The purpose of the study is to evaluate the feasibility of a new monitored self-guided digital intervention based on an alcohol diary and techniques from cognitive behavioral therapy and relapse prevention. The participants will be adults with problematic alcohol use. An uncontrolled trial will explore participant's usability and treatment credibility ratings, behavioural engagement and preliminary effects on alcohol use.

Inclusion Criteria:

1. ≥ 18 years of age
2. Access to internet
3. ≥8 points for men and ≥6 points for women on Alcohol Use Disorders Identification Test (AUDIT)

Exclusion Criteria:

1. Insufficient knowledge of the Swedish language
2. Difficulties reading or writing related to a digital intervention.
3. Other ongoing psychological treatment with a content similar to that in the current study (problematic alcohol use).
4. High suicide risk based on telephone assessment.
5. Other urgent need for more intensive psychiatric care, or addiction care services, based on telephone assessment.