Certainty and doubt (il semble que / il me semble que)

Objective Doubt: Il semble que

The impersonal expression il semble que ("it seems that") makes a general observation. Because it implies doubt or mere possibility, it takes the subjunctive mood.

It seems that the result is ambiguous.
Il semble que le résultat soit ambigu.
It seems that the reality is different from the illusion.
Il semble que la réalité soit différente de l'illusion.

Subjective Certainty: Il me semble que

Adding an indirect object pronoun makes it il me semble que ("it seems to me that"). This shifts the meaning: you are now expressing a personal conviction. Because it signals certainty in your own mind, il me semble que takes the indicative mood.

It seems to me that your opinion is obvious.
Il me semble que ton opinion est évidente.
It seems to me that your interpretation is very subjective.
Il me semble que votre interprétation est très subjective.

Comparing the Moods

Notice the contrast: il semble que uses the subjunctive (like soit), while il me semble que uses the indicative (like est).

It seems that the appearance is ambiguous.
Il semble que l'apparence soit ambiguë.
It seems to me that his opinion is subjective.
Il me semble que son opinion est subjective.