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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 EPUB to AZW3...

by Sirtel

Yesterday 01:12 AM

5,891

36,062

Devices

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

Modded Nook Classic and...

by nmyshkin

Yesterday 12:46 PM

4,526

31,161

Editor

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

'Check book' customization

by thiago.eec

08-16-2026 01:17 PM

1,912

15,385

Library Management

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

Limit the number of batch...

by BetterRed

08-19-2026 07:52 PM

10,676

72,250

Plugins

Use plugins to extend the functionality of calibre

[Conversion Output] kfxgen -...

by tomsem

Yesterday 11:31 PM

1,049

76,446

Recipes

Post your calibre news download recipes, solutions and requests

Smithsonian

by kovidgoyal

08-16-2026 11:20 AM

4,040

20,193

Server

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

Beta test for new server...

by kovidgoyal

08-11-2026 01:30 PM

689

3,674

Viewer

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

Calibre always opens the PDF...

by shuvashish76

Yesterday 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

Calibre on a "blind"...

by DNSB

08-08-2026 06:34 PM

492

7,484

Development

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

calibre-debug...

by shayaknyc

08-20-2026 12:16 PM

1,080

8,121

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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)	08-17-2026 05:15 PM by lkmiller	1,763	1,684,059
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	721,428
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	483,966
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	280,749
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	106,843
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	210,531
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	233,381

raspberry pi 5 cron mrijnvis (08-18-2026)	Yesterday 12:47 AM by mrijnvis	4	1,659
How to pevent Calibre automatically converting epub to kebub Ane (08-20-2026)	08-20-2026 12:31 PM by Ane	1	590
Updating portable version DaySleeper (08-18-2026)	08-20-2026 04:02 AM by DaySleeper	2	871
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	3,425
Parsing errors Gaia Neos (08-11-2026)	08-15-2026 11:01 AM by thiago.eec	13	4,203
Poll How many books in your library? ( 1 2 3 4) Mr_H_Poirot (02-14-2026)	08-10-2026 05:25 PM by Sadrarin	54	71,610
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	5,824
Metadata reverted to its previous state. AnnieQuinn (08-10-2026)	08-10-2026 06:09 AM by Sirtel	6	1,715
Installation Error EHS1945 (08-07-2026)	08-09-2026 08:46 AM by kovidgoyal	7	3,900
Similar Books Plugin Quoth (08-01-2026)	08-09-2026 05:29 AM by un_pogaz	13	4,677
Linux install loses setup info drawson1 (08-08-2026)	08-08-2026 08:13 AM by drawson1	2	1,452
Parsing errors Gaia Neos (08-07-2026)	08-08-2026 06:02 AM by Gaia Neos	4	2,179
Re-merge files split by Calibre conversion? Siavahda (08-06-2026)	08-07-2026 12:08 PM by thiago.eec	13	2,879
Image Drag and Drop malfunction hiteshp (08-06-2026)	08-07-2026 01:07 AM by hiteshp	2	2,107
Download Metadata Error kazukasi (07-18-2026)	08-06-2026 03:26 AM by DaySleeper	5	5,308
Editing metadata of books (title, author) doesn't change metadata on device? supafastjelifish (08-04-2026)	08-04-2026 07:25 AM by supafastjelifish	0	1,471
Polish of more than 3 books crashes Calibre. Magnuss (08-01-2026)	08-03-2026 05:35 PM by BetterRed	12	3,415
Will there be an appimage? ihuger (08-02-2026)	08-02-2026 03:33 AM by ihuger	0	1,711
Some unexpected Calibre behavior GeorgeYellow (07-09-2026)	08-02-2026 02:45 AM by DNSB	6	5,856
Question for those who edit .CSS files ( 1 2 3 4 5 ... Last Page) Mr_H_Poirot (07-11-2026)	08-01-2026 03:02 PM by Jaws	90	37,155
Paypal Doesn't Allow Donation joscg (07-31-2026)	07-31-2026 07:38 PM by joscg	3	2,455
Menu Feature request Dal Bhat (07-27-2026)	07-27-2026 10:48 PM by Dal Bhat	7	5,674
Tracking Changes Made to My Calibre Library Loosheesh (07-25-2026)	07-27-2026 11:34 AM by Loosheesh	5	5,527
Render math formula inside highlight notes AchmadFathoni (07-25-2026)	07-25-2026 09:48 PM by AchmadFathoni	0	4,026
Can I install Calibre on my D:Drive? Rellwood (07-24-2026)	07-24-2026 10:33 PM by Rellwood	14	7,158