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1 vote
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Show PDF Thumbnails on GNOME Desktop

My PDF thumbnails on the desktop have reverted to Adobe icons. I have Evince installed and I am confident that the thumbnails are being generated because thumbnails show up in the Nautilus window for ...
Mark J's user avatar
  • 11
2 votes
1 answer
550 views

Image Previews Not Showing on Ubuntu Desktop

I am using Ubuntu 24.04 on my Dell XPS laptop. I am experiencing an issue where image previews (thumbnails) are not displayed on my desktop. Instead I see generic icons for image files: Steps taken ...
Alessandro Chitarrini's user avatar
0 votes
0 answers
200 views

Gnome Files (Nautilus) How to set maximum file size to get a thumbnail?

Gnome Files browser shows thumbnails for files up to certain size. How can I change that size? I have found a pull request that removed it from the preferences, and from there, I found that I can ...
Ondra Žižka's user avatar
0 votes
1 answer
751 views

Nautilus not displaying previews for images, but for video/pdf it is working

Nautilus did not load any previews for images and videos. After installing some thumbnailers like ffmpegthumbnailer and evince-thumbnailer, I do have previews for videos and PDF files, but still not ...
uke's user avatar
  • 129
1 vote
0 answers
218 views

Is there any way to debug gnome-epub-thumbnailer?

I have been trying to use gnome-epub-thumbnailer in Ubuntu 23.04. The program installs & I am able to run gnome-epub-thumbnailer -s 1024 test.epub out.png successfully, but even after rm -r ~/....
dysbulic's user avatar
  • 111
6 votes
1 answer
4k views

How to increase the maximal thumbnail size in Ubuntu 20+ nautilus file manager?

The maximum available thumbnail size (~165px) in Ubuntu 20.04 is too small for my liking and I would like to increase it above this limit: I have tried nautilus, nemo and thunar and in all of them ...
malewick's user avatar
  • 480
1 vote
0 answers
561 views

Gnome's Files application in Ubuntu 20.04 does not properly show the thumbnail of raster image files at times

I noticed that the Files application in Ubuntu 20.04 does not properly show the thumbnail of raster image files at times. Instead of showing the thumbnail of the image, either a white icon with a ...
Sun Bear's user avatar
  • 2,796
0 votes
1 answer
1k views

How to fix tumbler: random image thumbnail sizes in Thunar

Premise OS: Ubuntu 20.04.2 DE: Gnome 3 gnome-shell --version: 3.36.7 In normal circumstances, I prefer not to re-generate thumbnails too often, in order to spare some lifespan for my SSD. org.gnome....
Levente's user avatar
  • 4,347
3 votes
2 answers
3k views

What are my options to replace Gnome 3's Nautilus in the least intrusive way?

I use stock Ubuntu 20.04.2 with the Gnome 3.36.8 desktop (according to gnome-control-center's About tab). Nautilus version: 3.36.3 Dismay: I have a hard time organizing my photos in Nautilus, because ...
Levente's user avatar
  • 4,347
2 votes
1 answer
1k views

Nautilus - Thumbnailer for Ms Office documents in Ubuntu 20?

Under Ubuntu 18.10, Ubuntu 18.04 LTS, and Ubuntu GNOME 16.04 LTS, I used the method described in Nautilus - Thumbnailer for Ms Office documents to successfully generate thumbnails for Microsoft Office ...
Alessandro Paiardini's user avatar
2 votes
1 answer
322 views

Thumbnails stopped working in GNOME

After a system clean-up, my Nautilus doesn't show thumbnails for new images any more. I reinstalled every package with the words “thumbnail” or “preview” in description, but nothing works. What did ...
Ainar-G's user avatar
  • 221
3 votes
1 answer
1k views

how to make thumbnail cache permanent?

I'm trying to thumbnail an entire image directory consisting of upwards of 100,000 files, a thousand per sub-directory, to minimize delays displaying the thumbnails for each directory. (Making it ...
Michael's user avatar
  • 1,155
2 votes
3 answers
2k views

Nautilus doesn' allow thumbnail for image size above 4096 KiB

In Ubuntu 18.10, Nautilus doesn't allow thumbnail size for image above 4096KiB. In preference pane, it is not possible to increase value above 4096. This is a regression, because it was possible ...
JRo's user avatar
  • 73
4 votes
0 answers
813 views

Gnome Nautilus thumbnail generation is extremely slow

After updating from 18.10 to 19.04, thumbnail generation has been extremely slow. And by that I mean it takes from 10 min to 1 hour for Nautilus to generate ONE thumbnail image. I already tried ...
Tuomo Sipola's user avatar
8 votes
3 answers
2k views

Custom thumbnailers don’t work on Ubuntu 18.10 and 18.04

Recently I had a bunch of my own scripts for the thumbnails in Nautilus: WebP previews, sound waveforms, office documents and so on. Seems like either I’m doing something wrong (thumbnail generation ...
Sasha MaximAL's user avatar
1 vote
1 answer
3k views

No mp3 thumbnail (album art cover) when using ffmpegthumbnailer, in Ubuntu Gnome 17.04

I use Nemo as my default file browser and I want to use ffmpegthumbnailer to generate thumbnails. So I installed ffmpegthumbnailer and edited the totem.thumbnailer file in /usr/share/thumbnailers and ...
Panos Ts.'s user avatar
4 votes
1 answer
3k views

How to get nautilus to show file previews thumbnails for office files?

LibreOffice files have thumbnails, Microsoft Office files don't. Sometimes I get sent Microsoft Office files and they come with a thumbnail but as soon as I save the file in LibreOffice, nautilus ...
riscos3's user avatar
  • 221
3 votes
1 answer
2k views

How to enable thumbnail preview for text files in Nautilus

I have many small text files, and want Nautilus to show previews in the icon thumbnail. Left is my current situation, right is what I want. How to achieve that on Ubuntu 15.10? My current Nautilus ...
Nicolas Raoul's user avatar
7 votes
1 answer
1k views

Different nautilus thumbnails rendering for text files

I have Ubuntu 14.04 Gnome edition on both my laptop and the desktop; both are up-to-date but they have a different past-history of installations and upgrades. Now, text-type thumbnails are different ...
Rmano's user avatar
  • 32.3k
2 votes
1 answer
2k views

Custom thumbnailers don't work in GNOME

I wanted to have .chm and .epub files thumbnailed in Nautilus. I followed instructions presented here: https://askubuntu.com/a/266323/119832 with no effect. Provided thumbnailers and their ...
Nykakin's user avatar
  • 3,794
10 votes
2 answers
8k views

What additional thumbnailers are available and how do I install them?

Question: Ubuntu's file manager, Nautilus, comes with a wide support for file previews. These thumbnails are handled by helper programs called thumbnailers. The number of thumbnailers that come ...
Glutanimate's user avatar
  • 21.7k
4 votes
2 answers
992 views

What rendering engine does Nautilus use to show HTML previews/thumbnails?

I just noticed that HTML files with CSS transforms on elements show with the CSS transforms within the thumbnails on Nautilus. So what rendering engine does Nautilus use to generate the thumbnails for ...
Mussnoon's user avatar
  • 5,176