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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28
votes
5answers
149k views

Windows 7: Image thumbnails fail to appear

All right, I've got a pretty strange one here. Since I installed Windows 7 on this machine some time ago, image thumbnails have never worked properly. For the vast majority of images, they ...
14
votes
6answers
15k 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 ...
1
vote
0answers
37 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 ...
5
votes
4answers
119 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
0answers
27 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 ...
1
vote
2answers
868 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 ...
6
votes
1answer
842 views

Is there a way to add expandable thumbnails to an MS Word document?

I want to add pictures and screenshots of a web page to a document in Microsoft Word 2007. The problem is, when I add them to my document, they occupy a lot of space and don't leave much room for ...
7
votes
3answers
8k views

Why is Thunar not creating and showing thumbnails of images?

Thunar is my main file manager. Normally it automatically creates thumbnail images of all images in the directory being viewed. After experimenting with other Linux distros then installing Arch ...
3
votes
6answers
6k 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 ...
0
votes
2answers
50 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
116 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 ...
0
votes
1answer
36 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 ...
4
votes
2answers
3k 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 ...
2
votes
1answer
55 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, ...
0
votes
1answer
42 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 ...
2
votes
1answer
105 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 ...
52
votes
8answers
48k views

Disable or delay Alt+Tab Aero Peek effect in Windows 7

In Windows 7 pressing Alt+Tab shows the transparent windows (Aero) effect. The screen change is distracting while I'm trying to figure out which window to switch to based on the thumbnail preview ...
4
votes
4answers
33k 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
1answer
149 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.
2
votes
3answers
713 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 ...
0
votes
4answers
8k views

How do you create square thumbnails for a set of images (with Photoshop?)

I want to create a gallery of images, but for the thumbnails I want them to be all one size (square or rectangular). Some of the photos are portrait and some to be landscape - but for I want the ...
2
votes
3answers
3k 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
673 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
1answer
244 views

Show picture of choice as folder thumbnail

I have lots of folders full of images from family events and it seems vista picks the worst one to show me whats in there. I usually cant tell from the image what the set is and some folders have ...
1
vote
2answers
860 views

How to generate thumbnail from .eps and .ai files?

How can I generate thumbnails from .eps and .ai (and .psd)? files and save them as a picture?
2
votes
3answers
5k views

Delete or reset thumbnails in Windows 7

I was looking in a folder while downloading a batch of images. About 1/4 of the images have bad thumbnails (its mostly or partially grey). How do i reset/delete them? I tried being clever and moved ...
27
votes
3answers
12k 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 ...
9
votes
2answers
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 ...
0
votes
1answer
639 views

How can I make the thumbnails in a window xp appear to bigger in size?

How can I make the thumbnails in a window xp to appear bigger in size? I am a designer, it would be best to quick glances over a bigger thumbnails, as what windows xp default thumbnail size is.
1
vote
0answers
193 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 ...
0
votes
1answer
84 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 ...
5
votes
4answers
26k views

How to enable thumbnail previews for my non-standard (mp4 avi mov mkv) video files in Windows 8?

I've installed the default VLC player to decode my .mp4 files but I'd like to enable a thumbnail view in the explorer. All I see at the moment is the traffic cone (the default icon for files ...
9
votes
3answers
13k 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
votes
2answers
10k views

Thumbnails not showing, cannot preview images, sometimes folders do not show up at all

When I try to preview images, nothing happens. Sometimes, all/most thumbnails do not show a preview and only show up as an icon. Sometimes when I open 'My Computer' or 'My Documents' etc. the ...
2
votes
0answers
779 views

Force Windows 7 to store thumbnails locally

I want Windows 7 to store thumbnails cache files in the same folder as the files (thumbs.db) instead of using the centralized location for all thumbnails (By default ...
-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
1answer
890 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 ...
1
vote
2answers
2k views

Mac OS X video thumbnails

Mac OS X 10.6.2 When changing the default player for '.avi'- files (from Quicktime Player to VLC), I seem to lose the 'video thumbnails' in the 'icon view' in Finder. Only a 'static vlc cone icon' ...
0
votes
0answers
276 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: ...
0
votes
0answers
289 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, ...
11
votes
3answers
6k views

Disable thumbnails in Windows XP?

Background I regularly use Windows Explorer to browse my drives and data, and I notice little freezes and hiccups at times. It's especially noticeable when browsing local or network folders with lots ...
0
votes
4answers
2k 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?
7
votes
1answer
6k views

How to generate thumbnails for less common video containers (mkv, ogm, mp4, flv, rmvb and mov) in windows 7 explorer? [duplicate]

So how to generate thumbnails for these containers? I know that the install of "DivX Plus Tech Preview: MKV on Windows 7" does it for MKV. But I think that only some registry changes are really ...
1
vote
1answer
637 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 ...
0
votes
2answers
104 views

Thumbnail screenshot of a webpage

I am just wondering how to make a thumbnail of a webpage to display ? I've seen so many websites like stumbleupon , dzone have a thumbnail images of other websites. Is there any simple way to that ?
3
votes
3answers
10k views

All-in-One Thumbnail Viewer for Windows 7 x64?

I have Windows 7 x64 installed along with Adobe Reader X, Photoshop CS5, and Illustrator CS5. I have noticed that these dont have a thumbnail generated for them. What I need is an All-in-One Thumbnail ...
0
votes
0answers
137 views

Media player with animated thumbnails on hover (Windows)

Is there a video player (or an addon for one like XBMC for instance) that provides animated thumbnails on hover with the mouse (to get a preview of what's happening in the video)?
7
votes
2answers
12k 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 ...
1
vote
1answer
4k views

Custom video icon for a single video file in windows 7 file explorer

Recently I found a video on the net ( a .mp4 file), and when I had it on my computer with Windows7, I noticed its thumbnail was not the average windows 7 video thumbnail (which looks like a piece of ...
2
votes
1answer
1k 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):