x64 fork of a script to apply string types in ida. Press W at the base of a string, or select a range of strings. Only tested in ida 7.

do_strings.py

# Press W, creates string there, creates align/word, renames to a non-conflicting name
import idaapi, idc, inspect
from io import BytesIO

def get_selected_bytes():
    #BOOL multiple, start, end
    selected = idaapi.read_selection()
    curr_ea = idc.get_screen_ea()
    return [selected, curr_ea]

def getstr(f):
    ret = b"";char = f.read(1)
    while char != b"\x00":
        ret += char
        char = f.read(1)
    ret += char
    return ret

def do_clean():
    selected, curr_ea = get_selected_bytes()
    if selected[0] == True: #selected range
        curr_ea = selected[1]
        while curr_ea < selected[2]:
            if curr_ea % 8: #align
                curr_ea += (8 - (curr_ea % 8))
            #if a string is bigger than 512 bytes we're in trouble
            f = BytesIO(idc.get_bytes(curr_ea, 512))
            string = getstr(f)
            idc.create_strlit(curr_ea, curr_ea + len(string))
            #set_name(curr_ea, "str_%08X" % curr_ea)

            curr_ea += len(string)
            if curr_ea % 8:
                create_align(curr_ea, (8 - (curr_ea % 8)), 3)
                curr_ea += (8 - (curr_ea % 8))
            else:
                continue
                #print(curr_ea, string)
                
                #create_qword(curr_ea)
                #curr_ea += 8
    else: #just do it once
        if curr_ea % 8: #align
            curr_ea += (8 - (curr_ea % 8))
        #if a string is bigger than 512 bytes we're in trouble
        f = BytesIO(idc.get_bytes(curr_ea, 512))
        string = getstr(f)
        idc.create_strlit(curr_ea, curr_ea + len(string))
        #set_name(curr_ea, "str_%08X" % curr_ea)

        curr_ea += len(string)
        if curr_ea % 8:
            create_align(curr_ea, (8 - (curr_ea % 8)), 3)
            curr_ea += (8 - (curr_ea % 8))
        #else:
            #create_qword(curr_ea)
            #curr_ea += 8

def load_hotkeys():
    # https://gist.github.com/bNull/6003874
    ENABLED_HOTKEYS = [("W", do_clean)]

    for func in ENABLED_HOTKEYS:
        func_name = inspect.getmembers(func[1])[-1][1]
        if idaapi.add_hotkey(func[0], func[1]):
            print "[+] Bound %s to %s" % (func_name, func[0])
        else:
            print "[-] Error: Unable to bind %s to %s" % (func_name, func[0])

load_hotkeys()