Thursday, September 18, 2014

Best 3 Tools to Add Watermark in Adobe PDF Files

Watermarks are considered as recognized or customized patterns and images endorsed somewhere on the paper to make it a personalized property. These security codes or images are clearly visible in sharp reflection of light. In the contemporary era, the watermarks are designed and added on the paper using “Dandy-Roll” and “Cylinder-Mould” process on postage stamps, currency notes, etc. Now, in this digital era, these stamps have also become digitalized and even 3D with the changing pace of time and can be seen on legal documents, pictures or personal files. In this section, we have discussed the best 3 tools to add watermark in Adobe PDF files with their features and functional capabilities. Let’s first discuss the significance of the Watermark images.

Significance of Watermarks:

Watermarks are widely used on documents and files as a medium to control the unauthorized usage to a greater extent. They are further divided into two main categories including visible and invisible watermarks. Visible watermarks are accessible to normal eyes whereas the invisible images or codes can only be detected and extracted by the authorized person. Some important aspects offered by them are mentioned here in:

  • The main purpose of adding watermarks to a document is to make it a copyright property. 
  • The digital image acknowledges that the particular element belong to an individual or an organization. 
  • It helps in minimizing the possibilities of misuse of data as there are strict laws and rules exist against the unpermitted usage of the copyright components.
  • Watermarks serves as an important elements\clues when it comes to digital forensics investigation.

Watermarks and PDF Files:

Since the PDF files are widely used as legal documents, the watermarks when added to these documents make them completely a copyrighted and a legal authority. In the digitalized world, these files are used to share confidential information worldwide, so with the combination of watermarks, they offer more security to the owner or the associated authorities.
Though there are many tools available to add these images to the document; the best 3 tools to add watermark in Adobe PDF files are:

  1. Online Tool- PDFaid Watermark Creator
  2. Offline Tool- Adobe Acrobat Pro
  3. Commercial Tool- PDF Watermark

1. PDFaid Watermark Creator 

The online tool is available for free at It endorses watermark image on the PDF document based on the assigned instructions. The tool offers various features; that are:

  • Watermark text can be chosen as per requirements.
  • Offers to choose font type, size, color and style.
  • Provision to select text position and transparency.
  • Entire procedure can be done following the simple instructions.
Since it is an efficient solution, but the limitation is that the company’s stamp is displayed on the resultant file. 

2.Adobe Acrobat Pro- A Free Utility

This is an offline tool developed by Adobe that helps to add, update, replace and remove watermarks. The utility is widely popular and offers various features such as:
  • Offers to add text as well as image as watermark on PDF files.
Adobe Acrobat Pro
  • Variety of options available in ‘Appearance’ tab to set the visual aspects. 

  • Option to set the position of the Watermark image on the document. 

  • Option to add watermark on single or multiple files at once.
  • Offers to add page range in case the watermark image is required on multiple pages.

The features and functionality delivered by the tool are efficient as it offers supplementary options such as advance appearance setting and multiple page settings.

3. PDF Watermark Tool- A Professional Solution

PDFWARE PDF Watermark Software is an advance watermark stamping tool, assembled with various impeccable features. These features are summed up in this section:
  • Option to add text as well as image as watermark on PDF document.
PDFWare PDF Watermark software
  • Option to add single file or folder containing multiple files.

  • Feature to remove the watermark stamp when required.
  • Offers customizing watermark such as font style, color, size, etc.
  • Option to set the transparency settings as per requirements.
  • Availability to scale the positioning of Watermark image on file.

  • Resultant file can be saved at user-defined location on machine.

  • Option to make new folder for saving the output file.

The tool is a proficient tool that is incorporated with all effective features. It operates in a seamless manner while delivering clarity and transparency in the watermark images. 

Conclusion: Although, there are many distinct tools available to add watermark stamps to the PDF files, but the professional tool offers more reliable features. Moreover, as the information existing in the PDF files is crucial; so are the security concerns with these files. Though the above mentioned are the best 3 tools to add Watermark in Adobe PDF files, there are tools that can be used to remove the assigned watermarks. So, to safeguard and protect the information from unauthorized elements, it becomes important to add the watermarks with the help of a secured and fully trusted tool.

Friday, July 18, 2014

How to check your Computer Hard disk for bad sectors and Hard Disk problems

Hard disk is one of the essential part of a computer, Operating system, Software and Personal data need space or storage. Hard disk provide space for all. There are many type of storage devices available in the market, Magnetic or Ordinary Hard disk, Solid state device. Scientist involve nano technologies to invent cheap and solid devices. Even though there are many variants there function is storage. It is a part of our computer. Like other parts Hard disk also prone to damage. There are many reasons for Hard disk failure. Continues usage and dusts, virus attack are some of the reason.

