Tmpgenc 4.0 Xpress Portable -

(5/5 if you specifically need its vintage MPEG-2 prowess and don’t mind the slower speed; 1/5 if you expect modern codecs or GPU encoding.) ⚠️ Security note: If you didn’t create the portable version yourself from a legitimate installation, scan it thoroughly with antivirus before use. Many third-party repacks contain unwanted extras.