The photo viewer built into Windows is convenient, because it comes with the system. But its functionality is really limited. To efficiently deal with your thousands of photos, you need a powerful application with functions of organization, retouching and printing, such as those we present.
NO. 1 FASTSTONE VIEWER 4.8
Faststone Viewer is a simple, rapid implementation and has no problems even if you open folders with several thousand photos. It offers basic retouching functions and supports image rotation, thumbnail sheet creation and batch conversion. There as a portable version here, which is great because you can put it on a flash drive along with your pictures and you will always have a viewer by hand, on any computer.
NO. 2 XNVIEW 2.0
XnView supports more than 500 different formats of graphic formats and is capable of converting almost all other different. It has speed-organization, fully customizable view thumbnails and EXIF or IPTC an editor for your digital photos. Exists for many platforms (Windows, Linux and Mac) and has half a dozen satellite mobile apps that let you add effects to your photos on your iPhone or Android, escalate, or envejecerlas, etc. Download it from here.
NO. 3 IRFANVIEW 4.35
This is one of the viewers lighter and faster photos 5. addition to its own display functions, IrfanView allows drawing on images, save presentations in EXE format your photos, send them by e-mail, trim, etc. Supports batch processing and supports plugins, so you can greatly extend its functionality. Comes as a single EXE file, so that also is portable. You can download it from their website.
NO. 4 PICASA 3.9
This viewer is much more than that. Picasa offers advanced management features photos, lets show them on a map, label them, group them, create cards and other stationery. It has facial recognition of individuals from a photo and gives you access to online photo storage service from Google. It has a great interface and direct connection to Google+. Operating speed in some cases left to be desired, but with the amount of features offered is the least that could be expected. Download it from Google.
NO. 5 COMICSVIEWER 2.07
ComicsViewer is a viewer of something special images. Although you can use it perfectly for any type of photo and, in fact, is very efficient and fast (because it is a very simple program), actually this application is specialized to display scanned pages (comics, for example). It has a special display in portrait mode. Another interesting detail is that it allows direct visualization of images that are compressed in a ZIP or RAR file. You can download the portable version directly from here.