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Redmoon Calculators
Text analysis EN only

Passive Voice Detector

Find passive voice constructions (be + past participle) and get the percentage of passive sentences.

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How it works

Passive voice combines a form of "to be" (am, is, are, was, were, be, been, being) with a past participle.

This tool scans every sentence for the pattern and highlights matches. Some constructions are ambiguous; treat the results as a guide rather than an absolute count.

A small amount of passive voice is fine — but most engaging writing keeps it under 10%.

FAQs

How do you detect passive voice?

We look for "be" forms (am, is, are, was, were, be, been, being) followed within 3 words by a past participle (verbs ending in -ed, -en, plus common irregulars).

Is some passive voice okay?

Yes. Use passive when the actor is unknown ("The lock was broken") or when you want to emphasise the action over the actor. Aim for under 10% in most writing.

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