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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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 ...
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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 ...
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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 ...
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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 ...
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How do I increase the Taskbar Thumbnail Preview Delay Time in Windows 8?

When I hold my mouse over minimized items in the taskbar (Word docs, Chrome pages, projects in other programs, etc.), the preview windows disappear before I have a chance to click on the document or ...
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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 ...
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22 views

Stop Windows 10 from randomly using past folder thumbnail for unrelated folder and overriding the custom folder icon

I have a pretty sizable collection of manga stored on my drive, divided into a bunch of folders. To help differentiate them at a glance, I use the Customize function in Folder Properties to set each ...
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1answer
64 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 ...
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1answer
32 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....
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171 views

MP3 Album Art Not Showing in Windows Explorer?

in the picture below 1, you can see that music files with the m4a extension are displayed with their thumbnails, but mp3 files are not displayed but they easily show thumbnails with the mp3tag ...
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1answer
55 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 ...
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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 ...
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121 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 ...
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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 ...
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Is there a way to force Windows to create all Thumbnails for a Directory? [duplicate]

As default Windows (or in my case Windows 7) creates the Thumbnails for Files based only on the "current view position" of the Explorer Window. And you need to scroll for more Thumbnails ...
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1answer
46 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 ...
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1answer
247 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 ...
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1answer
4k 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 ...
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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 ...
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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 ...
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1answer
3k 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 ...
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648 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....
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276 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 ...
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42 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 ...
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120 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 ...
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1answer
292 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, ...
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209 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:
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100 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)
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863 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. ...
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1answer
2k 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 ...
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1answer
464 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-...
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1answer
64 views

Can the IT department track my usage when i am watching You Tube thumbnail videos only?

I have been given a smartphone at my work place and i browse You Tube while i am on office network. IT department have registered the MAC address of the smartphone and keeps a track on employees using ...
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812 views

Generate preview thumbnail (sample) using ffmpeg?

I tried to google for a way to generate preview thumbnail (sample) like MPC-HC does: As you can see, the thumbnail should have multiple frames and show the time of the frame, extra info of the video ...
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1answer
445 views

Thumbnail preview in explorer not showing thumbnails for images until vieweed by default app

Windows10, there are thumbnails for some images, but for some of them it does not. I thought in direction of Always show icons, never thumbnails etc, but there ARE thumbs for some images. As an ...
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2answers
3k views

How to show Folders as Icons and Files as Thumbnails in Windows 10

Is there any solution in Windows 10 to show the Folders as Icons and Files as Thumbnails? I'd like to change the default look of all Folders by using a different *.ico file. Unfortunately when a ...
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2answers
1k views

Thumbnail preview appears and immediately disappears

I have a problem with the thumbnails of picture files. When I open a OneDrive folder, the Thumbnail preview appears and immediately disappears. It flashes when I scroll down in the folder but as soon ...
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2answers
463 views

{solved} - How to show Thumbnail Previews over Taskbar icons in Windows 7?

My Thumbnail Previews over Taskbar icons in Windows 7 is missing. After some research I have found that I have to go to Computer >> Properties >> Advanced system settings >> and check "Enable Desktop ...
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27 views

Windows 10/Chrome: how to disable thumbnails for a specific folder or reset download locations

My issue lies in downloading files in a public setting, as once in a while, the "Save As" menu, ends up in a folder with rather "sensitive" material in it. So basically I would like to either be able ...
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1answer
4k views

Force Windows 10 to create thumbs.db files within local folders

I will soon move large amounts of photos and videos from my Windows 10 PC to an NAS. To minimize thumbnail load times when accessing those files on the NAS, I want to create thumbs.db files in every ...
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2k views

Is there a way to make image file previews bigger than 256 (extra large) in Windows 10?

I bought myself a bigger monitor with 2560x1440px resolution and I want the image previews to be biiiig but they seem to be limited to 256px size at "extra large" setting. Fullscreen at max size it ...
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1k views

How can I increase the size of (icons) thumbnails when opening files to upload in browsers?

This is the view I get when I want to upload a file to OS X' browser. I like the thumbnail view, but as you can see, they are too small. I don't mind showing fewer pictures – I just want a bigger ...
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1answer
79 views

Is it possible do display (.ico) files as thumbnails in Thunar file manager?

Thunar displays thumbnails (almost) normally for image files, but for (*.ico) files only display a standard thumbnail. Is there some setting or plugin to solve this issue ? Or should I convert ico ...
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1k views

Animated thumbnails for a video using FFmpeg

I want to create an animated .gif file as a thumbnail for a video. I used this command line to grab 20 frames from a video: ffmpeg -i input.mkv -ss 00:05:14.435 -vframes 20 ./thumbs/out%02d.png ...
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4answers
976 views

Windows 10 icons become blank when they are large

I have windows 10 on my HP laptop. A problem happend to all my Thumbnails some days ago. Now all large-sized Icons are blank. Folders, Images, Document,... All are blank. If I make them small, they ...
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1answer
1k views

Use ffmpeg for thumbnail selections

This is a follow-up question from HERE. I want to sample k frames out of the n number of frames in a given video using FFMpeg and its thumbnail filter. There is a post here providing some insights how ...
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Extract video cover/thumbnail from file with embedded cover using ffmpeg

Now I've stumbled upon different posts here and there around the web for extracting a still as a thumbnail for the video.. but I can't seem to find anything related to extracting a cover thumbnail of ...
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1answer
2k views

How to add an embedded thumbnail to a video file with ffmpeg?

I'm encoding some videos and I'd like to add a thumbnail which would load faster than the filesystem browser auto-generating it with the default approach. I've found a number of separate tools which ...
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4answers
10k views

Disable taskbar preview in Windows 10

I have already tried adding the registry entry in HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced as ExtendedUIHoverTime with a value of 30000 seconds but it doesn't work....
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1answer
94 views

Microsoft Edge browser thumbnail tab opens by default instead of miniature tab

Whenever I open Microsoft Edge browser, I get a huge thumbnail in the header of the Windows window. Why does this happen when I open by default? How can I prevent this?
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1answer
1k views

Windows 10: transparent icon bug in thumbnail preview

I always had this bug, at least since I started using Windows 10 when it came out (I am now using version 1709, it's still there). I think the thumbnail preview for certain transparent icon is broken....

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