In this article we are writing about AOMEI, a free tool for Hard disk health check.  It can also use for Hard disk partitioning, migration and back up, free tool has limitations, use professional version to get all features.
AOMEI is one of the best tool to find and fix bad sectors, fixing bad sectors is not a possible one, but it can repair relatively small hard disk problems.
AOMEI Partition Assistant 5.5 - Hard Disk partition tool

Why AOMEI tool?
Very simple and easy to use, relatively clean graphical user interface.
Basic features available on free versions.

How to check Hard Disk bad sectors.
Start/Run AOMEI Partition Assistant standard version.

Right click on Disk1 (In which disk you want to perform health check), or right click on the partitions(C/D/E etc.).
Right click on the Disk 1 or Disk x, select surface test. If you are right click on the partitions, select Advanced then check partition. Click on the start and wait to finish. While it running, you can see Red and Green Square boxes, red means bad sector and green mean disk is Ok. There is option for fix problem, but bad sectors are not fixable, you need to change your hard disk. Small number of bad sectors are negligible, we can use same Hard disk for years, but large number will cause file corruptions, computer can’t read data/file from corrupted areas/ bad sector area.
Free Partition manager software

Once you run this software, you can see many features, they are limited, but professional edition has unlimited features. So we advise to buy professional version. This software very mush useful for Office and Enterprise fields, this tool can use to check hard disk frequently and fix problems.
AOMEI running Disk Surface Test 

If you have questions, feel free to ask on our Facebook page 

Sunday, April 13, 2014

How to reset Unity login on Ubuntu 14.04 after Kubuntu or Lubuntu desktop installation

Kubuntu(KDE), Lubuntu(LXDE), Xubuntu(XFCE), Cinnamon and Mate are popular desktop environments for Linux operating systems. If you want to use these desktops, you must install respective operating systems, for example Linux Mint for Cinnamon and MATE, Kubuntu for KDE. You can also install these desktops on Ubuntu, but it will create problems. These installtion will change default settings, Windows and icon set. Once you uninstall these desktop, you may still get same icons sets and windows style. So you need to run some extra commands to reset everything.

A few days ago, i had install Cinnamon. MATE, KDE and LXDE on my Ubuntu 14.04 LTS version. MATE,KDE and LXDE had installed but Cinnamon failed to install. After installation, problems starts to exist, I lost ubuntu icons even in Unity interface, All windows changed to Kubuntu style even in Unity interface, some are not working....Same happen in LXDE..  My system started to run on a mixture of Unity+KDE+Lubuntu.

I had spend 2 days to fix these problems, If you are a Ubuntu user, please use Unity interface, it is better than rest of them except Cinnamon and MATE. Try Linux Mint if you like Cinnamon and MATE. Don't install anyone on Ubuntu. In this article i want to tell How to restore unity login screen after Kubuntu or Lubuntu installation.

1. Open your Terminal, Enter below command

sudo apt-get purge lightdm 

2. Update repository

sudo apt-get install
3. Install lightdm

sudo apt-get install lightdm

4. Reconfigure lightdm, set lightdm

sudo dpkg-reconfigure gdm

Restart your system, you can see changes.....

Reset Ubuntu 14.04
Ubuntu lightdm login screen

Monday, April 7, 2014

How to Install Sublime Text editor 3 on Ubuntu 14.04

Sublime text editor is one of the favorite text editor among programmers and developers. It is a cross platform software that can be install on Windows , Mac and Linux. Sublime available in deb and tarball formats. .deb installer is similar to .exe file on Windows. Some time these deb packages requires dependency files,and you need to download it manually ( if it require) and need to update manually each time. This PPA hosted by famous Linux blog, they create a PPA for sublime text editor ( They also provide Oracle Java PPAs). You can install Sublime text editor 3 on you computer using these simple commands.

1. Open terminal and Enter following command ( add repository)

sudo add-apt-repository ppa:webupd8team/sublime-text-3

2. Update repository

sudo apt-get update 

3. Install Sublime Text editor 3

sudo apt-get install sublime-text-installer

Close terminal and search sublime text editor.

Sublime text editor 3 on Ubuntu 14.04
Sublime text editor 3
Sublime text editor 3

Download Sublime Text editor for Windows, Mac and Linux 

Saturday, April 5, 2014

How to install Java 8 on Ubuntu 14.04

Java JDK 8 , Java JDK 1.8 , is an essential development kit for Computer programming. It required for many programming language and IDKs. For example, If you are a PHP developer and you need PHPStorm , a great tool for PHP, required JDK. In this tutorial we write about Java 8 installation steps. Windows users can download JDK from Oracle website. JDK archive files available on Oracle website, but this method will be easier one.

