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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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 ...
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Is there a way to decouple thumbnailer from open-with in Windows Explorer?

I want to use Okular (from the Windows store) to open PDFs, but Acrobat or Edge or ... whatever to generate the "Large icons" and "Extra large icons" thumbnails in Windows Explorer....
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Misassociation with picture thumbcache icons

On rare occasion when I am copying new pictures (jpg) to an existing folder where the file has a name that matched an old deleted file then the icon displayed in Windows File explorer is that of the ...
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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 ...
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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 ...
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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 ...
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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, ...
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Video thumbnails rotated 90 degrees in Finder (macOS Sierra 10.12.6)?

The previews for several videos are displayed correctly in either the 'get info' preview, or when I have a video selected in Finder and hit spacebar. When I open the video file, it plays in the ...
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Convert embedded M4V thumbnails from PNG to JPG

I have a load of M4V files that I've ripped from disc, and went to the trouble of embedding images in the metadata for all of them. Most are in PNG format, but minidlna doesn't recognize anything ...
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How to cut a thumbnail vertically for a sprite from a input video using ffmpeg?

Is there a ffmpeg command to grab a thumbnail every second (fps=1) and splice/cut it vertically in the middle for creating a sprite (by stitching all vertical cropped output of thumbnails) ? -Command ...
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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 ...
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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 ...
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How to disable OneDrive making text files being previewed on the desktop?

After I install OneDrive and enable sync on the Desktop, my text files look like this instead of the usual text file icons. As shown, in the first image, OneDrive somehow makes the icon of the text ...
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Can Windows 10 show thumbnails of STLs outside 3D Objects folder?

In File Explorer -> Documents -> 3D Objects, Windows shows thumbnails of STL (CAD, not C++) files. The STLs are associated/auto open with 3D Builder. However, outside the 3D Objects folder, ...
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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 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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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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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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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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.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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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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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 ...
4 votes
1 answer
10k 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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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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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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376 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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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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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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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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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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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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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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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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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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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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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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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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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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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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{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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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 ...
7 votes
1 answer
5k 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 ...
3 votes
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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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