Questions tagged [thumbnails]
Thumbnails are reduced-size versions of pictures/videos/PDF's, Used to help in recognizing and organizing them.
65
questions
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How can I instruct Nautilus to pre-generate thumbnails?
I have a large library of PDF documents (papers, lectures, handouts) that I want to be able to quickly navigate through. For that I need thumbnails.
At the same time however, I see that the ~/....
15
votes
3
answers
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Nautilus: Show image thumbnails at more than 200% size
I would like to delete some images with nautilus.
I increased the size to 200%.
My monitor has a high resolution and the image are too small for me.
I would like to increase the size even more, but ...
19
votes
3
answers
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How to set the first picture of every folder as its folder icon?
If there are pictures in folder A, B, C.....Z, how do I automatically set the first picture in each of these folders as its folder icon? Is there a way like a script or something else?
10
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2
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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 ...
7
votes
4
answers
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Can't generate thumbnails in Nautilus
Before I upgraded to Ubuntu 12.04, thumbnails on video files worked nicely, after the upgrade, thumbnails aren't generating on video files and only on video files, most of them are .mkv files. I have ...
44
votes
3
answers
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What is safe to exclude for a full system backup?
I'm looking for a list which paths/files are safe to exclude for a full system/home backup.
Considering that I have a list of installed packages.
/home/*/.thumbnails
/home/*/.cache
/home/*/.mozilla/...
43
votes
6
answers
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Thumbnails not showing in video in Ubuntu 18.04
I have Ubuntu 16.04 LTS and I've manually installed Ubuntu 18.04 LTS.
Everything looks fine except video thumbnails.
How to solve this?
8
votes
1
answer
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How to create custom thumbnailers for Nautilus, Nemo, and Caja?
Nautilus (GNOME Files) and Nautilus-based file managers, namely Nemo and Caja, already create previews for many common file types with their default thumbnailers. There are also a number of other ...
20
votes
2
answers
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How to stop Nautilus from creating thumbnails of specific file types?
I'm trying to stop Nautilus from creating thumbnails of PDF files. In another thread on 'Ubuntu forums' someone said to open gconf-editor and disable the PDF entry in the '/desktop/gnome/thumbnailers' ...
19
votes
2
answers
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Nautilus not generating thumbnails for GIF images
No matter what I try (changing the preview options, deleting the thumbnail cache, etc.), Nautilus in Ubuntu 15.04 does not generate thumbnails for GIF image files. However, it generates a thumbnail ...
10
votes
2
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Generate thumbnails for text?
I need to generate thumbnails for some text files.
Obviously the system somehow has the ability to do exactly this (see the screen shot). Is there any way I can access these images and just copy them ...
8
votes
3
answers
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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 ...
38
votes
3
answers
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How do I reset the thumbnail cache?
I have a lot of images on my laptop as I work in graphics. On the same system, I also have a folder containing my family pictures.
I would like to do two things:
Empty the already cached images
and ...
37
votes
6
answers
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Why doesn't Nemo preview thumbnails?
I have a problem with thumbnails on my Ubuntu 12.04 LTS 32-bit system with Cinnamon 2.0.14 DE and Nemo 2.08.
I have tried removing the ~/.thumbnails directory but it is not working for me. This is ...
16
votes
4
answers
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Dolphin does not show thumbnails
I have changed my Unity default file manager to Dolphin.
Problem: video thumbnails don't show up anymore.
In Nautilus the thumbnails are shown correctly.
How to make Dolphin show thumbnails?
11
votes
3
answers
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How to make Thunar regenerate thumbnails?
I have a large collection on pictures which needed cropping, color balancing, autotuning, etc. Now Thunar is showing the old thumbnails and is very confusing because i can't visually separate edited ...
9
votes
2
answers
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No file preview while opening an image in 22.04
In 21.10, when I try open a file, I could see a thumbnail preview on the right. This was true with Firefox, GIMP and Inkscape.
Sadly, after upgrading to 22.04, all I got are file names and an image ...
3
votes
2
answers
2k
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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 ...
17
votes
2
answers
4k
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show thumbnails in file chooser dialog
is there any way to show thumbnails in file chooser dialog in ubuntu or in any other distro ?
12
votes
1
answer
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How to disable thumbnail generation?
For privacy and security reasons I want to disable the generation of any thumbnails in the ~/.cache/thumbnails folder (using Ubuntu 14.04 LTS).
I already tried this (without success):
In the ...
11
votes
5
answers
5k
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How to regenerate a specific thumbnail in Nautilus?
Sometimes I crop PDFs in order to have a one-page reading instead of a scanned two pages. However, nautilus keeps an old thumbnail showing the former front page.
I know that I can delete the hidden ...
9
votes
3
answers
9k
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How to get bigger photos' thumbnails in Nautilus?
Today I wanted to go through my photos collection but I have realised that it is quite difficult to go through thumbnails in Nautilus as it is using the free space in the window very inefficiently, e....
8
votes
1
answer
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How can I use ffmpeg to output a screenshot gallery / mosaic?
I am wondering how to use ffmpeg to create video thumbnails something like this (taken from a VLC forum):
I know totem can do this but totem does not support the video format that I am using
This ...
7
votes
1
answer
1k
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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 ...
7
votes
1
answer
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Dolphin's "Show previews for" blank
I installed Ubuntu 16.04 and installed dolphin (15.12.3) + FFMpegThumbs so that I can see thumbnails of videos but when I went to the previews the box was just blank.
7
votes
3
answers
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File manager in Ubuntu 20.04 not showing thumbnails
The file manager that came with my installation ("Simple file manager for Gnome") doesn't show thumbnails for jpg, png, and videos. I've gone to /Preferences/Search & Preview and made ...
