Questions tagged [thumbnails]

Thumbnails are reduced-size versions of pictures/videos/PDF's, Used to help in recognizing and organizing them.

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34 views

How to review thumbnails for photos on file browser?

On Ubuntu 20.04, I can't see thumbnails for photos on the file browser. Appears only an image icon for each file. How to get thumbnails instead of icons?
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1answer
37 views

F11 has suddenly become my screenshot key

I'm new to using Ubuntu on a PC (but many many years ago, worked developing shell scripts in Unix for several years), and am going through the pain of setting up my first Ubuntu PC from scratch. The ...
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2answers
74 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 ...
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1answer
79 views

show thumbnails in file chooser dialog

is there any way to show thumbnails in file chooser dialog in ubuntu or in any other distro ?
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46 views

foder an file, thumnails, for all types of files. Ubuntu 20.04.2

20.04.2. I just uninstalled my windows 10 and I'm feeling much better already. I would like to have thumbnail preview icons for all types of picture formats and video formats. I would also like to see ...
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0answers
54 views

How can I view images smaller than the typical thumbnail size at their original size?

I'm using 20.04 and I've noticed something that I really don't like about it: in Pictures, small images such as pixel art or icons are scaled-up as thumbnails. This is annoying because I remember ...
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1answer
58 views

DigiKam update not showing thumbnails after upgrade

Upgraded Ubuntu to 20.04.02 and digiKam (upgraded to 6.4.0) now shows only handful of thumbnails (out of about 12,000 in the db). db location (Settings, Configure Digikam, etc) is correct. Digikam ...
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122 views

there a way or setting for better and bigger thumbnails in the file manager? especially when not showing

is there a way in ubuntu 20.10 to see bigger and or better thumbnails of pictures in the file manager? Especially if your're uploading pictures as a photographer. in the picture you'll see what I ...
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2answers
485 views

File manager in Ubuntu 20.04 not showing thumbnails

Just as the subject line says, I'm not getting any thumbnails. Not for jpg, not for png, and not for videos either. It's the regular file manager that comes with this installation ("Simple file ...
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0answers
95 views

How to add a custom thumbnail to a pdf file?

Some pdf files, but probably other types of files, miss a picture to be used by the thumbnailer. For pdf files, it makes use of the first page, but some times, it is irrelevant. One solution is to do ...
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59 views

Android phone connected via usb - thumbnails not showing

Galaxy s1oe phone connected via usb to ubuntu 20.04 Folders show up just fine, I just don't see the thumbnails. It must be a permission thing. How to fix this ? Thanks.
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0answers
382 views

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 ...
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1answer
327 views

video thumbnails not showing in 20.10, HattinGokbori87 solution doesnt work

How to get video thumbnails to show in Ubuntu 20.10? I tried this solution Thumbnails not showing in video in Ubuntu 18.04 but does not work for 20.10 I currenty can see pdf and jpg thumbnails but not ...
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1answer
100 views

Nautilus in Ubuntu 16.04 can't show pdf thumbnail

I have installed Ubuntu 16.04 on two machines. One can show pdf thumbnail, another can't. I tried to install and reinstall evince, but still, it is not shown. Anyone knows what am I missing? Here is ...
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1answer
217 views

3GP video thumbnails not displayed

3GP/3GPP (.3gp) videos have no thumbnails in Nautilus or Nemo. How can this be fixed?
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0answers
94 views

.xcf humbnails on the desktop with xfce

I use Xubuntu 20.04. To enable thumbnails for my .xcf (GIMP) and .kra (Krita) files, I followed this guide, and with this I get the correct thumbnails in Thunar. However, for a .xfc-file on my desktop ...
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61 views

Thumbnails stopped working completely all locations

This has happened on two computers with 20.04, it must have been after a specific recent update. No thumbnails are displayed in the file manager for any media type. I've tried everything I could find, ...
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0answers
356 views

Viewing Thumbnails Over USB (MTP)

When managing files on an Android device over USB (MTP), and in particular photos & videos, it's essential to be able to see thumbnails. They appear painlessly & automatically on Windows, but ...
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0answers
130 views

Generate preview thumbnails of all images in a directory for nemo

I would like to be able to force nemo to create preview thumbnails for all images in a directory, not just the ones for the currently visible icons. The reason is I have some folders with thousands of ...
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1answer
209 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 here (http://www.bernaerts-nicolas.fr/linux/76-gnome/325-gnome-shell-generate-msoffice-thumbnail-nautilus) ...
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53 views

thumbnails of videos in LUKS partition not getting generated

i encrypted a partitions using LUKS but now video thumbnails are not generating (in that particular partition) although image thumbnails are there, i tried with the ffmpegthumbnailer command but not ...
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0answers
141 views

Mpeg-2 (.ts) videos don't have a thumbnail?

Is there any easy solution for getting thumbnail for .ts videos (Mpeg-2) in ubuntu? currently they are just grey! tried installing ffmpegthumbnailer as recommended here: MPEG2 Transport Stream (MTS) ...
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1answer
139 views

Nautilus PDF Thumbnail Not Loading

I deleted my ~/.cache/thumbnail folder but some of the PDFs' icons are still not properly displayed. They are still displayed using the default PDF icon. I am attaching a screenshot of the icons. I ...
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1answer
67 views

Music folders don't have album covers as thumbnails

Using Ubuntu 20 latest. When I open my folders and go to my music in my external hard disk, I can't see the image of the album in the album folder. Is there any way that I can see the image of the ...
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1answer
156 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 ...
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1answer
288 views

Mate desktop 20.04 hovering panel thumbnail causes excessive CPU usage

Observed on Mate 20.04 .iso install, host and VM. When I hover over the windows on the panel, it is supposed to generate a thumbnail for the window. When that works correctly, there is no problem(...
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1answer
134 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 ...
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2answers
277 views

How tell my Ubuntu to look for thumbnails not only in ~/.cache/thumbnails?

