This is my first tab and its pretty damn accurate.
Those who say it should be Dm instead of D aren't wrong.
Personally, I just think Acoustically, it sounds better with D, but, to each their own!

Here's how I play it.

Mike Posner
Cooler Than Me

Standard Tuning

Chords Used:
      Eb        D          Gm       F
||----6---------5----------3--------8-----||
||----8---------7----------3--------10----||
||----8---------7----------3--------10----||
||----8---------7----------5--------10----||
||----6---------5----------5--------8-----||
||----x---------x----------3--------x-----||



Chorus
           Eb           D
If I could write you a song,
             Gm
To make you fall in love, 
         Eb      D           Gm
I would already have you up under my arm.
          Eb      D
I used up all my tricks,
            Gm
I hope that you like this.
         Eb                               F
But you probably won't, you think you're cooler than me.

         Eb       D
You got designer shades, 
        Gm
Just to hide your face and
     Eb        D
You wear them around like, 
        Gm
You're cooler than me.
          Eb       D
But, you never say hey, 
    Gm
Or remember my name, and
      Eb                               F
It's probably cause, you think you're cooler than me.


Instrumental break

  Eb          D                    Gm
||6---6---x---5-------5---x-------|------------3-------------------|| x3
||8---8---x---7-------7---x-------|------------3----3--------------||
||8---8---x---7-------7---x-------|--------3---3----------3--------||
||8---8---x---7-------7---x-------|----5-------5-------------5-----||
||6---6---x---5-------5---x-------|--------------------------------||
||x---x---x---x-------x---x-------|3-------------------------------||


  Eb                               F
||6---6---x---6-------6---x-------|8---8---x---5-------5---x-------||
||8---8---x---8-------8---x-------|10--10--x---7-------7---x-------||
||8---8---x---8-------8---x-------|10--10--x---7-------7---x-------||
||8---8---x---8-------8---x-------|10--10--x---7-------7---x-------||
||6---6---x---6-------6---x-------|8---8---x---5-------5---x-------||
||x---x---x---x-------x---x-------|x---x---x---x-------x---x-------||


Verse 1
        Eb           D
You got your high brow,
Gm
Shoes on your feet, 
         Eb        D
And you wear them around, 
           Gm
Like they aint shit.
         Eb    D
But you don't know, 
     Gm
The way that you look, 
           Eb                      F (strum once)
When your steps- Make- That- Much- Noise. . .      Shh 

Pre-chorus
      Eb   D
I got you, 
     Gm
All figured out, 
          Eb         D            Gm
You need everyone's eyes just to feel seen.
        Eb       D
Girl, you're so vain, 
     Gm            
You probably think 
          Eb                  F
that this song is about you. Don't you? Don't you?

Chorus
           Eb           D
If I could write you a song,
             Gm
To make you fall in love, 
         Eb      D           Gm
I would already have you up under my arm.
          Eb      D
I used up all my tricks,
            Gm
I hope that you like this.
         Eb                               F
But you probably won't, You think you're cooler than me.

         Eb       D
You got designer shades, 
        Gm
Just to hide your face and
     Eb        D
You wear them around like, 
        Gm
You're cooler than me.
         Eb       D
but you never say hey, 
    Gm
Or remember my name, and
      Eb                              F
It's probably cause, you think you're cooler than me.

Verse 2
        Eb        D
You got your High Brow, 
 Gm
Switch in your walk, 
         Eb         D            Gm
And you don't even look when you pass by.
         Eb    D
But you don't know, 
     Gm
The way that you look, 
           Eb                      F (strum once)
When your steps- Make- That- Much- Noise. . .         Shh 

Pre-chorus
      Eb   D
See I got you, 
     Gm
All figured out, 
          Eb         D            Gm
You need everyone's eyes just to feel seen.
            Eb    D
Behind your Makeup, 
     Gm                       
Nobody knows who 
      Eb                 F
You even are, who you think that you are


Bridge
Eb             D
Cause it sure seems (Cause it sure seems)
Gm          D
You got no doubt. (That you got no doubt.)
Eb          D
But we all see (We all see)
Eb                      F
You got your head in the clouds

Chorus
           Eb           D
If I could write you a song,
             Gm
To make you fall in love, 
         Eb      D           Gm
I would already have you up under my arm.
          Eb      D
I used up all my tricks,
            Gm
I hope that you like this.
         Eb                                F
But you probably won't, You think you're cooler than me.

         Eb       D
You got designer shades, 
        Gm
Just to hide your face and
     Eb        D
You wear them around like, 
        Gm
You're cooler than me.
         Eb       D
And you never say hey, 
    Gm
Or remember my name. and
      Eb                               F
It's probably cause, you think you're cooler than me.


Instrumental Outro

  Eb          D                    Gm
||6---6---x---5-------5---x-------|------------3-------------------|| x3
||8---8---x---7-------7---x-------|------------3----3--------------||
||8---8---x---7-------7---x-------|--------3---3----------3--------||
||8---8---x---7-------7---x-------|----5-------5-------------5-----||
||6---6---x---5-------5---x-------|--------------------------------||
||x---x---x---x-------x---x-------|3-------------------------------||


  Eb                               F                   (Hold)
||6---6---x---6-------6---x-------|8---8---x---5-------5-----------||
||8---8---x---8-------8---x-------|10--10--x---7-------7-----------||
||8---8---x---8-------8---x-------|10--10--x---7-------7-----------||
||8---8---x---8-------8---x-------|10--10--x---7-------7-----------||
||6---6---x---6-------6---x-------|8---8---x---5-------5-----------||
||x---x---x---x-------x---x-------|x---x---x---x-------x-----------||






Hope you guys like it! :)