1. Open terminal

2. Enter below command and add java 8 repository.

sudo add-apt-repository ppa:webupd8team/java

3. Enter password

4. Type following command to update software repository.

sudo apt-get update

5. Wait untill it complete

6. Enter last command

sudo apt-get install oracle-java8-installer

It will then connect oracle website and download files. After that it automatically install Java 8 on your system.

7. Check your Java version, Open terminal and type

javac -version

8. Set Java environment variable.

sudo apt-get install oracle-java8-set-default

Restart your computer, enjoy coding...

Thursday, April 3, 2014

How to install Bumblebee on Ubuntu 14.04 LTS

Ubuntu is third most used Operating system in the world. It is second popular Unix OS and Popular Linux operating system. I personally recommend Windows for Home / Office users, Windows is a easy to use Entertainment ready operating system. Anyway we can leave it, come to post. Power management in Linux operating system still at beginning stage, there is not good power management tool in Linux. In this area , I like Windows operating system , it has good power management system with third party softwares provided by manufactures. In this post we write about Ubuntu power management system, this is not a good one, but enough.

I use a Lenovo laptop with nVidia graphics card, on Windows we can turn off Graphics card using dedicated keys. If we can turn off graphics card it can save your battery life, you can use it for a long time. By default Ubuntu hasn't any tool, We can Bumblebee to turn of nvidia graphic card. Follow below instructions, if you have older version of Ubuntu, just search it on search bar.

1. Open terminal
Ubuntu 14.04 Terminal

2. Enter this command

sudo add-apt-repository ppa:bumblebee/stable

3. Update your repositories

sudo apt-get update

4. Enter following command and restart your computer

sudo apt-get install bumblebee bumblebee-nvidia primus linux-headers-generic

Best free Video converter software for Windows 8 and Windows 8.1

Video converters are use to convert one video format to another. It mainly used to convert videos to mobile friendly formats. It also used in big film /TV  industries.  Most of the new generation mobile phones support mp4/3GP/MPEG/AVI/WMV, It vary depend upon Mobile phone operating system, price , brand and segment, but in general all most all phones support 3GP/mp4 and AVI formats. Beside these formats modern phones support HTML 5 video formats.

Why Video converters are essential ?

You don't need any converter software to watch videos on high end phones. Some high end phones support almost all video formats, but  entry level or medium phones, doesn't support all . They have limitations. They may support , but if size go above a range , it won't support. So we need a video converter software to convert video to reduce size and also to change format.

We can see many video converters on web , free and paid versions. Paid versions mainly for big industries like film, TV, and not for home.Free versions are enough for Home users. In this article we cover free software.If you want paid software , you can either buy or use torrent websites.
warning : torrent may contain virus.

Unlike Windows 7 or old operating system , Windows 8 and Windows 8.1 support metro applications. so you will get more software / applications to convert your videos.

free video converter software

1# Miro video converter

Miro video converter is a free video converter that support almost all latest devices and  formats. Internet connection required for installation. I don't know whether they have offline installer. I use online installation step. Miro converter works on Windows , Mac and also Linux. It is a cross platform converter.Virtually it support all video formats. But in my experiments , some video formats , which generally come from adobe after effect and premier , are not supported.

Miro converter has simple user interface , you can convert videos without any confusion. If you don't know anything about video format , you can simply select device name and convert videos.It support almost all latest mobile/table devices.
Miro video converter software

Quality and size can be change, if you have little knowledge about format and quality, you can adjust these functions.

Bottom level : Miro is a simple but powerful video converter.It  belong to the modern converter softwares. Simple user interface and functionality make it suitable for all users. You don't need any extra knowledge to convert videos.
Video converter software
Download Miro converter

2# Free video converter

It is a free video converter software with lots of features. It have more features than Miro converter software.
free video converter software
Free make video converter software
Free make video converter is a great tool for convert your favorite videos to mobile or tablet friendly format. In the above shows that, this software has a  beautiful interface that make it easy to use. It support almost all video and audio formats so you  can convert any videos.

Some people reports that it take much more time  to convert videos, but if you have new processor , graphic card , it only take a view minute to convert videos. Normally , lengthy videos will take more time.
Video->select video
free make video converter software
1. Select an output format or brand name /Operating system ( to Apple etc, to Andriod)

2. Select device ( iPad 3. iPhone ).

3.Click on the gear button for setting/editing purpose.

4. Set output folder

5. Convert your videos.

Simple operation cycle.

Download free make video converter

3# Format Factory 

Format factory is another popular software for video conversion purpose.It support only Windows operating system. Important features includes large number of video format support, easy to use , simple interface and fast encoding. 3 hr video will take 1 and half hour only.