If a specific app does not store the thumbnails it generates for its type of files into the usual ~/.cache/thumbnails then those thumbnails are only shown inside that specific app and not in default ...
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2answers
427 views

GiMP ( snap ) and thumbnails for .xcf files

On Ubuntu ( Budgie ) 20.04 when using Gimp as a snap, you’ll see thumbnails for .xcf files only « inside » Gimp and nowhere else ( Nemo, Nautilus, gThumb… ) 1⋅ how tell my session to look for ...
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0answers
60 views

No preview on USB connected camera

I have no preview / thumbnails when I connect my camera. Show thumbnails is set to all devices and less than 10 MB. Works on network drives and UBS memory sticks, but not for the camera. It works ...
2
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0answers
58 views

Xubuntu 18.04 Thunar shows video and image thumbnails, but it doesn't show PDF covers

Xubuntu 18.04 Thunar shows video and image thumbnails, but it doesn't show PDF covers. It did show PDF covers in the past, but no longer does.
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0answers
47 views

Can Nautilus create thumbnails in separate directories for each mount point?

I've got some external and network drives and I have noticed that Nautilus keeps a single directory in ~/.cache/thumbnails which it uses to store thumbnails of these external drives right along with ...
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33 views

What Types of files are stored in Thumbnails Ubuntu 16.04 LTS _Xenial Xerus

I am new to Ubuntu so please bare with me. I am using Ubuntu 16.04 LTS _Xenial Xerus I am trying to figure out what is saved in the following location: "\home\oem.cache\thumbnails\large" More ...
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0answers
57 views

Is there a way to change the icon size of the file selection dialog?

I would like to have actual thumbnails here instead of this list and that tiny thumbnail on the side:
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2answers
543 views

Thumbnails on desktop are stretched and do not keep aspect ratio of original thumbnails

Thumbnails of pictures and PDF files on desktop do not keep aspect ratio. If I open the desktop folder in the default gnome file manager, the icons aren't stretched. The problem is only with what is ...
2
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1answer
663 views

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 ...
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0answers
750 views

Remove preview (and thumbnail) from MP4 file

How does one remove the preview and thumbnail from a MP4 file (or other video format)? I just simply want to remove it and have a blank icon and preview image. I'm using OpenShot video editor which ...
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0answers
103 views

18.04 LTS Nautilus jpeg thumbnails not displaying

I recently did a clean install of 18.04 LTS on a Lenovo Laptop. The thumbnail previews do not display for common files like JPEGs and mp4 files. I have tried changing the settings in Preferences to ...
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1answer
613 views

Kubuntu 19.10. Why no thumbnail preview?

I have thumbnails, but no previews on desktop and and none in dolphin. Via muon, all thumbnail related apps and libraries are installed. In dolphin, the preview button in menu does nothing. Can ...
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1answer
98 views

Thumbnails in Ubuntu 19.10 in list mode

If I set the layout in files to grid mode, I get image thumbnails, but not when in list mode. I've checked ownership & permissions on ~/.cache/thumbnails and also emptied the folder. Am i missing ...
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1answer
67 views

Save Thumbnails on server

Is there a way to save nautilus thumbnails on a NAS instead of ~/.cache/thumbnails? I have multiple devices accessing a NAS and it takes very long to always generate the thumbnail images. I'm ...
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0answers
762 views

Video Thumbnails Maker for Ubuntu

I need a program which can generate video thumbnails (not a single, but picture with rows and columns of video track) into a jpeg file. Currently I have to run Win7 as vm machine with shared folders, ...
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0answers
81 views

Nautilus image & video thumbnails (Ubuntu 18.04 LTS)? [duplicate]

Trying to get image and video (mp4) preview / artwork thumbnails but no go? I've tried, Nautilus preview preferences ubuntu-restricted-extras update-mime-database ~/.local/share/mime apt install --...
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1answer
553 views

How do I fix some broken thumbnail preview settings in Nautilus?

Okay, I wanted previews for psd files in Nautilus. So I tried the scripts found on this page: How to make Nautilus display .psd thumnails? This did not work, so then I found this maintained PPA, and ...
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0answers
141 views

How can I preview iPhone photos in Nautilus file manager?

I've selected the Nautilus setting to always show thumbnails and it works when browsing most directories containing images with Nautilus, but it doesn't work for my iPhone directory. How can I ...
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0answers
78 views

Konqueror does not show preview for video files

I'm using konqueror on Kubuntu 18.04. ffmpegthumbnailer and kffmpegthumbnailer are installed and the preview for video files is activated in dolphin. (Konqueror does not provide an option for this ...
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0answers
83 views

How can I generate custom image format thumbnails?

I'm trying to get thumbnails to appear for a custom image format in Nautilus on 19.04. The problem I'm running into is the thumbnails will only be generated once I open the files (.VTF "image/x-vtf" ...
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3answers
1k 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 ...
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0answers
553 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 ...
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0answers
897 views

thumbnail.so taking up 100% CPU each time I open dolphin

After updating to Kubuntu 19.04 each time I open dolphin, a process called thumbnail.so is using up 100% of my cpu. It respawns when I kill it, without closing dolphin. I have a webdav share mounted ...

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