www.greywyvern.com/code/php/binary2base64
Use this tool to create data streams for embedding images (or any type of file) in (X)HTML, CSS and XML.
coderstoolbox.net/string/
Encode and decode strings: Base64, URL, XML, JavaScript
This site allows you to encode and decode a variety of different formats including xml and escaping code
www.epochconverter.com
Epoch Converter - Unix Timestamp Converter
www.base64decode.org
Have to deal with Base64 format? Then this site is made for You! Use the super simple online form below to decode or encode Your data. If You're interested about the inner workings of the Base64 format, just read the detailed description at the bottom ...
www.4webhelp.net/us/timestamp.php?action=stamp&stamp=1333148...
This tool allows you to convert to and from a unix timestamp to a UTC format date. The best bit about of this convertor allows you to set your time zone offset. Most time convertors do not compensate for this so dates can appear to be wrong.
www.mxcz.net/tools/en-US/
This site has many tools and are as follows:
Encode/Decode:
string-functions.com
On this site, you will find free online tools to perform common string manipulations such as reversing a string, calculating a string's length or encoding a string!
www.online-code.net
Online-Code.net is a individual website. I'm an ASP.NET developer, for the loading speed, I always want to decrease the page size. So I need minify the JavaScript and CSS file sometimes.I was able to find a bunch of software to do so, free ...
www.toolsvoid.com
Toolsvoid is a free online service that offer various and useful tools for webmasters, security researchers and system administrators. We have a vast range of network tools, string manipulation tools, hashing tools and regex tools. You don't have to re ...
www.tutorialspoint.com/seo_tools.htm
A collection of SEO and Web Developer Tools
jsbeautifier.org
Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
ctrlq.org/beautifier/
With Code Beautifier, you can deobfuscate and reformat your source code written in JavaScript, HTML, CSS, PHP or other programming languages.