In your Windows computer, File Explorer may not display PDF thumbnails, and instead show only the default icon assigned for PDF files. This might happen even if you’ve the option Always show icons, never thumbnailsunchecked in the View tab of Folder Options dialog.

1. Pdf Thumbnail Software
2. Gaming Thumbnail Creator
3. Pdf Thumbnail Preview

This article tells you how to enable PDF thumbnails as well as the PDF preview capability (for the Preview pane) in File Explorer, assuming that you’re using Adobe PDF Reader.

1. PDF Thumbnail Generator. Create thumbnail for your PDF files. Thumbnail can be generated from a bitmap (.BMP) or a JPEG (.JPG) or even a EMF (Encapsulated Meta File). When thumbnails are created and embedded into your PDF files, you will see the thumbnails displayed on the left column of your PDF Reader or Viewer (usually Adobe Reader).
2. The Spark free thumbnail creator provides you with a sidebar with a range of very different examples of themes, as well as sliders you can use to shape your own design. Choose an Image For a YouTube thumbnail background, you may want to choose one image from your video that’s bright and clear, with a close-up subject.

Create thumbnail for your existing PDF files. Thumbnail can be generated from a bitmap (.BMP) or a JPEG (.JPG) or even a EMF (Encapsulated Meta File). When thumbnails are created and embedded into your PDF files, you will see the thumbnails displayed on the left column of your PDF Reader or Viewer (usually Adobe Reader). PDF Preview for Windows 10 to enable PDF thumbnail preview PDF Preview for Windows 10 is a free add-in for File Explorer to generate and show thumbnail preview for PDF files. In addition to thumbnail preview, PDF Preview for Windows 10 utility also enables preview for PDF files in File Explorer of Windows 10.

Editor’s note: On the other hand if you’re using Foxit PDF Reader, check out their documentation PDF previews are shown as icons instead of thumbnails in Explorer and then see PDF previews are not shown as thumbnails in File Explorer.

In the earlier link, you’re provided a link to download the Foxit thumbnail handler shell extension FoxitThumbnailHndlr_x64.dll and the second link tells you how to register it. Please note that you’ll always need to use the administrator Command Prompt to register DLL files.

[Fix] PDF Thumbnail and Preview Not Showing Up in File Explorer

Adobe Acrobat Reader includes the thumbnail extractor as well as a preview handler shell extension which generates PDF thumbnails as well as file preview in the Preview pane in File Explorer. PDF thumbnails can be enabled or disabled via Adobe Reader’s Preferences dialog.

Enable or Disable PDF “Thumbnails” in File Explorer via Adobe Preferences

Open Adobe Reader, click Edit, Preferences. Under “General”, enable the option Enable PDF thumbnail previews in Windows Explorer.

Note:Free unlimited time management games. If you’ve chosen to disable PDF thumbnails, existing PDF files may still show thumbnail preview from the cache. The thumbnail cache needs to cleared using Disk Cleanup.

PDF Thumbnails and Previews after installing Adobe Reader DC.

Enable or Disable PDF “Preview” in File Explorer Preview pane

When you install (or reinstall) Adobe Acrobat Reader DC, thumbnail extractor as well as the Preview handler are registered automatically.

To disable PDF file preview in File Explorer preview pane, use these steps:

1. Launch Regedit.exe and navigate to the following branch:
2. From the File menu, choose Export… and backup the branch to a REG file.
3. Right-click the GUID for Adobe PDF Preview Handler which is usually {DC6EFB56-9CFA-464D-8880-44885D7DC193} and choose Delete.
4. Click Yes when prompted for confirmation.
5. Exit the Registry Editor.
6. Logoff and login back for the change to take effect.

Pdf Thumbnail Software

To enable PDF Preview handler, add the value {DC6EFB56-9CFA-464D-8880-44885D7DC193} back or merge the REG file you backed up in Step 4 above.

Automate Using REG Files

To automate enabling or disabling PDF previews as well as PDF thumbnails in File Explorer, you can use these .REG files. Download pdf-thumb-preview.zip, unzip and extract the files to desktop. Run the appropriate REG file to enable or disable PDF thumbnails, enable or disable PDF preview in File Explorer Preview pane.

That’s it! This should fix the File Explorer PDF thumbnail problem in Windows.

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About the author

Ramesh Srinivasan founded Winhelponline.com back in 2005. He is passionate about Microsoft technologies and he has been a Microsoft Most Valuable Professional (MVP) for 10 consecutive years from 2003 to 2012.

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A thumbnail image is a small version of an image. You can create a thumbnail image by calling the GetThumbnailImage method of an Image object.

Example

The following example constructs an Image object from a JPG file. The original image has a width of 640 pixels and a height of 479 pixels. The code creates a thumbnail image that has a width of 100 pixels and a height of 100 pixels.

The following illustration shows the thumbnail image:

Note

In this example, a callback method is declared, but never used. This supports all versions of GDI+.

Gaming Thumbnail Creator

Compiling the Code

Pdf Thumbnail Preview

The preceding example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. To run the example, follow these steps:

1. Create a new Windows Forms application.

2. Add the example code to the form.

3. Create a handler for the form's Paint event

4. In the Paint handler, call the GetThumbnail method and pass e for PaintEventArgs.

5. Find an image file that you want to make a thumbnail of.

6. In the GetThumbnail method, specify the path and file name to your image.

7. Press F5 to run the example.

   A 100 by 100 thumbnail image appears on the form.

   Workplace 2013 is the newer version launched by Microsoft after successful and professional release of Office 2010.

See also