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

learn more… | top users | synonyms

0
votes
0answers
9 views

How to create a live video preview thumbnail?

I want to create an MP4 preview file around 60 seconds from a video file its duration about 45 minutes. I want to grab around 3 seconds video x times -to create 60 seconds limit- then join all these ...
0
votes
0answers
13 views

No thumbnails for large image files

I have discovered that Windows 8 don't generate/show thumbnails for large image files. If I sort my images by size there are always a thumbnail for images less than 10MB in size while almost never one ...
0
votes
0answers
18 views

MS Office and Adobe Acrobat pdf file thumbnails are not showing correctly

As you can see in screenshot above, my .pdf and MS Office files' thumbnails are not showing properly. Tried cleaning thumbnail cache and unchecking related field in folder options in view tab but no ...
1
vote
1answer
30 views

Windows 7 replaced my image with its cached thumbnail of that image… can I recover it?

So frustrating. I have a huge 700MB tiff file. I edited it for an hour. I saved my edits and closed it. Windows showed the older version of the image in its thumbnail. I googled for a fix. Someone ...
0
votes
0answers
28 views

Image thumbnails won't show up in Explorer

I have recently turned thumbnails off in the Windows performance settings. Then I turned them back on, but they still won't show up in Explorer. I've checked all the settings I could think of and don'...
1
vote
0answers
25 views

Audio & Video files thumbnails files are missing

I can't see any thumbnails on my Audio & Video files (works fine with the Pics though) I tried the Folder Options → Always show icons, never thumbnails. I've cleared the "Thumbnails cache" ...
1
vote
0answers
94 views

Windows 8.1 no longer showing some thumbnails or previews

I used to be able to select a file in the standard File Explorer to see a preview in the Preview Pane, for many common file types. However, I've recently noticed that that doesn't work anymore for ...
0
votes
0answers
14 views

Is it possible to change direction for the slide pane (thumbnails) in PowerPoint?

Sometimes I use PowerPoint in "half screen mode" (windows and left/right arrow key). When I do this I have a lot of vertical, but not horizontal, space. To use the screen space more efficiently I ...
0
votes
0answers
22 views

Manually select multiple folder thumbnails in Windows 8.1

I have a folder containing only pictures, as far as i know windows selects the newest two images as thumbnails on the folder preview which looks like this: . Is it possible to manually select these ...
0
votes
0answers
53 views

Negative consequences of disabling thumbnail cache on SSD?

A common tip for SSD users is to disable thumbnail cache for 2 reasons: first, the SSD is fast enough to load thumbnails near instantaneously without the cache (disabling the cache doesn't disable ...
0
votes
0answers
74 views

Thumbnails for MP3s are missing in explorer

I just set up Windows 10 on my PC and everything works great except one glitch. I have a folder with many MP3s which contain a picture in the MP3-tag. On Windows 7 I used to see this picture in the ...
0
votes
0answers
38 views

Is it possible for Windows to cache thumbnails and directory info of folder on a external device?

I use my phone(or camera) to take photos of parts frequently. Every time I plug my phone in to the computer to browse for photos Windows has to generate all thumbnails and directory info again(can be ...
0
votes
2answers
59 views

How to make windows (8.1) not generate thumbnails every time I browse into a folder?

every single time I browse into a photo or video folder, it regenerates the thumbnails on every file, isn't this the whole point of caching thumbnails, so it don't happen every single time! this is ...
1
vote
0answers
15 views

Dropbox showing all black thumbnails for files/folders? [duplicate]

All the files/folders within my Dropbox are showing with black thumbnails, see the following screenshot: However, all my other files/folders (not in Dropbox) are showing with no problems, i.e. ...
0
votes
1answer
1k views

Pictures thumbnail not working on Windows 10

I have this problem since a while now and can't find any solutions. This one is not working Preview photos in Windows 10 I've tried to delete the thumbnails in any ways, but still no result. Also, ...
0
votes
0answers
15 views

Windows driver for new image format?

I have designed a new image compression algorithm in my free time that sometimes even manages to reduce the file size of jpeg images! I have written it in c++, is there any way that I can install it ...
2
votes
2answers
2k views

How can I generate thumbnail previews for FLV files on Mac?

