If you need a to an older ETS2/ATS save file (pre-2023), an online decrypter is perfectly fine. It requires no installation and works in 60 seconds.
: A popular browser-based tool shared on the SCS Software Forum that allows for quick decoding without downloads. sii decrypt online
Some fake "online decrypters" are designed to steal your profile.sii to hijack Steam accounts linked to ETS2/ATS. Never upload a file containing your real name, GPS coordinates, or profile ID to an untrusted site. If you need a to an older ETS2/ATS
: A modern TypeScript implementation often used by developers to build new web-based modding tools. sii decrypt online