Format Factory Video converter
Very first step is decide or select your output format. Select any one from left side, All to MP4, ALL to AVI or any other. Then add your video files.

Format Factory
Then start convert.

Easy and simple. One disadvantage i notice is that, it interface look old, not interesting one.

Download Format Factory

# 4 Any Video Converter
Any Video converter software

Any video converter is  free , yet powerful video converter. It can use to convert video to all format and to all devices. Main advantage of this software is , you can see a  number of devices on  list. Just select and convert.

Device list
Any Video converter has a inbuilt video player, that can use to play videos before conversion. It also have simple video editing tools, video cutter etc...

So in our view, it also a good tool, a must have tool for Windows operating system.

Download Any Video converter

5# Simple Video Converter ( Windows 8 metro application)

Metro applications only work with Windows 8 and higher versions. It won't work on Windows 7 and Vista. As name indicate Simple converter has very simple interface.

Video converters for Windows 8
Simple Video Converter for Windows 8
- Support many video formats
- Video to MP3 and Other Audio formats

Goto Windows store and search for Simple video converter

Sunday, March 30, 2014

How to controll brightness on Ubuntu 14.04

Ubuntu 14.04 is a new version of Ubuntu operating system.It will release in next month. At this moment we use Ubuntu daily build version. Daily build versions available at Since Ubuntu 13.10, we are facing a brightness issue on Intel machines. Brightness can't control with slider. We found same  issue on Ubuntu 14.04  too, that means Developers didn't fix. Don't worry we can fix it with simple tweaks. Follow below instructions and fix it.

Open your Terminal

Enter this command, you need to enter password after that

sudo gedit /usr/share/X11/xorg.conf.d/20-intel.conf

If you are using Linux mint 16 ( Mate ) you need to replace gedit with default MATE text editor.

Enter password

You can see gedit window ( gedit text editor), add these command and save.

Section "Device"
Identifier "card0"
Driver "intel"
Option "Backlight" "intel_backlight"
BusID "PCI:0:2:0"


Gedit window
Save it and close terminal

Restart or log off your computer.

Open settings and select brightness and lock.
Adjust brightness

You can see changes while moving slider. I took photos of my desktop, but all looks similar, But you can see changes with your eyes.

This method works 100%, if you have any doubts or issues, please ask me...

Tuesday, March 18, 2014

VLC player has launched a new video player for Windows 8.1

Most popular cross platform video player VLC media player  has released a new  video player for Windows 8.1. VLC media player for Windows 8.1 haven't all functions of desktop version, but support all basic features including Music player. You can open file from both internal and external disk. Simple interface makes everything easy.  It automatically pause when you leave metro to desktop, same way once you open other metro application it automatically pause. It resume only if you return to VLC media player.

Screenshot of VLC media player
If you have Windows 8.1 spring update, everything will work better than Windows 8.1. You can close VLC media player from desktop like other desktop application. We already wrote a article about Windows 8.1.1 and installation procedure. You can download files from megaupload.

Close metro apps from desktop: Windows 8.1.1 feature
Above image shows my desktop, you can close every application from desktop. beside this feature, Microsoft also added a minimize and close button on the top of apps. Once you click close, application will terminate, and minimize button will return you to desktop like ordinary windows software.

Microsoft promise that, update will available on April, first week.

How to Install VLC media player

1. Goto Windows store

2. Search for VLC media player

3. Install VLC media player for Windows 8.1

Friday, March 7, 2014

How to get Windows 8.1.1 ( Spring Update ) Before official release

This is a great news for Windows 8.1 users, Microsoft preparing for a second update for Windows 8, Windows 8.1.1 or Spring Update. I don't know whether it has any internal code name like Windows 8 blue . While we are writing, Microsoft took down important update links, but don't worry we uploaded to many other websites including torrent. I think you will get 7chip's torrent or Box link soon. Windows 8.1.1 have lots of changes in metro and desktop. They improve Bing, Bing Map, Software centre etc.. There is a rumour that , they may include siri like software on Windows 8.1.1, Windows 8.1.1 RTM and Windows phone 8.

Windows 8.1.1 update will show you metro application icons on Desktop taskbar, In Windows 8 and Windows 8.1 you can't see Metro application icons on  desktop taskbar. There are lots of other changes including a dedicated shutdown button and search button on the top-right side of metro desktop.We will update details soon.

Install order: KB2919442
It's important to follow this order exactly!,I recommend rebooting after each MSU. I didn't follow above steps. I had installed in a random way. But follow above order.

I will show you some interesting Windows 8.1.1 feature, Watch our video first.


New items on Metro desktop

Windows store icon on the taskbar
Minimize, Close for Metro application 


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