Similar to this question, however, the answer will not work because it is suited for Windows 7. My initial thought was to just run the video on VLC and pause the video and then just Shift+Cmd+4 and ...
1
vote
1answer
904 views

How can I prevent Windows 10 from stretching and cropping my folder thumbnails?

I just upgraded from Windows 8.1 to 10 and I noticed that all my folder thumbnails are being stretched for display. The picture is a montage: the three entities presented are not in the same folder ...
0
votes
2answers
4k views

PDF thumbnails are not created

In Windows Explorer thumbnails for PDF-files aren't created. It just displays the icons, other files (such as jpg's) work fine. I've already tried every solution I could find on the internet. Registry ...
5
votes
1answer
3k views

How to make Windows 10 taskbar thumbnail previews bigger? [duplicate]

The window previews in Windows 10 are too small to make any informed decisions. How can I increase the size of the thumbnail preview? Note: This is not a duplicate of Is there any way to make ...
0
votes
1answer
212 views

Windows 7 explorer won't refresh favicon (.ico) thumbnail

Windows 7 - I have a folder on my computer which was copied from another location. It contains a .ico file and some other .png files. After copying the directory, I overwrote all the files with new ...
2
votes
1answer
6k views

How to disable Taskbar Thumbnail preview in Windows 10?

Just wanted to disable window preview thumbnail in the taskbar: This is just the same as How to disable Taskbar Thumbnail preview in Windows 8 ? . I followed some solutions written in the answer, ...
0
votes
1answer
442 views

Forcing thumbnail preview for custom file format

Related question: Explorer image thumbnail association A CNC scripting program I use generates BMPs as thumbnails and then appends them in front of the scripts themselves. Changing the file extension ...
2
votes
0answers
100 views

ffmpeg thumbnailor with timecode in filename

i have many videofiles and i want to make one thumbnails every 20 seconds. This is what i have now: for %%a in ("*.*") do ffmpeg -i "%%a" -f image2 -vf fps=1/20 "index\%%~na_IMG-%%05d.jpg" now i ...
0
votes
3answers
330 views

How to delete empty folder with thumbs.db without disabling thumbnails

I often have problem to delete a folder that contains a thumbs.db file. Also tools like "unlocker" fail. It seems to be loccked by os for some unknown reason. The only solution i found in the net was ...
0
votes
1answer
128 views

Can't View Thumbnails when trying to open JPEG files

In Photoshop, I put in a CD with my images, when I try to select a file, I can't view the thumbnails. Only the Photoshop icon! It showed the actual picture before, and all of a sudden it stopped! ...
0
votes
1answer
104 views

Skip parts of video while converting it to images with ffmpeg

I use this command on ffmpeg to convert a video into images: ffmpeg -i video.mp4 -q:v 1 -r 1 -f image2 frame-03d%.jpg What I want to do is to skip the first x seconds and the last y seconds of the ...
0
votes
1answer
86 views

Disappearing program thumbnail on taskbar

I have a problem - when I hover mouse on icon of program/folder in taskbar, then the thumbnail shows, and when I hover mouse on the thumbnail, all that program's thumbnail disappears, and current ...
2
votes
0answers
155 views

Fixing broken thumbnail previews

I'm not 100% this is the right place to post this, so please let me know if so. A while back I had to develop a custom thumbnail preview for a file format for a piece of software I was working on. I ...
0
votes
2answers
327 views

Windows 8.1 thumbnails looking destroyed

I found some thumbnails of jpegs and even folders containing them looking kind of destroyed. What is this? A sign that my hard disk is near of its end? I also realized that changing the size of the ...
0
votes
1answer
2k views

how to fix ffmpeg inaccurate time stamp that corrupts thumbnail generation

So this is intreasting i recieved a video upload today with a time stamp of over a hour when i checked the video its only 8mins long. "C:/server/ffmpeg/bin/ffmpeg.exe" -i Z:/server/websites/ps/...
5
votes
4answers
1k views

How to automatically create Windows thumbnails recursively?

I am using Windows 8.1 with Windows Explorer. The image cache ("thumbs.db") is created when I visit a folder containing video, photo, or other such files. I have a problem with this because I have ...
0
votes
1answer
154 views

Windows preview multiple thumbnails abnormal behaviour can't select the task

E.g. there are multiple instances of Windows Explorer. Hovering on taskbar icon to show multiple thumbnails becomes unstable, it takes some time to move mouse to see thumbnails. However, certain ...
3
votes
1answer
4k views

How to create custom thumbnail cover of a video?

