The expression に過ぎない (にすぎない) means "is nothing more than", "is merely", or "is just". It is used to emphasize that something is insignificant, limited, or not as important/large as one might think. The speaker uses this pattern to downplay or minimize the significance of something.
に過ぎない attaches to nouns, verbs (plain form), and い-adjectives:
Noun + に過ぎない
Verb (plain form) + に過ぎない
い-adjective + に過ぎない (less common)
This expression carries a dismissive or humble tone. It is used to:
Downplay one's own role or abilities (modesty):
Dismiss something as unimportant:
Put things in perspective by emphasizing smallness or insignificance:
に過ぎない is relatively formal and is common in written Japanese, news, essays, and formal speech. The polite form is に過ぎません.