Formal:
* Je suis digne de confiance. (This is the most direct and formal translation.)
* Je suis fiable. (This means "I am reliable" and implies consistency and dependability.)
Informal:
* Tu peux me faire confiance. (This means "You can trust me" and is more personal and conversational.)
* Je suis honnête. (This means "I am honest" and emphasizes your integrity.)
Other options:
* Je suis une personne de confiance. (This means "I am a trustworthy person" and is more general.)
* Je suis quelqu'un sur qui on peut compter. (This means "I am someone you can count on" and emphasizes your reliability.)
The best choice will depend on the specific situation and the person you are talking to.