I wish to create a custom thumbnail of my movies and other video, just like the one used by TED talks. The example below will illustrate, the video on the right handside is one of the video from TED, ...
4
votes
1answer
188 views

Firefox : How to reset the new tab's tiles

I am using Firefox 34 on Ubuntu 14.04 LTS and when I press open a new tab it shows the most visited sites in a "tiles" format. Unfortunately for some reason the thumbnails of the tiles don't show ...
1
vote
1answer
453 views

How to set custom thumbnail to a file in Windows Explorer?

Is it possible to set custom (any image) thumbnail to a file (on per-file basis) in Windows File Explorer? Suppose I would like to assign real book cover image to e-book in *.txt format.
0
votes
1answer
167 views

No images’ thumbnails on network disk

I bought network disk to build private cloud photo-archive. Unfortunately, there are icons instead the thumbnails in the Windows Explorer. I read some hints how to check these setting via Folder ...
0
votes
1answer
203 views

Why there are JPEG files with weird file names in folders with videos

Windows 8.1: 64-bit. Since couple of days I see that that in every folder containing a video[s], found a JPEG file with a weird name followed by a file name of a video in the folder. + Is that ...
2
votes
1answer
2k views

Windows explorer thumbnails stopped generating for Canon Raw (.cr2) files only, except intermittently

Updating the question because I know more about the cause of the issue, but still don't know how to solve it. Currently I can see thumbnails for some CR2 files in windows explorer. Maybe only 1-5% of ...
2
votes
1answer
671 views

Windows Explorer won't show image thumbnails when using Remote Desktop

When I connect to my home Windows 8.1 server via RDP (using another win 8.1 computer) and open Explorer to show some folder containing images, I can't get it to show the actual thumbnails, only this: ...
1
vote
0answers
583 views

Thumbnail do not appear for office documents

The thumbnails for all Microsoft office (2010 pro) files quit working. They show the type (word, excel, etc) icon but not a thumbnail of the actual document. All other icons (pdf,etc) that show live ...
3
votes
1answer
3k views

How to disable auto thumbnails rotation in Windows 8

Windows 8 has a nice feature that it rotates thumbnails of images if they captured vertically. but sometimes it's pesky. How can be this feature disabled? For example (ignore the language):
2
votes
1answer
969 views

PDF thumbs not showing in Explorer

I'm running Windows 8.1 Pro 64 bit At some point I stopped getting thumbs for my PDF files in Windows Explorer. I suspected that some thumb cache size may be involved as I have huge collection of ...
0
votes
0answers
43 views

When will explorer cache photos?

If I plugged my external USB into my PC, but never accessed any folders in the drive (just maybe down one level, but with no image files, just more folders) would Windows generate a entry to thumbs.db ...
0
votes
0answers
315 views

Windows 8.1 : alt-Tab icons missing from thumbnails unpredictably

Too often when I hit alt-Tab in Windows 8.1 (Pro, 32bit) I get say 2.5 rows of thumbnails but all without icons in their bottom right corner, which makes it far less clear where to switch to. The ...
1
vote
1answer
1k views

Thunar is not showing any thumbnails

I was looking for the gnome-exe-thumbnailer (or similar) package in Fedora 20 (which surprinsingly wasn't in the repos) but I found tumbler-extras, which I installed and almost immediately uninstalled;...
1
vote
0answers
53 views

Thumbnails for audio files just like in Unity?

I really like Unity audio thumbnails. Is there any way I can preview audio files like this in Windows explorer or Total Commander ?
1
vote
3answers
144 views

Show thumbnails in Mac terminal?

Some time ago I've googled nice screenshot of Mac terminal How it can be possible? Special terminal application or special settings of ls?
4
votes
1answer
477 views

NAS: pre-generating thumbnails for multiple clients

I have a simple setup: Linux server at home with a huge drive; that drive has a photo library (hundreds of folders, hundreds of gigabytes). The drive is shared with multiple Windows and Mac clients ...
0
votes
1answer
1k views

No thumbnails for video files in Ubuntu, and getting an Apport message box whenever I navigate to a folder with video files in it

I'm using Ubuntu 13.04. Whenever I navigate to a folder with video files in it, none of the videos show a thumbnail: Within a few seconds after merely opening a video-file-containing folder, I get ...