7
votes
3
answers
4k
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My video (.mkv) thumbnails are green (or monochromatic)?
When I installed Ubuntu Gnome 17.04 thumbnails for .mkv were not showing up at all, Then it automatically got fixed, now it's generating the Thumbnails but as weird as it may sound, they're all green (...
6
votes
4
answers
2k
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Missing Thumbnails for .swf files in Nautilus?
Before I upgraded to Maverick, .swf files used to have a thumbnail in Nautilus.
However, Nautilus doesn't generate thumbnails for them anymore, even after removing ~/.thumbnails/, which most likely ...
5
votes
1
answer
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Is it possible to preview arbitrary formats in Nautilus?
I recently found out that Nautilus (Ubuntu 12.04 at least) can show thumbnails of files of non-image formats, for example (data grapher) grace files (.agr) shows a small version of the graph contained ...
5
votes
5
answers
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Nautilus not generating thumbnails in 13.10
Like the title says, Nautilus is not generating thumbnails for any file types (pictures, documents, pdf, etc) after a clean install of 13.10. I have checked the preferences and it is set to always ...
4
votes
2
answers
978
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 ...
4
votes
2
answers
2k
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Ubuntu file manager is not showing proper icons
All files of a code language, particularly python, do not display the proper file icons but instead look like text files - this only happens when the file contains some text.
As you can see the ...
2
votes
2
answers
393
views
How to add space to Exec path in a Thumbnailer description?
I wish to use mplayer to generate thumbnails for nautilus, so I wrote a perl script as the thumbnailer named "gnome_thumbnailer_with_mplayer", and wrote a description in /usr/share/thumbnailers to ...
0
votes
1
answer
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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....
20
votes
11
answers
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Why I can't see the thumbnails in Nautilus?
Problem Loading Thumb Previews:
This started to happen after upgraded Ubuntu from 12.04 to 12.10.
18
votes
2
answers
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Way to make video-thumbnails generate from VLC instead of Totem?
I'm suffering from problem that video-thumbnails do not appear in nautilus for some video files. I just found this bug typefinding: some mpeg files are not identified as mpeg files which seems to ...
13
votes
2
answers
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Thunar Disable video Thumbnails only
Is there a way in Thunar (within XFCE) to disable displaying of Video thumbnails only and still allow Picture thumbnails?
I found this thread:
Show me only picture thumbnails
But that is for ...
10
votes
2
answers
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LXDE: PCManFM Thumbnails of images > 2MB are not shown
Im using LXDE, with PCManFM but images bigger than 2MB are just shown with image-symbol and not with the thumbnail. How Can I change that behavior?
8
votes
1
answer
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HEIF/HEIC Thumbnail issue
I have an issue with HEIC thumbnails.
I can open heic files via the image viewer, however, I can't get the thumbnails showing.
when I try installing heif-thumbnailer by running
sudo apt-get install ...
8
votes
4
answers
6k
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how to stop saving thumbnails in ~/.thumbnails
File manager keeps thumbnails in ~/.thumbnails even after the original photo is deleted.
It's really annoying and I feel like it's insecure if some one can see a photo that I've deleted. I want this ...
7
votes
1
answer
4k
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Why is Nautilus listing so slow when showing thumbnails?
I have a folder with thousands of photo on it.
Every time I enter the folder (even in the same Gnome session) Nautilus start showing the icons (thumbnails) for that folder but the listing is very slow....
5
votes
1
answer
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command line thumbnailing
I have a whole folder of photos I want to look at as thumbnails, and I'd like to do it by calling one of GNOME's native thumbnailers individually, namely totem-video-thumbnailer or evince-thumbnailer, ...
5
votes
1
answer
9k
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How to repair corrupted JPEG files that still have their thumbnails?
I've got a bunch of photos that were on an SD card. Most of them are corrupted now and I cannot open them in any program (Gwenview, GIMP, same on Windows...). But every file browser can still ...
5
votes
1
answer
2k
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Nemo / Nautilus folder icon size
Does anybody know how to reduce this white space - distance on nemo or nautilus between the folders? It's getting ridiculous! I've enlarged the thumbnails from dconf-editor and I also use compact mode,...
4
votes
1
answer
779
views
Prevent Nautilus from displaying thumbnails on a specific mount
I have written a filesystem over Fuse to access a remote pseudo-NAS (the French "Freebox V6", I'll soon publish it as GPL3... when it's a little bit more polished!).
The NAS is connected to a home ...
4
votes
2
answers
5k
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Show me only picture thumbnails
Is it possible in nautilus that it shows thumbnails only for pictures and for all others like videos, pdfs, etc thumbnails are disabled?
4
votes
4
answers
3k
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How to make Nautilus display .psd thumbnails?
is it possible to make Nautilus display Photoshop .psd files thumbnails when viewing files in the list?
If yes, what are exact steps to make it happen. Had been searching this in google, no luck so ...
4
votes
2
answers
3k
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Caja only shows images and icons preview when root
I'm looking for the solution to this error for some time . I did not find anywhere.
Caja could only see the icons of the images and videos when at root. How can I enable this functionality in normal ...
4
votes
1
answer
3k
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PDF thumbnails are missing in Dolphin
I can't find out how to enable Pdf previews in Dolphin 15.08.2, is it possible in this new version?
kdegraphics-thumbnailers is installed and uptodate
3
votes
1
answer
464
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Thumbnail creation in Nautilus fails
I've tried to create a thumbnailer for Nautilus for PSD files with this configuration in
/usr/share/thumbnailers/psd.thumbnailer
And the following content:
[Thumbnailer Entry]
TryExec=convert
...