On the Mac for instance, it is under $HOME/Library/Application Support/Google/Picasa3/db3 Rather confusingly, the.db files don't contain the database, they are just containers that hold thumbnail previews for various groups of images. They are in the standard Windows thumbs.db format, more information from this answer. IT Samples - personal site of Igor Tolmachev. MAC Address Changer. Thumbnail Database Viewer enables you to view thumbnail cache which is used by Windows to speed up the display of thumbnails in folders (thumbs.db, ehthumbs.db, thumbcache.db files).

Publisher Description

Thumbs.db Viewer was written to give the computer user tools to reconstruct Thumbs.db, ehthumbs.db, thumbcache_*.db (Windows Vista,Windows 7) and iconcache_*.db (Windows 8/10) database records.
Thumbs.db is a hidden system file generated automatically by Windows when you view the contents of a folder in 'Thumbnail' or 'Filmstrip' view. Thumbs.db contains a copy of each of the tiny preview images generated for image files in that folder so that they load up quickly the next time you browse that folder.
Thumbs.db is actually a database of the miniature images that exist in the folder from which they were initiated. The early versions of Thumbs.db files as they appeared in Windows ME/W2k contained not only the thumbnail image of the parent file, but also the filename, drive letter, and path to that image. Later versions, Windows XP, store the image and its filename but not the path. In Windows Vista/7/8/10 the Thumbs.db file has been replaced by several 'thumbcache_*.db' files which are now located within the user`s profile.
Deleting the Thumbs.db file in Windows has no affect on your operating system: the Thumbs.db file is recreated in each folder each time you view thumbnails.
Even though the images have been deleted in the folder they could still exist in the Thumbs.db file along with their modification dates.
Thumbs.db Viewer allows displaying Thumbs.db (thumbcache_*.db,iconcache_*.db) database records as well as the miniature graphics generated in each (with metadata); collects all the thumbcache files in and below the specified folder; searches the Recycle Bin for deleted thumbcache files; extracts and views all or selected pictures as HTML representations; view with external image viewer any of the original file corresponding to stored in an Thumbs.db thumbnail`s metadata (if it exists); view the image in full size or as the best fit for program`s window; rotate images; the program can search swap and hibernation files for a JPG

Program Details

General
Publisher	Janusware Ltd.
Released Date	2015-11-11
Languages	English, French, German, Russian

Category
Category	Graphic Apps
Subcategory	Viewers

System requirements
Operating systems	other, windows

Download information
File size	5.66 MB
Total downloads	6616

Pricing
License model	Free Trial
Price	$29.99

Version History

version 3.6

add support for Windows 10

version 1.4

There are 17 other file types using
the DB file extension!

.db - Database file [common]

.db - ArcView object database

.db - DIGIBooster module

.db - Various data files

.db - Corel Paradox database

.db - SmartWare data

.db - Synopsys Design Compiler data

.db - Microsoft Works data

.db - S.T.A.L.K.E.R. X-Ray engine database

.db - Psion Series 3 database

.db - dBASE IV/dBFast configuration

.db - Mozilla (Netscape) client certificate

.db - Novell GroupWise address book database

.db - Apple Safari cache database

.db - Atari Jaguar debugger script

.db - WhatsApp Messenger message database

.db - Enpass encrypted database

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DB file extension- Windows thumbnail database

What is db file? How to open db files?

File type specification:

db file icon:

The db file extension is also commonly found as various thumbnail databases found across all kind of versions of Windows operating system under different file name.

Thumbnail database is used to store thumbnail images for faster view of images in directory, because thumbnails are smaller and can be loaded faster then original images.

You can find them as following files:

• thumbs.db
• ehthumbs.db
• ehthumbs_vista.db
• image.db
• video.db
• TVThumb.db
• musicThumbs.db

Added in Windows Vista:

Thumbs.db file has been replaced by a number of 'thumbcache_*.db' which are now located within a user's profile

• thumbcache_32.db
• thumbcache_96.db
• thumbcache_256.db
• thumbcache_1024.db
• thumbcache_sr.db
• thumbcache_idx.db files

Added in Windows 8:

• thumbcache_16.db
• thumbcache_48.db
• thumbcache_wide.db
• thumbcache_exif.db
• iconcache_16.db
• iconcache_32.db
• iconcache_48.db
• iconcache_96.db
• iconcache_256.db
• iconcache_1024.db
• iconcache_sr.db
• iconcache_wide.db
• iconcache_exif.db
• iconcache_idx.db

Added in Windows 10:

• iconcache_1280.db
• iconcache_16.db
• iconcache_1920.db
• iconcache_256.db
• iconcache_2560.db
• iconcache_32.db
• iconcache_48.db
• iconcache_768.db
• iconcache_96.db
• iconcache_custom_stream.db
• iconcache_exif.db
• iconcache_idx.db
• iconcache_sr.db
• iconcache_wide.db
• iconcache_wide_alternate.db
• thumbcache_1280.db
• thumbcache_16.db
• thumbcache_1920.db
• thumbcache_256.db
• thumbcache_2560.db
• thumbcache_32.db
• thumbcache_48.db
• thumbcache_768.db
• thumbcache_96.db
• thumbcache_custom_stream.db
• thumbcache_exif.db
• thumbcache_idx.db
• thumbcache_sr.db
• thumbcache_wide.db
• thumbcache_wide_alternate.db

The default software associated to open db file:

Company or developer:
Pierre-Emmanuel Gougelet

A free (for non-commercial purposes) powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats and also supports export to 70 different file formats. It works on Windows, Linux and macOS (OS X).

Related articles:

Help how to open:

A lot of viewers can view the thumbnails found inside these databases.

How to convert:

Various image viewers can access these databases and extract the thumbails.

Find conversions from db file:

List of software applications associated to the .db file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open db file, edit db file, convert db file, view db file, play db file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting db files.

Software that open db file - Windows thumbnail database

Programs supporting the exension db on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open db file action.