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Questions tagged [thumbnails]

Thumbnails are reduced versions of objects, mostly images, that are used to quickly display a small and recognizable representation of the object.

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FFMpeg creates image from a timestamp but not from another timestamp

While trying to create an image from a video, the following command does not create any output and completes with the warning Command with timestamp 7 sec: ffmpeg -ss 00:00:7.0 -i "input.mp4"...
CtrlAltElite's user avatar
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240 views

FFMpeg create image from hardware decoded media and software decoded media

I'm trying to create an image thumbnail at a particular timestamp from a video. While doing the activity I came up with two commands. Some videos were successfully processed by first command and some ...
CtrlAltElite's user avatar
1 vote
1 answer
223 views

How to stop FFmpeg from doing anything with the supplied video, other than dumping metadata?

I'm using ffmpeg to extract the embedded thumbnail from a video: ffmpeg -dump_attachment:t cover.webp -i video.mkv The problem is, that ffmpeg complains that at least one output file must be ...
polemon's user avatar
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how can i fix this weird thumbnails bug? i tried clearing cache and changing wallpapers nothing worked

here in the settings menu, it shows like this even though I have a working background on the desktop and same with virtual desktops only the one I'm using shows the background. others show this big ...
be21o's user avatar
  • 1
0 votes
2 answers
784 views

Explorer.exe memory leak when miniatures' performance Options is checked

For the last few days, I've had a very weird problem where Explorer.exe starts eating all of my system memory (16GB) after opening an Explorer window. If I restart the process and don't open any ...
Fernando Hernandez's user avatar
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0 answers
253 views

Windows 10 File Explorer, Is there a way to amend thumbnail size?

In Windows 10 File Explorer/Standard Open file dialog > View > Large Icons. Is there a way to amend this thumbnail size? Large icons are too small & Extra large are too large. A registry ...
DaveF's user avatar
  • 37
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2 answers
218 views

Unknown icon on Windows 11 thumbnails

I don't know how it happened, but now on my Windows 11, I see strange thumbnail icons on files in my C:\Users folder and all subfolders inside. I don't see that on other partitions/drives or locations....
Bloodlex's user avatar
  • 113
2 votes
4 answers
7k views

How can Windows load .heic thumbnails faster?

I have a bunch of .heic photos from my iphone on my Windows 11 desktop. Unfortunately, the Windows File Explorer loads the .heic thumbnails terribly slow. How can I improve this?
K.Mulier's user avatar
  • 190
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1 answer
752 views

Thumbnail preview for HLS using ffmpeg

I have a question about converting an mp4 file to HLS. I would also like to include the first frame of each ts chunk as a thumbnail in the m3u8 file. Is it possible to accomplish this using a single ...
Venkat's user avatar
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1 answer
709 views

Only PNG thumbnails are not shown on Windows 10, unless the defail app is Paint.NET

On my ASUS laptop with Windows 10 (UX425J) I have a problem very similar to what is described in Thumbnails (only .png) and some icons on taskbar stop showing (Windows 10) and Can't see PNG previews ...
Alexander Z.'s user avatar
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Folder is not showing the most recent thumbnails of the files

A few days ago I noticed that folder's preview is not being updated with the newest thumbnails of files that are created there. Is there a reason why it seems to be so random? And is there a way how ...
MaitieS's user avatar
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212 views

Can you batch generate thumbnails with tumbler?

I was wondering if there is any way to generate thumbnails from all files (image and video media) in a folder with (preferably) the command line or anything else really. I use xfce4 and tumbler. ...
thehashslingingslasher's user avatar
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0 answers
512 views

Windows 10 won't automatically generate thumbnails for .CR2 RAW files but will generate for CR3 as normal

My Windows 10 machine has stopped generating thumbnails of Canon RAW CR2 files but will generate CR3 thumbnails as would be expected behaviour. I am able to generate them using a thumbnail generating ...
Sam W's user avatar
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0 answers
94 views

Did I accidentally delete all my thumbnails and entire desktop?

This is a bit different from my usual posts. I may have messed up badly. I was having a problem where my thumbnails for photos (jpg, png, etc., file type didn't matter), weren't showing up. Seemed ...
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120 views

After changing aspect ratio of mp4 file, thumbnail in dolphin file manager still has incorrect aspect ratio

I use the command: for i in *.mp4; do ffmpeg -i "$i" -c copy -aspect 16:9 "${i%.*}.mp4"; done It creates a new file with the correct aspect ratio, but the new thumbnail of the new ...
Hank's user avatar
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1 vote
2 answers
437 views

Broken thumbnails of .cur (cursor) files in Windows

I am on Windows 7 x64 with Irfan Viewer installed. Most of the .cur files in C:\Windows\Cursors have icons of random things (programs, link files, even my .ico/.cur stash). When I go to the Properties ...
rusnuker's user avatar
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2 answers
2k views

Thumbnails (only .png) and some icons on taskbar stop showing (Windows 10)

Thumbnails of .png files and some icons on taskbar (Calculator, Settings, Photo Viewer etc) stopped appearing (but with .jpg thumbnails everething is fine) I suspect that the reason is my messing with ...
Eugene Kuklin's user avatar
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0 answers
662 views

