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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50
votes
8answers
47k 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 ...
41
votes
6answers
40k views

How can I suppress those annoying Thumbs.db files in Windows Vista and Windows 7?

In Windows XP, there used to be a folder setting like "Do not cache thumbnails." I can't seem to find something similar for Windows Vista and Windows 7, and every folder on my network containing a ...
25
votes
3answers
10k 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 ...
23
votes
5answers
132k 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 ...
13
votes
6answers
13k 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 ...
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 ...
11
votes
2answers
6k views

How do I disable (video) thumbnails in Windows 7?

I'd like to turn off Windows 7 (video) thumbnails displayed in Explorer. I found this solution for Windows XP but it doesn't work for Windows 7 ("The module shmedia.dll failed to load"). Disable ...
9
votes
3answers
12k 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?
9
votes
7answers
24k 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?
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 ...
8
votes
4answers
2k views

Turn off thumnails on a specific drive (Windows 7)

Is it possible to prevent thumbnails from being generated on a specific disk drive? This would be useful for several reasons, one being performance (on optical drives), the other privacy (some ...
7
votes
5answers
50k views

How to get thumbnail view for Photoshop (psd) in Windows 7 64 bit OS?

How to get thumbnail view for Photoshop (.psd) in Windows 7 64 bit OS?
7
votes
2answers
11k 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
2answers
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 ...
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 ...
6
votes
2answers
7k views

How to update a Google Chrome “Speed Dial” thumb?

"Speed Dial" is the New Tab page in Google Chrome, where it shows thumbnails, which are links the most visited sites. One of the sites drastically changes its appearance and I want that the thumb to ...
5
votes
4answers
81 views

DVDRom full of JPGs locks XP indefinitely

I have a DVD filled with about 3.5GB of large picture files (jpgs about 4mb each). Every time I insert this disc into my computer and select the drive from explorer, it will lock up the explorer ...
5
votes
2answers
14k views

How can I delete the thumbnail cache?

I would be very thankful for advice on how to delete the thumb cache files in Windows Vista without a reboot. They are stored in this folder: ...
5
votes
4answers
7k views

Windows Explorer crashes whenever I view a folder with an MP4 (H.264) video file in 'Large Icons' view (shows thumbnails)

Whenever I view a folder which contains .MP4 (H.264) video files in large icon view (shows thumbnails), Windows 7's Explorer crashes. Explorer loads for a few seconds, the green progress bar shows up, ...
5
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 ...
5
votes
3answers
4k views

Automatically generate thumbnails for all subfolders of a directory in Windows 7?

Is there some way to get explorer to generate thumbnails without actually having to navigate and scroll through every folder? All I could get was a command prompt script that would load an explorer ...
5
votes
1answer
748 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 ...
4
votes
4answers
24k 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 ...
4
votes
6answers
6k views

Thumbnail generator software for Mac OS X?

I need a "good" thumbnail generator for Mac. Any suggestions? Some criteria: Must support common image formats(ie png,jpg,etc.). Easy to use. Support large image files. Free and/or not crippled. ...
4
votes
4answers
30k 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 ...
4
votes
2answers
3k views

Is it possible to “preload” all thumbs.db files in a directory?

Kind of a weird question I guess :p Was just curious to if there is a way I can preload all thumbs.db files in directory (and its sub-directories) so that when I visit those folders later in explorer ...
4
votes
1answer
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 ...
4
votes
1answer
4k 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 ...
4
votes
2answers
2k views

How to sort Windows 7 taskbar thumbnail previews?

Here is a screenshot of the list of windows I have stacked in my Windows 7 taskbar. This is just for Explorer, but similarly I have lots of stacked windows of other processes as well. Currently ...
4
votes
1answer
186 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 ...
4
votes
0answers
311 views

Changing default behavior of Windows' thumbnail caching [duplicate]

I find it extremely annoying (and ultra lame) that Windows Explorer will only generate thumbnails for those files whose names are visible in the window. If I open a folder full of photos and walk ...
3
votes
4answers
12k views

How does one get Vista to display .MOV thumbnails as a frame from the movie?

I've discovered that the Windows Vista Explorer shell does not display proper thumbnails for .MOV files. As an example, a .JPG file will be shown in the Explorer shell thumbnail mode as a scaled down ...
3
votes
1answer
2k views

How are thumbnails stored on Mac OS X?

I have noticed that thumbnails on Mac OS X don't seem to be generated every time I open a folder, but to be somehow "cached" instead. I wasn't able, however, to find a folder where they clearly look ...
3
votes
3answers
9k 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 ...
3
votes
2answers
22k 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....
3
votes
5answers
5k 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 ...
3
votes
1answer
10k views

Video Thumbnails using ffmpeg

I'm looking for a nice short easy way to create a series of thumbnails for any given video file. I'm almost there using ffmpeg, here's what I have: ffmpeg -i /tmp/video.avi -r 1 -ss 60 -r 1 ...
3
votes
1answer
109 views

Is there such a concept as “dead thumbnails” in Windows?

I realised that in disk cleanup (cleanmgr.exe) there is an item "Thumbnails": Windows keeps a copy of all of your picture, video, and document thumbnails so they can be displayed quickly when ...
3
votes
1answer
732 views

How to make Opera display full zoomed-out thumbnails like it used to?

Since a few versions ago, Opera has started displaying unscaled thumbnails in speed dial, which I find invariably useless, most sites only showing a bit of logo and a header. I would like to return to ...
3
votes
1answer
4k views

Use later frame for video thumbnail in Windows 7

I've got a collection of videos and most of the thumbnails generated are useless as they are of a frame very early on, in most cases the title sequence. Is there any registry setting or something to ...
3
votes
0answers
364 views

How to properly embed a preview into EPS for use in MS Word?

I know that EPS is not the best format for MS Word. Unfortunately I'm forced to use MS Word and EPS is the format I have most figures in. I'd prefer to stay with EPS in case I make other LaTeX ...
3
votes
0answers
457 views

How to show icons for some file types and thumbnails for others?

How can I control which file types are shown as thumbnails and which as icons? I do think that showing these tiny little thumbnails for things like text file or spreadsheet is utterly stupid. You ...
3
votes
2answers
692 views

Refresh “Most visited” pages previews

On OS X 10.8 I'm using Chrome 23.0.1271.64, the latest version as of today. The "Most visited" page thumbnails show content which completely outdated since months, though I visited the pages in the ...
2
votes
3answers
1k views

How can I play a FLV file in Windows Media Player?

I'd like to play Flash video or "FLV" files in Windows Media Player. I've done this before using codec packs like K-Lite and CCCP, but I've found they cause too many problems and I'd really like to ...
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 ...
2
votes
4answers
4k 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 ...
2
votes
5answers
36k views

Thumbnails for video files are not showing in Windows 7

When I open my video folder, the thumbnails aren't showing. Instead, the default VLC icon was being displayed. Other files and image thumbnails are being displayed properly, only the videos have ...
2
votes
2answers
930 views

How can I extract stills from a movie?

I would like to make a flipbook from a movie I made on my Mac. Is there any software that will extract, say 100 representative frames from 2 minutes of motion, or do I need to make screenshots ...
2
votes
3answers
641 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 ...
2
votes
1answer
1k views

disable thumbnail creating or move thumbnail directory with Fedora

I'm on a shared system and have very little space my home directory; can I move the .thumbnails folder somewhere, or disable thumbnail creation? I notice most when I use Eye of Gnome to view many ...