Browser's File Interpreters

Hiya !

I want to see how the following types of files’ Interpreters are built into 
a browser :

1.	Un-compressed Image files 
2.	Compressed Image files 
3.	Un-compressed Animation files 
4.	Compressed Animation files
5.	Un-compressed Audio files 
6.	Compressed Audio files 

Question 1 :
So, can anyone tell me please, how do I check all this out ?
I mean, which file in a browser or which part of the browser’s source code s
hould I check to read the source codes of the above 6 file types’ Interprete
rs ?
A browser has millions of lines of codes. I don’t want to go through each an
d everyone of these lines of codes and so I need your help to direct me to t
he right direction so I can easily spot the above 6 types of file’s source c
odes.

Why do I want to check the source codes of these 6 file types ?
Because :

1.	so I can learn how the “Compressing Algorithms” were written 
      and 
2.   learn how a “Built-In Interpreter to translate Compression Files” are w
ritten 
and 
3.	learn which part of the browser these 6 types of file’s “Built-In Interpr
eters” are residing.

You may have a question : 
Why do I want to learn and gain experience in all these ? 
Answer :
So if I ever come-up with a better “compressing algorithm” for an “Image” or
 Audio” or “Animation” or “Video” file and create my own “compression file t
ype” then I can write the “Interpreter for my compression file type” and sim
ply “include” it in the “appropriate place in the browser” (build the Interp
reter in the browser) so whenever a website has a compressed “audio” or “ima
ge” or “animation” or “video” file with my invented “file extension” on it t
hen the browser will be capable to understand it with the help of my “built-
In Interpreter” (which I insert in it) and translate or “decompress” the “co
mpressing codes”.

Question 2 :
How many colours does a browser show ?
I understand that there are millions of similar colours but how many colours
 actually are our browsers capable of exactly showing to us when translating
 an image, animation, video from an uncompressed file to provide good qualit
y images, animations and videos ?
The same question goes for compressed files.


Cheers !