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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 EPUB to AZW3...

by JSWolf

Yesterday 10:51 AM

5,890

36,052

Devices

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

Error communicating with...

by PeterT

Yesterday 03:32 PM

4,526

31,158

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

ByteBooks

by catsknit

Yesterday 12:27 PM

10,675

72,236

Plugins

Use plugins to extend the functionality of calibre

[GUI Plugin] FanFicFare

by JimmXinu

Today 09:51 AM

1,046

76,416

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

Can't access dictionary

by Reverend_Jim

07-31-2026 06:49 AM

629

4,383

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 JSWolf

08-10-2026 04:34 PM

1,080

8,120

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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	1,672,574
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	719,369
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	481,359
Sticky Color palettes ( 1 2 3 4 5) dunhill (03-06-2024)	03-05-2026 08:22 PM by artistkinda	72	280,003
Sticky Link to new DRM tool version DNSB (07-13-2022)	07-13-2022 06:06 PM by DNSB	0	106,673
Sticky Video Tutorials kovidgoyal (01-26-2011)	01-26-2011 08:04 PM by kovidgoyal	0	210,334
Sticky New to calibre? Start Here kovidgoyal (01-26-2011)	01-26-2011 04:05 PM by kovidgoyal	0	233,191

Limiting one-click batch download metadata Rellwood (Yesterday)	Today 06:37 PM by issybird	10	1,116
raspberry pi 5 cron mrijnvis (Yesterday)	Today 03:21 PM by mrijnvis	2	869
Updating portable version DaySleeper (Yesterday)	Yesterday 11:35 PM by BetterRed	1	459
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	3,059
Parsing errors Gaia Neos (08-11-2026)	08-15-2026 11:01 AM by thiago.eec	13	4,144
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	71,391
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	5,047
Metadata reverted to its previous state. AnnieQuinn (08-10-2026)	08-10-2026 06:09 AM by Sirtel	6	1,655
Installation Error EHS1945 (08-07-2026)	08-09-2026 08:46 AM by kovidgoyal	7	3,522
Similar Books Plugin Quoth (08-01-2026)	08-09-2026 05:29 AM by un_pogaz	13	4,572
Linux install loses setup info drawson1 (08-08-2026)	08-08-2026 08:13 AM by drawson1	2	1,352
Parsing errors Gaia Neos (08-07-2026)	08-08-2026 06:02 AM by Gaia Neos	4	2,111
Re-merge files split by Calibre conversion? Siavahda (08-06-2026)	08-07-2026 12:08 PM by thiago.eec	13	2,793
Image Drag and Drop malfunction hiteshp (08-06-2026)	08-07-2026 01:07 AM by hiteshp	2	2,056
Download Metadata Error kazukasi (07-18-2026)	08-06-2026 03:26 AM by DaySleeper	5	5,239
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	1,431
Polish of more than 3 books crashes Calibre. Magnuss (08-01-2026)	08-03-2026 05:35 PM by BetterRed	12	3,325
Will there be an appimage? ihuger (08-02-2026)	08-02-2026 03:33 AM by ihuger	0	1,646
Some unexpected Calibre behavior GeorgeYellow (07-09-2026)	08-02-2026 02:45 AM by DNSB	6	5,769
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	36,739
Paypal Doesn't Allow Donation joscg (07-31-2026)	07-31-2026 07:38 PM by joscg	3	2,380
Menu Feature request Dal Bhat (07-27-2026)	07-27-2026 10:48 PM by Dal Bhat	7	5,600
Tracking Changes Made to My Calibre Library Loosheesh (07-25-2026)	07-27-2026 11:34 AM by Loosheesh	5	5,406
Render math formula inside highlight notes AchmadFathoni (07-25-2026)	07-25-2026 09:48 PM by AchmadFathoni	0	3,950
Can I install Calibre on my D:Drive? Rellwood (07-24-2026)	07-24-2026 10:33 PM by Rellwood	14	7,058