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
31 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
12 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 ...
1
vote
2answers
28 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 ...
0
votes
0answers
93 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
0answers
29 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 ...
3
votes
1answer
208 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
37 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 ...
1
vote
1answer
375 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
68 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
17 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
0answers
23 views

Different Sized Thumbnails Under Same View?

Occasionally I'll convert a video file format and it comes out having a different sized thumbnail from all the rest of the files in the folder. I've tried changing the view size of the folder to ...
0
votes
3answers
80 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
43 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
67 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
55 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 ...
1
vote
0answers
93 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
0answers
62 views

Office 2010 documents thumbnails does not show in windows explorer

There is an option in all office 2010 software to save the document with a thumbnail view to identify it over windows explorer. just I check save thumbnail in the save dialogue box. This option work ...
0
votes
2answers
238 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
503 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 ...
5
votes
4answers
408 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
72 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 ...
2
votes
1answer
332 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, ...
3
votes
1answer
160 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
289 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
74 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
131 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 ...
0
votes
0answers
440 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
355 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 ...
2
votes
1answer
2k 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):
1
vote
1answer
811 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 ...
1
vote
1answer
281 views

Rapidly viewing thousands of PDF files on Linux [closed]

I have many thousands of PDF files in a directory, and I need to quickly view them one-by-one. I want to be able to open one, look at it, and then quickly (like with a single keypress) move on to the ...
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
281 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
903 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 ...
1
vote
0answers
41 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
116 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
279 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
683 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 ...
1
vote
1answer
1k views

ffmpeg: Trying to take thumbnail fps=fps=1/60 works but not fps/fps=1/600

I am following this doc from the ffmpeg site: This will create one thumbnail image every minute, named img001.jpg, img002.jpg, img003.jpg, ... (%03d means that ordinal number of each thumbnail ...
1
vote
2answers
1k views

FFMPEG does not have fps filter. How to fix it?

I am trying to user fps filter to take thumbnails but it gives error: No such filter: 'fps' I checked the list of filters using ffmpeg -filters and fps was not there. How to install it or fix ...
0
votes
1answer
48 views

Sharing the thumbs.db file

in our situation we got network shares containing a lot of PDF's. People want to look at the thumbnails before opening them. However, the thumbs.db file is regenerated for every user looking at the ...
0
votes
1answer
176 views

Disable Windows 7/8 Alt+TAB *preview* (entirely)

When Alt+TAB-ing Windows shows a list of icon previews, and, after a second or so, shows the actual window selected behind this list (a feature called Aero Peek). I just want to see that window ...
0
votes
0answers
379 views

Image thumbnails not showing and cannot access file properties, how to fix it?

This is a folder full of JPGs: Obviously that does not look right. I have given it plenty of time to load, but still I get no thumbnails. When I right click on a file, and click properties, ...
0
votes
1answer
500 views

Why does my image look sideways in thumbnail view but correct when I open it?

This is important because I will be submitting it for my visa application (rotated images disqualify you). The image looks rotated sideways in thumbnail view on my computer, but when I double-click ...
-1
votes
1answer
3k views

How to reset thumbnails in windows 8

I changed the album art of an audio file inside a folder using a id3 tag editor. But the folder thumbnail still shows the old album art. I tried to clear thumbnail cache using system cleanup, But i ...
2
votes
2answers
170 views

Video files thumbnails not showing

I have already tried all of the different solutions which I found online, even messing with the Registry, but nothing has worked so far. What could be another possibility to fix this issue? If it ...
0
votes
4answers
3k views

Remove Windows 7 taskbar thumbnails

Is there any way to get rid of the taskbar thumbnail previews on Windows 7 once and for all?
2
votes
1answer
640 views

ffmpeg thumbnails with exact size main aspect ratio

Hi need to get one thumbnail with resolution 560x420. I'm using this command: ffmpeg -i "file.mp4" -vf "scale=560:-1,pad=max(iw\,ih):420:(ow-iw)/2:(oh-ih)/2" \ -frames:v 1 best.png This command ...
5
votes
2answers
5k views

Can ImageMagick make thumbnails from video?

I'm trying to extract thumbnails from video via ImageMagick. I found some samples from their official site, but it makes GIF, not PNG. I want a solid thumbnail though. Can it create the same output ...