diff --git a/tools/sfxconvert.py b/tools/sfxconvert.py
new file mode 100755
index 0000000000..22044dd594
--- /dev/null
+++ b/tools/sfxconvert.py
@@ -0,0 +1,167 @@
+#!/usr/bin/env python3
+
+import os
+import argparse
+
+AudioFunctions = {}
+Verbose = False
+Verbose2 = False
+
+def set_verbose(v):
+    global Verbose
+    global Verbose2
+
+    Verbose = v
+    Verbose2 = v
+    return 1
+
+def make_audio_dict(AudioFunctions, repo):
+    with open(repo + os.sep + 'include' + os.sep + 'functions.h','r') as funcfile:
+        funcdata = funcfile.readlines()
+    for i, line in enumerate(funcdata):
+        if(line.count('sfxId')):
+            funcname, argnum = get_func_data(funcdata,i)
+            if(funcname != None):
+                AudioFunctions[funcname] = argnum
+    return 1
+
+def get_func_data(funcdata,i):
+    j = i
+    while(funcdata[j - 1].count(';') == 0):
+        j -= 1
+    k = i + 1
+    while(funcdata[k - 1].count(';') == 0):
+        k += 1
+    prototype = "".join(funcdata[j:k])
+    argdata = prototype.replace('(',',').replace(')',',').split(',')
+    funcname = argdata[0].split(' ')[1]
+    for x in range(len(argdata)):
+        if(argdata[x].count('sfxId')):
+            break;
+    if(x == len(argdata) - 1):
+        print('sfxId not found in ', funcname)
+        return None,-1
+    return funcname, x - 1
+
+def lookup_sfx(idnum, repo):
+    if(type(idnum) is int):
+        id = '0x' + format(idnum,'X')
+    elif(idnum.isnumeric()):
+        id = '0x' + format(int(idnum),'X')
+    else:
+        id = idnum
+    idfix,sfxFlag = fix_sfx_flag(id)
+    with open(repo + os.sep + 'include' + os.sep + 'sfx.h','r') as sfxfile:
+        for line in sfxfile:
+            if(line.count(idfix)):
+                return line.split(' ')[1] + sfxFlag
+    return 'INVALID_ID'
+
+def fix_sfx_flag(id):
+    if(id.endswith(' - SFX_FLAG')):
+        splitdata = id.split('-')
+        return splitdata[0].strip(), ' -' + splitdata[1]
+    if not(int(id,16) & 0x800):
+        newid = '0x' + format(int(id,16) + 0x800,'X')
+        sfxFlag = ' - SFX_FLAG'
+    else :
+        newid = id
+        sfxFlag = ''
+    return newid,sfxFlag
+
+def fix_sfx_func(sourcedata, i, j, repo):
+    data = ''.join(sourcedata[i:j])
+    func = data.split('(')[0].strip()
+    index = data.find(func)
+    argnum = AudioFunctions.get(func,-1)
+    if(argnum == -1 or index == -1):
+        print('Function lookup error at line', i, 'in', func)
+        return -1
+    args = data[index:].replace('(',',').replace(')',',').split(',')
+    sfxId = args[argnum + 1].strip()
+    if(sfxId.count('NA_SE') != 0):
+        return 0
+    newId = lookup_sfx(sfxId, repo)
+    if(newId == 'INVALID_ID'):
+        print('ID parse error at line', i, 'in', func)
+        return -2
+    for k in range(i, j):
+        sourcedata[k] = sourcedata[k].replace(sfxId,newId)
+    if Verbose:
+        print('Replaced', sfxId, 'with', newId, 'in', func, 'at line', i + 1)
+    return 1
+
+def find_audio_func(line):
+    audiofuncs = list(AudioFunctions.keys())
+    funcname = line.split('(')[0].strip()
+    for func in audiofuncs:
+        if(line.count(func)):
+            return func
+    return False
+
+def fix_sfx_all(repo):
+    global Verbose2
+
+    tv = Verbose2
+    Verbose2 = False
+
+    for subdir, dirs, files in os.walk(repo + os.sep + 'src'):
+        for filename in files:
+            if(filename.endswith('.c')):
+                file = subdir + os.sep + filename
+                fix_sfx(file, repo)
+
+    Verbose2 = tv
+    return 1
+
+def fix_sfx(file, repo, outfile = None):
+    if(outfile == None):
+        outfile = file
+    make_audio_dict(AudioFunctions, repo)
+    with open(file,'r',encoding='utf-8') as sourcefile:
+        sourcedata = sourcefile.readlines()
+    replacements = set()
+    j = 0
+    lookuperrors = 0
+    funcerrors = 0
+    iderrors = 0
+    fixes = 0
+    for i, line in enumerate(sourcedata):
+        if(i < j):
+            continue
+        if(find_audio_func(line)):
+            j = i
+            while(sourcedata[j].count(';') == 0):
+                j += 1
+            status = fix_sfx_func(sourcedata, i, j + 1, repo)
+            if(status == -2):
+                iderrors += 1
+            elif(status == -1):
+                lookuperrors += 1
+            elif(status > 0):
+                fixes += 1
+    if(fixes > 0):
+        with open(outfile,'w',encoding ='utf-8',newline='\n') as outfile:
+            outfile.writelines(sourcedata)
+        if Verbose:
+            print(file, 'updated')
+    elif Verbose2:
+        print('No changes made to', file)
+    if(lookuperrors > 0):
+        print('Problem with function lookup. Try formatting functions.h')
+    if(iderrors > 0):
+        print('Problem with id parsing. Make sure your SFX ids are in hex.')
+    return 1
+
+parser = argparse.ArgumentParser(description='Convert hex SFX ids to macros')
+parser.add_argument('file', help="source file to be processed")
+parser.add_argument('repo', help="directory of the decomp repo")
+parser.add_argument('-o', metavar='outfile',dest='outfile',help='file to write to instead of original')
+parser.add_argument('-v', action='store_true',help='show what changes are made')
+
+if __name__ == "__main__":
+    args = parser.parse_args()
+    set_verbose(args.v)
+    fix_sfx(args.file, args.repo, outfile=args.outfile)
+
+