the functionality of calibre

[Editor Plugin] epubveri

by BetterRed

Today 07:04 PM

1,063

76,778

Recipes

Post your calibre news download recipes, solutions and requests

Economist failed after...

by econofan

Today 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

Today 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)	Today 05:57 AM by lkmiller	1,800	1,786,133
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	744,050
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	510,658
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	292,028
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	109,016
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	212,741
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	235,668

Replacing file on device maddz (Today)	Today 09:28 PM by theducks	5	331
Cover background color not working dunhill (09-06-2026)	09-06-2026 07:38 PM by dunhill	2	991
Calibre window not showing up spicyfood (09-06-2026)	09-06-2026 06:53 AM by JSWolf	2	1,013
PNG to JPG ( 1 2) ableal (03-21-2022)	09-05-2026 05:42 PM by JSWolf	16	7,928
New AI Cover Generator ( 1 2 3) JeffGeorge (09-01-2026)	09-05-2026 04:32 PM by dandaman	40	5,282
How to pevent Calibre automatically converting epub to kebub Ane (08-20-2026)	09-03-2026 02:26 PM by Dal Bhat	2	1,351
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	76,184
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	743
Gameplay Jellby (08-30-2026)	08-31-2026 02:44 AM by un_pogaz	3	1,270
Two Suggestions Rellwood (08-28-2026)	08-29-2026 07:57 PM by Sirtel	9	2,133
Auto converting same format when adding. Why do this? Dal Bhat (08-28-2026)	08-28-2026 06:34 PM by Dal Bhat	3	1,048
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	4,608
Download Metadata Error kazukasi (07-18-2026)	08-26-2026 01:17 PM by JSWolf	7	7,884
Book awards metadata plugin would be nice! ehead (08-06-2023)	08-26-2026 08:43 AM by taurins	1	1,480
Will there be an appimage? ihuger (08-02-2026)	08-25-2026 12:33 AM by gbm	2	4,185
raspberry pi 5 cron mrijnvis (08-18-2026)	08-21-2026 12:47 AM by mrijnvis	4	2,261
Updating portable version DaySleeper (08-18-2026)	08-20-2026 04:02 AM by DaySleeper	2	1,639
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	5,520
Parsing errors Gaia Neos (08-11-2026)	08-15-2026 11:01 AM by thiago.eec	13	4,772
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	8,940
Metadata reverted to its previous state. AnnieQuinn (08-10-2026)	08-10-2026 06:09 AM by Sirtel	6	3,668
Installation Error EHS1945 (08-07-2026)	08-09-2026 08:46 AM by kovidgoyal	7	6,073
Similar Books Plugin Quoth (08-01-2026)	08-09-2026 05:29 AM by un_pogaz	13	6,496
Linux install loses setup info drawson1 (08-08-2026)	08-08-2026 08:13 AM by drawson1	2	3,048
Parsing errors Gaia Neos (08-07-2026)	08-08-2026 06:02 AM by Gaia Neos	4	3,780