This is the command pbmpscale that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
pbmpscale - enlarge a portable bitmap with edge smoothing
SYNOPSIS
pbmpscale N [ pbmfile ]
DESCRIPTION
Reads a portable bitmap as input, and outputs a portable bitmap enlarged N times.
Enlargement is done by pixel replication, with some additional smoothing of corners and
edges.
Use pbmpscale online using onworks.net services