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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7
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5answers
52k views

Fix image previews and thumbnails in explorer on Windows 7?

Image files used to show as thumbnails in the explorer window, and a larger preview could be seen in the preview pane (alt+p). Now for some unknown reason, I just see a default image icon in both the ...
0
votes
0answers
10 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 ...
2
votes
1answer
642 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: ...
4
votes
3answers
1k views

How do I prevent LibreOffice saving the file with the thumbnails?

I am using LibreOffice 4.0 on Windows 7 and I have noticed that it saves files (for example Writer) with a preview. (The icon of the file shows what's inside it, it looks like a page). How do I turn ...
1
vote
1answer
26 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
24 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'...
2
votes
5answers
4k 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?
1
vote
0answers
23 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" ...
14
votes
3answers
21k views

Can't see PNG previews in Windows 7?

I´m using Windows 7 x64. I can see the .jpg, .gif, etc. preview thumbnails but if .PNG, I only see the generic image, and not the image preview like in the other formats. What can I do to fix this?
1
vote
3answers
1k views

Windows 7: “Hide file names” for all files?

So, I just discovered that you can hide the file names of pictures and videos when you are in a thumbnail view in explorer (via View - Hide file names)... but often I have other files mixed in. This ...
3
votes
4answers
318 views

Prevent thumbnail in folder icon, Third party tool allowed

When I disable thumbnail preview, I like my folder icon, but I also lose photo preview. How can I get the folder icon like second one along with having photo preview in thumbnail? I compromised to ...
2
votes
2answers
4k views

Set MP4 thumbnail

With AtomicParsley, you can set the thumbnail that will be displayed when you look at the file in a file explorer. Example commands $ atomicparsley infile.mp4 --artwork infile.png $ atomicparsley ...
4
votes
3answers
46k views

Replace a thumbnail with another in google chrome new tab page?

I have 8 thumbnails in my google chrome new tab page... Two have been blocked in my company... How to replace that two thumbnails with new ones....
0
votes
1answer
824 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 ...
36
votes
6answers
34k views

How to get SVG thumbnails in Windows Explorer?

I can open them in browser just OK, but how can I have thumbnails in the Windows Explorer? Edit: I installed Renesis Player as suggested by this answer, but it does not work for me, probably because ...
7
votes
2answers
2k views

Huge TIFF file bogs down Explorer thumbnail generation

In one of my photo folders, I have a 3.8 GiB TIFF image file. With automatic thumbnail generation set, explorer completely locks up my system when accessing the folder. By inspecting the Resource ...
12
votes
6answers
26k views

Windows 7 64-bit PDF thumbnails problem

I cannot see thumbnails of PDF files on Windows 7 64-bit. Is there any solution to this problem?
1
vote
0answers
80 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
2answers
3k 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 ...
0
votes
0answers
20 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
49 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 ...
2
votes
2answers
881 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 ...
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 ...
0
votes
0answers
35 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 ...
40
votes
5answers
27k views

Meaningful thumbnails for a Video using FFmpeg

FFmpeg can capture images from videos that can be used as thumbnails to represent the video. Most common ways of doing that are captured in the FFmpeg Wiki. But, I don't want to pick random frames at ...
0
votes
0answers
64 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 ...
2
votes
4answers
6k views

Canon RAW (CR2) codec for Windows 7 x64

I have a Canon DSLR, and I shoot in RAW. I have no problem viewing and editing the pictures using Picasa or Lightroom, but I would like to have the pictures thumbnails in Windows Explorer, and to be ...
0
votes
2answers
54 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 ...
4
votes
7answers
7k views

Windows 7 taskbar thumbnails fail to appear

Several hours after each boot the Windows 7 taskbar thumbnail popups stops appear. Click the currently opened window (it should not be a group of windows) - it will collapse. Than hover the mouse ...
4
votes
1answer
461 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 ...
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, ...
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 ...
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 ...
5
votes
1answer
2k 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 ...
3
votes
1answer
388 views

Increase Windows taskbar thumbnail/preview size

Is there a way to increase the size of the mouse-over thumbnail size for Windows 7 task-bar items? Ie, if I have multiple file explorers open and mouse-over them it would be nice to have larger, ...
0
votes
1answer
206 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
5k 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, ...
4
votes
1answer
7k views

How to change which frame is grabbed for the finder icon of a movie file for Mac OS X Finder?

Movie files show in Mac OS X Finder with an example frame from the movie. Unfortunately, it's captured from fairly early in the movie, so that different episodes of a series, or perhaps different ...
0
votes
1answer
407 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
88 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 ...
9
votes
3answers
2k views

Make Thumbnail from video

How can I make a simple capture from a video. Preferably from the command line? Idea: take 9 snapshots for 9 even placed (on the timeline) times, and save them as JPGs Example: Movie length = 10 ...
7
votes
3answers
17k views

Windows 7 taskbar groups to use vertical menus only, not thumbnails?

I frequently have 10 or more windows of the same application (e.g. Outlook, Word, IE, etc.) open at one time. Windows 7's new taskbar grouping thumbnail feature shows a preview of open windows (aka ...
7
votes
6answers
64k views
0
votes
3answers
300 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
118 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! ...
3
votes
4answers
7k views

How to create a thumbnail from the middle of a video with FFmpeg

Is there a way to grab a video thumbnail in FFmpeg? I'd like to grab the middle-most frame as the video and use that as the thumbnail. Video duration is unknown. The ability to specify the ...
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
211 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 ...