Passive Voice Checker

Detect passive voice sentences and improve writing clarity.

How to Use Passive Voice Checker

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Passive Voice Checker — Free Text Utility

Passive Voice Checker scans text sentence by sentence for passive constructions (a form of "to be" followed by a past participle, like "was written" or "is being reviewed") and flags each one, along with an overall passive voice percentage for the full document. Most style guides for clear, engaging writing recommend keeping passive voice usage low — generally under 10-15% of sentences — since active voice ("The team wrote the report") is typically more direct and easier to read than passive voice ("The report was written by the team"). This tool helps writers, editors, and students spot passive constructions they might otherwise miss during self-editing, though passive voice isn't always wrong — it's sometimes the better choice when the actor is unknown or unimportant.

Keywords and Search Terms

People searching for this tool use terms like: passive voice checker online, detect passive voice, active voice checker, passive voice detector free, grammar passive voice tool. Tooliby provides this utility free with no signup, no watermarks, and no data logging.

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Frequently Asked Questions

No — passive voice is appropriate when the actor is unknown, unimportant, or intentionally de-emphasized ('The window was broken' when you don't know who broke it). The concern is overuse, not any single instance.

Most style guides suggest keeping passive voice under 10-15% of sentences for typical business, marketing, or general writing — though academic and legal writing often runs higher.

It looks for a 'to be' verb form (is, are, was, were, been, being) immediately followed by a past participle (a verb typically ending in -ed, or common irregular forms like 'written' or 'given').

It catches the vast majority of common passive constructions, though some unusual sentence structures or irregular verb forms may occasionally be missed or over-flagged.