FREE Javascript Base Converter - decimal,binary,octal,hexadecimal number conversion

About

Javascript base converter is used for number conversion,base conversion.Decimal,binary,hexadecimal,octal number conversion.

Features

a) You can convert a number to decimal,binary,octal,hexadecimal value using this javascript.
b) Just copy the code and use it.
c) This Base converter is for free use.

Preview

Base Converter

Enter a number in any one of input box

Code

Javascript Code

<!-- Script by hscripts.com -->

<script type="text/javascript">
function dconvert()
{

	var dnum=parseInt(document.getElementById("deci").value);
	var dno=new Number(dnum);
	if(!isNaN(dno))
	{
	document.getElementById("bin").value=dno.toString(2);
	document.getElementById("oct").value=dno.toString(8);
	document.getElementById("hdeci").value=dno.toString(16);
	}
}
function bconvert(bn)
{
	var len=bn.length;
	var tot=0;
	var i,j;
	for(i=0,j=len-1;i<len;i++,j--)
	{	
		tot=tot+parseInt(bn.charAt(i))*Math.pow(2,j);
	}
	var dec=new Number(tot);
	document.getElementById("deci").value=dec;
	document.getElementById("oct").value=dec.toString(8);
	document.getElementById("hdeci").value=dec.toString(16);

}
function oconvert(oc)
{
	var len=oc.length;
	var tot=0;
	var i,j;
	for(i=0,j=len-1;i<len;i++,j--)
	{	
		tot=tot+parseInt(oc.charAt(i))*Math.pow(8,j);
	}
	var dec=new Number(tot);
	document.getElementById("deci").value=dec;
	document.getElementById("bin").value=dec.toString(2);
	document.getElementById("hdeci").value=dec.toString(16);

}
function hconvert(hd)
{
	var len=hd.length;
	var tot=0;
	var i,j;
	for(i=0,j=len-1;i<len;i++,j--)
	{	
		ch=hd.charAt(i);
		if(ch=="a" || ch=="A")
		{	
			tot=tot+10;
		}
		else if(ch=="b" || ch=="B")
		{
			tot=tot+11;
		}
		else if(ch=="c" || ch=="C")
		{
			tot=tot+12;
		}
		else if(ch=="d" || ch=="D")
		{
			tot=tot+13;
		}
		else if(ch=="e" || ch=="E")
		{
			tot=tot+14;
		}
		else if(ch=="f" || ch=="F")
		{
			tot=tot+15;
		}
		else
		{
			tot=tot+parseInt(hd.charAt(i))*Math.pow(16,j);
		}
	}
	var dec=new Number(tot);
	document.getElementById("deci").value=dec;
	document.getElementById("bin").value=dec.toString(2);
	document.getElementById("oct").value=dec.toString(8);

}

function dncheck(event,no)
{
var kc;
if(window.event)
{
	kc=event.keyCode;
}
else
{
	kc=event.which;
}
var num=no.value;
if (kc!=8 && kc!=0)
{
	if (kc<48||kc>57)
	{
		return false;
	}
} 

}
function bncheck(event,no)
{
var kc;
if(window.event)
{
	kc=event.keyCode;
}
else
{
	kc=event.which;
}
var num=no.value;
if (kc!=8 && kc!=0)
{
	if (kc!=48 && kc!=49)
	{
		return false;
	}
} 

}

function oncheck(event,no)
{
var kc;
if(window.event)
{
	kc=event.keyCode;
}
else
{
	kc=event.which;
}
var num=no.value;
if (kc!=8 && kc!=0)
{
	if (kc<48 || kc>55)
	{
		return false;
	}
} 

}

function hncheck(event)
{
var kc;
if(window.event)
{
	kc=event.keyCode;
}
else
{
	kc=event.which;
}

	if (kc>=65 && kc<=70)
	{
		return true;
	}
	else if (kc>=97 && kc<=102)
	{
		return true;
	}
	else if (kc>=48 && kc<=57)
	{	
		return true;
	}
	else if (kc==8)
	{	
		return true;
	}
	else if (kc==0)
	{	
		return true;
	}
	else
	{
 		return false;
	}
}


</script>

<!-- Script by hscripts.com -->

HTML Code

<!--        Script by hscripts.com          -->
<!--        copyright of HIOX INDIA         -->
<!-- Free javascripts @ http://www.hscripts.com -->
<!-- Script by hscripts.com -->

<form>
<table>
<tr><td align="right">
Decimal:</td><td><input type="text" name="deci" id="deci" onkeyup="dconvert()" onkeypress="return dncheck(event,deci)"></td></tr>
<tr><td align="right">Binary:</td><td><input type="text" name="bin" id="bin" onkeyup="bconvert(this.value)" onkeypress="return bncheck(event,bin)"></td></tr>
<tr><td align="right">Octal:</td><td><input type="text" name="oct" id="oct" onkeyup="oconvert(this.value)" onkeypress="return oncheck(event,oct)"></td></tr>
<tr><td align="right">Hexadecimal:</td><td><input type="text" name="hdeci" id="hdeci" onkeyup="hconvert(this.value)" onkeypress="return hncheck(event)"></td></tr>
</table>
</form>
&copy;<a href="http://hscripts.com">hscripts.com</a>

<!-- Script by hscripts.com -->

Release Date -07-04-2008
Get free version without ©copyright link for just 5

For customization of this script or any script development, contact us at support@hscripts.com

Usage

a) Copy the HTML code given above to create form
b) Copy the above Javascript code into your page and use it.
c) If the number entered in the textbox, The javascript converts the base and displays the number in binary,decimal,octal,hexadecimal format.

License

- The javascript (misspelled as java script) is given under GPL License
- i.e. Free use for those who use the codes as it is.
- Free, if your modification does not remove our copyright information and links.
- Click Here for detailed license information.
- You can purchase the script if your requirements does not meet our GPL License terms.