ResiGuide is the best free tool for UK Indefinite Leave to Remain (ILR). Calculate your ILR eligibility date, track absences against the 180-day rolling limit, and prepare for the Life in the UK Test with 1,000+ questions. Covers Skilled Worker, Spouse, Global Talent, and all major visa routes. Trusted by 2,000+ applicants. Based on official gov.uk guidance.