Major OS’s like Windows and OS X come with   Inwindows  XP or window OS X  have the  inbuilt screen capture tools and they help us to share what we see on the screen with the help of  PrtScn key to take full screenshot of your screen.If you are not satisfied with the inbuilt screen capture tools, if you want to do a little more you have to grab a third-party tool with the our collection of best free web-based/online and offline screen capture tools for Windows and Mac.
 screen capture tools are always  free tool. But they will differ depending upon the features.These tools allow you to capture screenshot of specified size, entering text, drawing sketches, video and audio capture and much more

In this article i discuss about various screen capture tools .which will let you capture a full web page.

Skitch

 

Skitch is a good screen capture tool can be invaluable to us.  it is free to use.you can able to Take screenshots of specific areas or the entire screen.

you can Annotate ,Draw,Resize, crop, flip, and rotate screenshots/images and Automatic archival of your screenshots/images for later use.
you can Take photos with your built-in webcam.Open and save images in many different formats.you can Easily share screenshots/images to Facebook and Twitter.Automatically upload your screenshots to the skitch.com web site or to a location of your choice (e.g. Flickr, an FTP server, etc.). skitch is available in OS X, Windows, iOS, Android.

Jing 

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Jing is the best and Free screen shot tool. from the  Techsmith,.comes from the same people who make Snagit. It’s similar, but with fewer features, and focuses on the online and social aspects of sharing your screen. One big advantage it offers is video and the image capture option and also allows you to select selected area of the webpage. Jing can also send screenshots directly to Flickr or your FTP server.Jing is available for Mac as well as Windows.

Paparazzi

 

Paparazzi is a small utility for Mac OS X that makes screenshots of webpages.it offers a simple way to capture a website screenshot, recording the entire contents of the page. You can set the simulated browser size and choose to crop the image if desired. It is also possible to build a command-line script around Paparazzi, automating the process.it is  Free to use and is available in Mac OS X Version 10.6.8 or higher

 

PicPick

 

: PicPick is l to take screenshots of an entire screen, an active window, the scrolling windows and any specific region of your desktop, But I didn’t find it very useful at the time of taking entire web page screenshot. But it has  Full-featured screen capture tool, Intuitive image editor, color picker, color palette, pixel-ruler, protractor, crosshair, whiteboard and more.it is available in windows and free offline tool.

 

 InstantShot

 

InstantShot is an advanced but freeware application for Mac OS X .InstantShot offers classical screenshot functionality for capturing the whole screen, a portion of it or a window and also the option to make timed screenshots or to make delayed captures over time. InstantShot creates an icon in the menu bar. Clicking on the icon, a menu will appear.It offers a wide range of preferences and options to fit everyone’s needs. that sits in your menu bar and gives you a myriad of screen capturing options, including capturing a region, hotkeys, several output formats, image scaling and many others.

Thumbalizr

 

Thumbalizr  is a  the online snapping tool You have to wait for 26 seconds before you get the snap shot, but the best part is here you have two options one is screen and another one is page.  Selecting screen will only take screenshot according to your screen, but selecting page will provide you full-page image.

 select page or screen option and click thumb it. Wait for few seconds then click on your desired screen resolution to get the image.