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Calibre

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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 from Epub vs...

by BetterRed

09-13-2026 07:00 PM

5,892

36,077

Devices

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

Calibre showing "Unknown"...

by ebonyandlace

09-13-2026 01:12 PM

4,529

31,165

Editor

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

Find & Replace

by phossler

Yesterday 10:23 AM

1,918

15,408

Library Management

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

Series not syncing to device

by DNSB

Yesterday 01:54 PM

10,687

72,334

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] FanFicFare

by Elaine T

Today 05:20 PM

1,065

76,827

Recipes

Post your calibre news download recipes, solutions and requests

Associated Press recipe has...

by mr316

09-13-2026 11:39 AM

4,042

20,220

Server

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

try to use a old samsung tab

by aardbewoner

Today 02:17 PM

692

3,684

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

09-12-2026 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)	09-12-2026 05:57 AM by lkmiller	1,800	1,803,508
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	750,738
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	517,685
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	296,464
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	109,950
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	213,684
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	236,660

Is it allowed to use the Calibre logo on my website? tijsco (Today)	Today 05:01 PM by tijsco	2	310
Calibre Companion PeterT (09-13-2026)	Today 02:46 PM by PeterT	10	1,691
Replacing file on device maddz (09-12-2026)	09-12-2026 09:28 PM by theducks	5	1,076
Cover background color not working dunhill (09-06-2026)	09-06-2026 07:38 PM by dunhill	2	1,068
Calibre window not showing up spicyfood (09-06-2026)	09-06-2026 06:53 AM by JSWolf	2	1,081
PNG to JPG ( 1 2) ableal (03-21-2022)	09-05-2026 05:42 PM by JSWolf	16	8,024
New AI Cover Generator ( 1 2 3) JeffGeorge (09-01-2026)	09-05-2026 04:32 PM by dandaman	40	5,468
How to pevent Calibre automatically converting epub to kebub Ane (08-20-2026)	09-03-2026 02:26 PM by Dal Bhat	2	1,421
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	76,549
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	802
Gameplay Jellby (08-30-2026)	08-31-2026 02:44 AM by un_pogaz	3	1,328
Two Suggestions Rellwood (08-28-2026)	08-29-2026 07:57 PM by Sirtel	9	2,195
Auto converting same format when adding. Why do this? Dal Bhat (08-28-2026)	08-28-2026 06:34 PM by Dal Bhat	3	1,107
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	5,439
Download Metadata Error kazukasi (07-18-2026)	08-26-2026 01:17 PM by JSWolf	7	8,712
Book awards metadata plugin would be nice! ehead (08-06-2023)	08-26-2026 08:43 AM by taurins	1	1,531
Will there be an appimage? ihuger (08-02-2026)	08-25-2026 12:33 AM by gbm	2	5,047
raspberry pi 5 cron mrijnvis (08-18-2026)	08-21-2026 12:47 AM by mrijnvis	4	2,309
Updating portable version DaySleeper (08-18-2026)	08-20-2026 04:02 AM by DaySleeper	2	1,696
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	6,396
Parsing errors Gaia Neos (08-11-2026)	08-15-2026 11:01 AM by thiago.eec	13	4,825
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	9,857
Metadata reverted to its previous state. AnnieQuinn (08-10-2026)	08-10-2026 06:09 AM by Sirtel	6	3,756
Installation Error EHS1945 (08-07-2026)	08-09-2026 08:46 AM by kovidgoyal	7	7,669
Similar Books Plugin Quoth (08-01-2026)	08-09-2026 05:29 AM by un_pogaz	13	7,459