Windows 10 "Last Accessed" Metadata does not update when I open the file, and says that it was last accessed 30 minutes ago (which I did not)

Windows 10's "Last Accessed" metadata property is very weird. I'd like to just disable it from changing on all the files on my computer completely for archival purposes, and I searched far ...
asgasehswheeshs's user avatar
0 votes
1 answer
3k views

Start menu not showing icons for programs in C:\Program Files, but showing icons for other drives and C:\Program Files (x86)

Using the start menu to search for applications and programs installed in C:\Program Files shows the entry in the C:\ProgramData\Microsoft\Windows\Start Menu\Programs but its icon is missing. This ...
Jani's user avatar
  • 3
2 votes
1 answer
5k views

How to fix (regenerate) thumbnails for mp4 files in Windows 10 (recorded by Pixel 3)

My Google Pixel 3 phone saves videos as mp4 files that have no thumbnails in Windows Explorer. (This screenshot shows files on my PC that I'd moved via USB from the Pixel 3.) Here is an example of an ...
Ryan's user avatar
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1 vote
0 answers
2k views

Windows 10 - Thumbnail of animated webp + ability to view in windows photo viewer?

I did many things to be able to see the thumbnails of webp files in windows explorer and that I could see them in windows photo viewer. E.g. WebpCodecSetup installed, K-Lite codec pack full installed, ...
Krystian Walicki's user avatar
1 vote
6 answers
7k views

Windows 11 file explorer no longer shows thumbnails for PNG images

Thumbnails for .jpg, .webp, .mp4, and other file formats seem to work just fine, it's only .png files that don't work. Things I've tried: Removing my thumbnail cache using the disk cleanup utility ...
Maximillian Laumeister's user avatar
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0 answers
259 views

FFmpeg not adding thumbnail to last fragment

I'm using this command to h265 encode a live video from a Blackmagic DeckLink card: ffmpeg \ -format_code 4k29 -f decklink -i "DeckLink 8K Pro (1)" \ -c:v hevc_nvenc \ -pix_fmt ...
Tim Autin's user avatar
  • 121
1 vote
1 answer
2k views

Are the rules for clearing Thunar's thumbnail cache set somewhere that the user can change?

I have recently discovered that my ~/.cache/thumbnails/normal/ folder contains some very old thumbnails. I was under the impression that these were automatically deleted with reasonable frequency. The ...
J. Mini's user avatar
  • 216
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0 answers
628 views

Windows video thumbnails have disappeared after running disk cleanup

I ran the Disk Cleanup utility that comes with Windows to clean temporary files and the thumbnail cache. Now all of my video files no longer show thumbnail previews and look like in the screenshot ...
user3700562's user avatar
1 vote
0 answers
164 views

How to sort thumbnails from a collection other low size photos?

I have a collection of low sized photos (low file size, say around 50KB), consisting of thumbnail images of my camera photos, whatsapp forwarded images and other images downloaded from internet. The ...
Aravind Muraleedharan's user avatar
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0 answers
202 views

Windows 10 taskbar application thumbnail on hover disappeared

Until a few days ago, whenever I would hover over an application I had open on the taskbar, it would give me a small thumbnail of the application as it was. So if I was hovering over VLC as it was ...
Fering's user avatar
  • 101
1 vote
1 answer
228 views

How to delete obsolete thumbnails in Windows 10's Start menu?

If Windows 10's Start menu shows an obsolete thumbnail (i.e. you click it and see empty collections/albums/people/folders), why does it show thumbnails to images that were probably deleted a long time ...
LWC's user avatar
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0 votes
1 answer
503 views

Any way to keep Windows 7 (Ultimate) from deleting the thumbnail cache?

First order of business: Drag OP long and hard for using an OS that's way past EOL. Now that we got that out of the way... It seems that Windows 7 is deleting my thumbnail cache at some arbitrary ...
oscilatingcretin's user avatar
0 votes
1 answer
248 views

Thumbnails keep disappearing from Windows Media Player

Got a strange issue with Windows Media Player on one of my PCs. When you first load it up, the thumbnails load fine but as soon as you start navigating around all album art and video thumbnails vanish....
SpacePhoenix's user avatar
1 vote
1 answer
2k views

Thumbnail disappears when transcoding AVI to MP4 with ffmpeg

When I try to convert an very old avi to a mp4 with ffmpeg, the thumbnail disappears. Is there a way to preserve the thumbnail or auto-generate one directly from the video stream, for example, using ...
Linus's user avatar
  • 11
2 votes
1 answer
7k views

Windows 10: Set video thumbnails to specific frame or manage default offset

SOLUTION FOUND: If anyone ever stumble over the similar problem -- Icaros is the solution. majorgeeks.com/files/details/icaros.html I've got bunch of similar video files with preview thumbnails that ...
CCorax's user avatar
  • 21
0 votes
1 answer
729 views

.jif images do not show thumbnail on Windows

Any JPG, GIF, PNG, etc, will display a Thumbnail on Windows File Explorer. However, JIF images don't: If I rename ".jif" to ".jpg", it displays the thumbnail: Is there any way to ...
Nuno's user avatar
  • 855
0 votes
1 answer
47 views

Windows 10: Thumbnails outline only are showing?

