Select a PNG screenshot of a tile map with a grid.<br>
	<small>The image won't be saved on the server.</small>
	<form method="POST" action="?" enctype='multipart/form-data'>
	
	<input type='hidden' name='MAX_FILE_SIZE' value='1048576'>
	<input name='image' type='file'><br>
	<small>Max file size: 1 MB</small><br>
	X Separator: <input type="text" name="x" value=16><br>
	Y Separator: <input type="text" name="y" value=16><br>
	<input type="submit" name="submit" value="Process image"><br>
	<br>
	example of what kind of images should be processed:<br>
	<img src="sample.png"><br>
	this sample image uses a 16x16 grid
	</form>