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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3k 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 ...
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2answers
256 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 ...
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0answers
1k views

optimise FFMPEG live stream THUMBNAIL

After testing many possibilities, I have a perfect command line for creating thumbnails from a live stream: ffmpeg -i rtmp://srvIp/h264.stream -r 1 -an -updatefirst 1 -y thumbnail.jpg It refreshes a ...
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0answers
421 views

Thumbnails in Chrome does not show up

This is my Chrome's homepage. Whenever I start Chrome or open a new tab, this page appears. The page thumbnails just does not show up. Although the page icons and titles are proper. I figured that ...
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3answers
866 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 ...
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1answer
1k views

Create thumbnails with 80% height of the input using FFmpeg

I want to take a screenshot/thumbnail from a clip whose size is 1024×780, but I don't want the entire height. I just want the screenshot to take 768 × 80% of the height. This is because ...
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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 ...
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1answer
202 views

In Mac OS X how to define the thumbnail for a specific file type?

I have many files with the file extension ".dat". I wish to assign a thumbnail to these files with this extension because the default one is of very low resolution and is disturbing when working. I ...
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1answer
239 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, ...
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5answers
54k 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
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1answer
4k views

No thumbnails for files on the network in Windows 8 explorer

I have a fresh Windows 8 machine which I just unwrapped, but after moving all of my files to a NAS box I have lost all thumbnails in explorer. I browse to the folder and all my JPEGs just have a ...
33
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4answers
17k 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 ...
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0answers
425 views

Windows 8: Video preview only shows first frame

I just switched from 7 to 8, but it seems MS changed the way the explorer displays the video preview icons. I think that 7 skipped into the video a few frames, or even took a frame with more colour? ...
3
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0answers
452 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
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0answers
579 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
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2answers
776 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 ...
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0answers
302 views

How to copy desktop thumbnail for pictures on Windows 7

I noticed how smooth the thumbnails are on the desktop for any images placed on it. Is there any way I can copy the thumbnails or save them as an image of their own? Preferably in PNG format. Or a ...
8
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4answers
30k 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 ...
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1answer
2k views

How to create thumbnail image from .flv video by using ffmpeg ?

I am using following command to create thumbnail image from flv video , image is created but with error (image doesn't open) ffmpeg -ss 00:00:10 -i output.mp4 -f image2 -s 150x150 -vframes 1 -c:v ...
3
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1answer
3k 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
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1answer
850 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 ...
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2answers
2k views

How to remove Facebook thumbnails from Windows 8 People app

I'm experimenting with Windows 8. There's still a lot I don't know how to do. I've loaded it onto a work tablet, and signed in using my Windows Live account. My Live account is linked to my Facebook ...
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4answers
5k 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 ...
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1answer
713 views

Windows Explorer not showing film frame for .mp4

Anyone knows what part of registry is related to this film frame? I installed and uninstalled mp4box, avidemux, YAMB try to set default aspect ratios but failed, and now I have a new problem.
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2answers
842 views

show .jps 3d image file thumbnails in folders on windows 7 x64

A .jps file is a 3d image file which in reality is a jpg with leftright images joined (JPEG Stereoscopic) Months ago i found a registry hack for windows that enabled explorer to show the thumbnails ...
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1answer
56 views

Firefox 13+, how to load new tab thumbnails from current tab?

Sometimes I end up with 20+ tabs, and if I'm on tab number 2 and I finish my business with that tab, to open a new tab with thumbnails I have to hit CMD-T, but that opens the new tab at the far end. ...
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0answers
242 views

How to show thumbnails in the “new tab” page in Firefox 13+?

When opening a new tab in Firefox, I see no thumbnails: It's exactly what is described in this ghacks post (see the photo), but taking the steps they say does not solve the problem. I don't erase ...
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1answer
5k 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 ...
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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
2answers
5k views

How can I speed up the viewing of folder with many video files [duplicate]

Possible Duplicate: Is there a way to increase how much is cached for thumbnail views of pictures? I have a folder with many videos of my family and each time I open the folder I wait for ...
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1answer
712 views

How do I see images in Windows Explorer (Windows 7) Name column as pictures rather than generic icons?

I've read all the solutions given in this forum and changed Organize > Folder and Search Options: View Tab from the default of the option "Always show icons, never thumbnails" from checked to ...
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1answer
2k views

Increase maximal thumbnail size in Windows Explorer

I would like to inspect images in Windows Explorer on W7 in greater detail on a big screen. Thumbnails are by default limited to ~ 256x256 px. Is there a way to increase the upper bound or some 3rd ...
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1answer
707 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.
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1answer
487 views

Windows 7 explorer thumbnails stop loading

So my thumbnails in explorer work fine when I restart my computer, however, eventually they stop loading. Even the preview pane will no longer update... for any type of file. And occasionally the ...
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1answer
848 views

Altering the Windows 7 grouping thumbnail preview

I like the windows 7 grouping behaviour for multiple similar windows, except when I have multiple Explorer windows open. In this case, showing thumbnails of each open explorer window is next to ...
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0answers
153 views

Turn off TaskBar Thumbnails on Windows 7 - Classic Theme [duplicate]

Possible Duplicate: How to disable windows 7 taskbar thumbnails preview? Aero peek is turned permanently on.How to turn it off? Is there a way to get rid of the annoying thumbnail ...
2
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0answers
845 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 ...
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0answers
150 views

Win+E vs explorer command - the difference?

The background is that I wanted Windows Explorer to remember file / folder icons position in thumbnail view in one specific folder. As I often use Total Commander to browse through the files, I've ...
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1answer
597 views

Thumbnail view freezes in windows XP explorer

When I try load on an XP machine Thumbnail view of folder that has few hundred (over 200 hundred) PDFs and JPGs in it, the I get explorer window that is not responding. It is fine if there only few ...
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2answers
601 views

How can I generate a set of thumbnails of equal size without padding?

I am looking for a thumbnail generator which will allow me to batch process hundreds of images and generate thumbnails of a specific size (200x150). IrfranView kind of does this, but it will matte my ...
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0answers
675 views

How do I disable thumbnails for TIF files only?

The TIFF bug has been around for years: The system freezes for minutes when going near large (above 700 MB - 1 GB) TIFF files with layers and compression. Microsoft doesn't seem to be able to fix this ...
3
votes
1answer
114 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 ...
4
votes
1answer
5k 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 ...
2
votes
0answers
223 views

Disable Windows Thumbnails for Specific Folders

I know there are methods for Disabling thumbnails in Windows. But, I actually don't mind the feature, especially since Windows caches the thumbnails after the first pass. But, I have directories ...
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1answer
372 views

Forcing Windows 7 to always compute thumbnails for icons that are displayed on a given folder

First, a bit of background: I often find myself opening folders that contain thousands of images. When I open a folder for which thumbnails have not been generated, Windows usually notices the ...
19
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6answers
20k 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 ...
2
votes
2answers
1k 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
1answer
217 views

How to create thumbnails with ExactImage?

I'm trying to create thumbnails using ExactImage command-line tools. I need the output images to be with equal dimensions like 100x100 or 200x200. Can somebody help with that?
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0answers
338 views

How to refresh Taskbar Thumbnails after Aero was turned off and on again?

I use the radmin remote software that turns off Aero when it runs. When I exit, Aero turns back on, but all of my taskbar thumbnails are gone until I manually restore each window – a royal pain! ...
2
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1answer
108 views

Permanently store thumbnails of images on Windows

When viewing a folder of images in "Large Icons" mode, I often see the thumbnails slowly regenerate. How do I permanently store those thumbnails so I don't have to wait ages whenever I open a folder? ...