Recently on my Windows 10 Enterprise machine (Version 1809) my (pinned and non-pinned) taskbar thumbnails have stopped showing and only show an outline, this happens after a shutdown also. I have #6 ...
boardtc's user avatar
  • 526
0 votes
1 answer
96 views

Win10's File Explorer no longer shows 16x16 thumbnails

(Actually, I found out in Directory Opus, which I use as File Explorer replacement, but FE behaves the same way.) Larger thumbs show correctly, like in Tiles View, or Medium/Large Icons view. So it ...
stevenvh's user avatar
  • 1,187
1 vote
1 answer
1k views

Video files thumbnails are not showing in some folders

I have 2 folders with identical files, a mix of video files and pictures. 1 folder is on external drive and it shows thumbnail for both videos and pictures. Second folder is in OneDrive, and it only ...
alkasai's user avatar
  • 270
6 votes
5 answers
26k views

How to get .PSD Photoshop thumbnails to show in Windows 10?

I have a problem where thumbnails for Photoshop (PSD) files won't show in Windows 10. Instead, only the default program icon for PSD files is shown. Thumbnails for other image files are working ...
Sha's user avatar
  • 321
0 votes
0 answers
54 views

Thumbnails break for no reason

Sometimes when I'm using my pc normally, I get broken thumbnails and explorer just going crazy and heck it's not the "go to folder options" thing, It's the THUMBNAIL NOT LOADING BECAUSE ...
GalaxinTM's user avatar
0 votes
2 answers
31k views

How to set a thumbnail to a video file on Windows 10

I have a mkv file and I would like to set a thumbnail. I would like this thumbnail to be an image of a random moment of this video, as Windows did for my other videos. If I am not clear enough, I’ll ...
valfur03's user avatar
4 votes
3 answers
8k views

How can I view .ai thumbnail previews in explorer / Windows 10?

I want to see a thumbnail preview in place of the file explorer icon. I've managed to get this working for PSD's and PDFs, but not AI files. I know there's no native support for this, and I'm fairly ...
Shane's user avatar
  • 257
1 vote
1 answer
2k views

In search of a solution to preload icons in Windows icon cache only for a specific folder

As you probably know, Windows XP has a feature of thumbnail caching. On each directory with photos you can find a hidden thumbs.db file that stores folder and file thumbnail references, that "thumbs....
ElektroStudios's user avatar
1 vote
1 answer
543 views

Firefox not displaying thumbnails for YouTube and eBay

I had a problem with the latest version of Firefox (74.0) and so downgraded to version 73.0. Now Firefox won't display thumbnails for YouTube and eBay. I have cleared the cache and cleared cookies ...
Sabuncu's user avatar
  • 486
1 vote
0 answers
65 views

Trigger windows to build preview images before opening folder

Is there any way to trigger Windows 10 to build the various image thumbnail sizes, other than just opening the folder in explorer and waiting? I have an image export program, and it's exported a ...
user13743's user avatar
  • 1,721
1 vote
0 answers
3k views

Windows 10 - see contents of thumbs.db

Is there a way to view the thumbnails cached by Windows 10 (thumbcache_***.db files)? I used to use a program thumbs viewer for that purpose - it worked fine on Windows Vista/7 but it seems to ...
Hipolith's user avatar
  • 111
0 votes
1 answer
2k views

Thumbnails not showing on network drive but on local drives. (Win 10 Pro)

I just finished my new rig and installed Windows 10 Professional. I also have the latest version and all the updates. When I go to my NAS, the explorer doesn't show thumbnails anymore (gif, png, jpg, ...
Klausmaus's user avatar
0 votes
1 answer
574 views

Change all the video thumbnails at once

Is there a way to change all the video thumbnails to a default thumbnail in a particular folder in windows 10? Present Thumbnail: Expected Thumbnail:
Fahim Jami's user avatar
0 votes
0 answers
413 views

How do I make my PNGs have transparent thumbnail in Windows File Explorer?

Example provided below of the issue (where a black PNG is all black)
watercollider's user avatar
1 vote
1 answer
2k views

how to change the thumbnails' (icons) default size in windows 10?

In Windows 7 I used to set my preferred thumbnail size: Then I go in Folder options and make sure that the current style would apply to all folders of the same type: However, that no longer works. ...
Wes's user avatar
  • 966
3 votes
1 answer
3k views

Disable live thumbnails on Youtube web site

Please note this is not about the Youtube app. It is about using the Youtube website on a desktop from a browser. I am using the old Youtube website layout (?disable_polymer=1). One of the features ...
GSerg's user avatar
  • 615
5 votes
1 answer
2k views

How to prevent Windows Explorer from generating thumbnails for a specific folder?

I use rclone to mount a remote as a drive on Windows 10, however whenever I open a folder that contains videos, Windows Explorer starts trying to create thumbnails fo them which makes rclone re-...
user9564371's user avatar

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