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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

AZW3 to ePub issue related to...

by DNSB

Yesterday 10:00 PM

5,856

35,749

Devices

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

Calibre can't "Send-to-Kindle...

by Matk3

Yesterday 10:01 PM

4,504

31,003

Editor

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

Locking edited file

by kovidgoyal

Yesterday 08:09 AM

1,885

15,219

Library Management

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

Managing transfer to device...

by DNSB

Yesterday 10:04 PM

10,567

71,376

Plugins

Use plugins to extend the functionality of calibre

[FileType Plugin] ACSM input...

by gbm

Yesterday 10:39 PM

973

74,114

Recipes

Post your calibre news download recipes, solutions and requests

News Fetch naming

by kovidgoyal

03-10-2026 10:48 PM

4,013

20,027

Server

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

Server setup questions

by theducks

03-13-2026 01:39 PM

673

3,534

Viewer

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

Viewer bug: always open on a...

by Kriemfield

03-14-2026 10:01 AM

606

4,228

Related Tools

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

Calibre Sync for Android &...

by bobkoure

03-14-2026 02:06 PM

484

7,403

Development

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

Drag and Drop

by varia

03-14-2026 07:39 PM

1,069

8,050

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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)	03-15-2026 11:55 AM by Dal Bhat	1,396	1,082,434
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	171,666
Sticky calibre friday preview releases ( 1 2 3 4 5 ... Last Page) chaley (03-08-2024)	10-11-2025 02:02 AM by ownedbycats	352	277,955
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	567,363
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	77,275
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	179,508
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	202,769

Question about Linux app ( 1 2 3 4) Lavender (02-28-2026)	Yesterday 09:07 PM by DNSB	48	25,814
Invoer ISBN in Calibre evb1951 (Yesterday)	Yesterday 12:24 PM by pdurrant	1	683
What's the difference? bluepeter (03-15-2026)	Yesterday 07:15 AM by un_pogaz	7	2,085
What's New for 9.5 missing on website JSWolf (03-13-2026)	03-14-2026 08:40 AM by JSWolf	14	3,795
Searches for specific font Badas (03-12-2026)	03-13-2026 07:20 PM by theducks	4	3,451
Can't upgrade version Weniki (03-11-2026)	03-13-2026 03:25 PM by Weniki	6	3,736
Why is the Calibre subreddit full of bad advice? ownedbycats (03-12-2026)	03-13-2026 02:23 AM by Mr_H_Poirot	4	2,974
Calibre 9.4.0 crashes on macOS 26.3.1 when adding existing library sempaisan (03-12-2026)	03-12-2026 06:55 AM by kovidgoyal	1	1,641
Setting Output formats Rellwood (03-11-2026)	03-11-2026 11:17 PM by Sirtel	1	2,217
lag rsrupert (03-11-2026)	03-11-2026 05:39 PM by DiapDealer	3	2,460
Replace Most, But Not All, Books on My Kobo ( 1 2) koberulz (03-05-2026)	03-11-2026 08:04 AM by Readirect	16	12,464
Author Problem DGB (03-08-2026)	03-08-2026 10:41 AM by theducks	1	2,986
Recent versions of calibre run like a dog on my laptop Cactus Chef (03-04-2026)	03-06-2026 10:07 AM by gbm	12	8,350
Where is the new page count stored / can it be a column? Mister L (03-04-2026)	03-05-2026 04:54 PM by Mister L	10	8,018
Windows: Libraries and jumplists ownedbycats (03-01-2026)	03-02-2026 10:15 AM by ownedbycats	6	5,239
Question about the new Bookshelf view in Calibre 9 and the Pages database field MCBastos (01-31-2026)	03-02-2026 12:00 AM by MCBastos	9	12,735
How to "re-dock" editing windows? Skydog (05-17-2021)	03-01-2026 08:39 AM by DiapDealer	4	4,903
Remove Email Recipient HogDrvr (02-28-2026)	02-28-2026 03:40 PM by HogDrvr	0	3,955
Bug in New Page Counting - All books listed as Error ( 1 2) msr (02-22-2026)	02-28-2026 01:32 PM by Capricorn	16	12,331
OpenSSL Error Starting Cailbre ( 1 2) JeffGeorge (02-25-2026)	02-27-2026 03:38 PM by JSWolf	16	9,179
Does anybody use a split book list? ownedbycats (02-26-2026)	02-27-2026 01:24 PM by Wiggo	3	5,339
Icon pack mode switching query dunhill (02-26-2026)	02-27-2026 11:03 AM by dunhill	2	5,208
Reading Statistics ownedbycats (02-27-2026)	02-27-2026 02:18 AM by kovidgoyal	3	4,909
Bug in author sort ( 1 2) JSWolf (02-21-2026)	02-26-2026 11:41 PM by ableal	15	11,882
Is this a bug? (search and replace... replace fails) wjBLqf-_9 (02-26-2026)	02-26-2026 09:56 PM by Karellen	1	4,667