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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

Graphics are oversized on...

by Jaws

Today 02:52 AM

5,851

35,693

Devices

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

Cannot upload from Calibre to...

by rantanplan

02-12-2026 03:39 AM

4,500

30,982

Editor

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

Eliminate Top/Bottom White...

by JSWolf

02-07-2026 02:59 PM

1,875

15,126

Library Management

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

Regex help for importing...

by CoreyEMTP

Today 04:38 AM

10,528

71,076

Plugins

Use plugins to extend the functionality of calibre

[GUI plugin] Palette Switcher

by skil-phil

Today 01:28 AM

959

73,521

Recipes

Post your calibre news download recipes, solutions and requests

Asahi Shinbun fail on 403...

by kovidgoyal

Yesterday 01:04 AM

4,007

20,002

Server

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

Error: "Failed to connect to...

by Mob201503

Today 06:57 AM

671

3,514

Viewer

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

Dictionary Lookup Re-styled...

by simurq

02-08-2026 03:44 PM

599

4,177

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 msr

02-12-2026 12:33 PM

480

7,355

Development

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

calibre-debug...

by shayaknyc

02-09-2026 12:49 PM

1,066

8,003

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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 07:49 AM by lkmiller	1,347	1,012,363
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	02-08-2026 11:37 PM by CAIArchive	71	148,073
Sticky calibre friday preview releases ( 1 2 3 4 5 ... Last Page) chaley (03-08-2024)	10-11-2025 03:02 AM by ownedbycats	352	252,337
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 09:05 PM by mifanathan	252	542,750
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 07:06 PM by DNSB	0	70,548
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 09:04 PM by kovidgoyal	0	172,510
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 05:05 PM by kovidgoyal	0	195,721

Poll How many books in your library? Mr_H_Poirot (Today)	Today 07:00 AM by Mr_H_Poirot	0	1
Poll Calibre Notifications ( 1 2 3) BetterRed (02-11-2026)	Yesterday 11:13 PM by BetterRed	38	12,200
Planning for My Next Crash slm (Yesterday)	Yesterday 09:53 PM by slm	4	1,204
Calibre 9 and Box Cloud Storage ( 1 2 3 4 5) dizzy274 (01-30-2026)	Yesterday 06:22 PM by DNSB	63	24,939
Calibre themes Mr_H_Poirot (Yesterday)	Yesterday 05:00 AM by CAIArchive	1	2,918
I could not imagine having to start from scratch now ( 1 2 3) Rellwood (01-26-2026)	02-12-2026 04:38 PM by theducks	36	21,531
System restart needed every update? ( 1 2) Uncle Robin (02-10-2026)	02-12-2026 11:42 AM by PeterT	21	7,310
Calibre-Web - Syncing-issue - books not readable Dirk-71 (02-10-2026)	02-11-2026 07:29 PM by BetterRed	4	4,187
Bug in copying duplicate books in 9.2.1 JSWolf (02-11-2026)	02-11-2026 05:31 PM by JSWolf	0	2,216
Eliminazione colonna non personalizzata Gianky (02-11-2026)	02-11-2026 05:22 PM by BetterRed	3	2,488
Why Does SHUTDOWN Take So Long?! ( 1 2 3) gxn1 (12-03-2025)	02-11-2026 03:45 PM by Sirtel	30	14,596
Calibre error message when opened shad0wspan (02-07-2026)	02-10-2026 10:44 AM by shad0wspan	7	5,425
Kobo Not Contacting Calibre-Web diogenes3575 (04-09-2025)	02-10-2026 07:20 AM by Dirk-71	6	7,474
Calibre and Tahoe Dark Mode icon? institute (02-07-2026)	02-10-2026 06:06 AM by institute	7	6,222
Linking Calibre with Thorium e-reader (Windows) Mr_H_Poirot (02-09-2026)	02-10-2026 02:28 AM by Mr_H_Poirot	3	3,437
Edited metadata.db. What are the implications? VelvetElvis (02-07-2026)	02-09-2026 04:10 PM by ReadingEnjoyer	6	4,358
Question about the new Bookshelf view in Calibre 9 and the Pages database field MCBastos (01-31-2026)	02-09-2026 03:52 PM by MCBastos	8	7,315
problems with installation of calibre in linux ddh (02-07-2026)	02-08-2026 10:41 AM by ddh	5	4,138
Calibre Alternatives ( 1 2) BetterRed (02-01-2026)	02-07-2026 02:55 PM by un_pogaz	28	11,239
Calibre 9.1 Constantly Accessing Hard Drive at Start-up ( 1 2) Chris_Snow (02-05-2026)	02-07-2026 06:29 AM by un_pogaz	15	7,565
Scrolling speed changed in Calibre 9? Daniel Jackson (02-01-2026)	02-07-2026 05:24 AM by Daniel Jackson	13	6,342
Calibre Database seems to be hosed Attis913 (02-06-2026)	02-06-2026 08:24 PM by PeterT	3	3,599
Linux: Unofficial AppImages ( 1 2) shuvashish76 (01-27-2026)	02-05-2026 04:29 PM by DNSB	22	18,299
Pages field in Calibre 9 vs Count Pages plugin results mikespub (02-04-2026)	02-04-2026 10:45 PM by Sirtel	8	5,334
Beta testers for calibre 9 needed ( 1 2 3 4 5 ... Last Page) kovidgoyal (01-02-2026)	02-04-2026 12:45 AM by theducks	687	113,135