Passive Voice Detector

Passive voice is a sentence construction where the subject receives the action instead of performing it. In an active sentence, the subject does something: "The team launched the product." In the passive equivalent, the subject has something done to it: "The product was launched by the team." The action still happens, but the emphasis shifts from who did it to what was done.

Passive constructions follow a recognizable pattern: a form of "to be" (is, was, were, are, been, being) followed by a past participle (launched, written, completed, found). Not every sentence with "was" is passive, and not every passive sentence is obvious, which is why automated detection is useful. Constructions like "The report was completed," "Mistakes were made," and "The data has been analyzed" are all passive.

Passive voice isn't grammatically wrong. It's a legitimate construction that serves specific purposes. But overuse makes writing feel indirect, wordy, and harder to follow. Most style guides recommend defaulting to active voice and using passive voice intentionally rather than habitually.

Passive voice affects readability, engagement, and clarity, all of which influence how well your content performs with both readers and search engines.

• Readability suffers. Passive sentences are typically longer and more complex than their active equivalents. "The article was written by our senior editor and was reviewed by the editorial team before publication" takes more effort to parse than "Our senior editor wrote the article, and the editorial team reviewed it before publication." Across an entire article, that added cognitive load pushes readers toward the back button.
• Engagement drops. Active voice feels more direct and energetic. It puts the actor front and center and creates a sense of momentum. Passive voice removes the actor or buries them at the end of the sentence, which creates distance between the reader and the content. For web content where you're competing for attention against every other tab and notification, that distance is costly.
• Clarity gets muddled. Passive voice can obscure who is responsible for an action. "The decision was made to discontinue the service" avoids saying who made the decision. This vagueness might be useful in corporate communications where accountability is deliberately softened, but in content writing, it leaves readers with unanswered questions and a sense that the writer is being evasive.
• Word count inflates. Passive constructions almost always use more words than active alternatives. "The ball was kicked by the player" is six words. "The player kicked the ball" is five. That difference compounds across thousands of words, and bloated content tends to underperform leaner writing that says the same thing in fewer words.

Passive voice doesn't directly affect search engine rankings. Google doesn't have a "passive voice penalty" or an algorithm that counts passive constructions and adjusts your position accordingly. But the indirect effects are real and measurable.

• Dwell time and bounce rate. Content that's difficult to read loses readers faster. If your article is dense with passive constructions, users spend less time on the page and are more likely to bounce back to search results. These behavioral signals can influence how Google evaluates your page's value for a given query.
• Readability scores. Tools like Yoast and Rank Math flag passive voice as a readability concern and factor it into their content scores. While these plugin scores don't directly influence Google's algorithms, they reflect established readability research that correlates with user engagement.
• Featured snippet selection. Google's featured snippets favor concise, direct answers. Passive constructions add words without adding meaning, making passages less likely to be selected as a snippet. "Add the CSS to your header file" is more snippet-friendly than "The CSS should be added to your header file by the site administrator."
• User satisfaction. At a fundamental level, SEO rewards content that satisfies user intent. Clear, direct writing satisfies readers more effectively than wordy, indirect writing. The best content ranks well because people find it useful, share it, and link to it.

Most writing style guides recommend keeping passive voice below 10 to 15 percent of your total sentences. Yoast's readability analysis flags content that exceeds 10 percent. Hemingway Editor highlights passive constructions and nudges writers toward fewer than 10 percent.

These thresholds aren't hard rules. They're guidelines based on readability research showing that text with lower passive voice percentages is generally easier to read and more engaging. A 1,500-word blog post with 5 percent passive voice will feel noticeably tighter and more direct than the same post at 25 percent.

Some content types naturally run higher. Academic writing, legal documents, and technical specifications often use passive voice deliberately because the focus is on processes and outcomes rather than actors. A scientific paper might legitimately have 20 to 30 percent passive voice because "The samples were heated to 200 degrees" is standard for that genre.

For web content, marketing copy, blog posts, and news articles, aim for the lower end. If this tool shows you're above 15 percent, there's almost certainly room to tighten your writing by converting some passive sentences to active ones. You don't need to eliminate passive voice entirely. You just need to make sure you're using it by choice, not by habit.

Despite the general preference for active voice, there are situations where passive voice is genuinely the better option.

• When the actor is unknown or irrelevant. "The building was constructed in 1842" works well because who built it isn't the point. Rewriting it as "Workers constructed the building in 1842" adds an actor that doesn't contribute useful information.
• When the action matters more than the actor. "Over 10,000 units were sold in the first week" puts the emphasis on the sales volume, which is the important detail. "The sales team sold over 10,000 units in the first week" shifts focus to the sales team, which may not be the intended emphasis.
• When you want to soften a statement. "Your account has been suspended" is less confrontational than "We suspended your account." Customer-facing communications sometimes benefit from the slight distance passive voice creates, especially when delivering bad news.
• When maintaining topic consistency in a paragraph. If a paragraph is about a product and every sentence starts with the product as the subject, switching to passive voice in one sentence can maintain flow. "The software handles batch processing. Updates are deployed automatically every Tuesday. The dashboard displays real-time metrics." The middle sentence is passive, but it keeps "the software" as the implied topic without awkwardly repeating it.
• In scientific and technical writing. Methodology sections, process documentation, and technical specifications often use passive voice as a convention. "The solution was filtered through a 0.45-micron membrane" is standard lab writing. Forcing it into active voice can feel unnatural in these contexts.

The tool highlights passive constructions so you can evaluate each one individually. Not every highlighted sentence needs to be rewritten. The goal is awareness and intentionality, not elimination.

The detector scans your text and identifies passive voice constructions through several layers of analysis.

• Standard passive constructions. The most common pattern: a form of "to be" plus a past participle. "The report was submitted," "errors were found," "the data is being processed." These are the straightforward cases that account for the majority of passive voice in most writing.
• Complex passive constructions. Sentences with additional auxiliary verbs: "The project should have been completed by Friday," "The changes could be implemented next quarter." These multi-verb passive constructions are harder to spot manually and often go unnoticed during self-editing.
• Hidden passives. Constructions where the passive voice is embedded in a clause rather than being the main verb: "The strategy, which was developed by the consulting team, focuses on growth." The main clause is active, but the relative clause is passive. The tool identifies these nested passives that a quick read might miss.
• Passive voice percentage. The tool calculates the ratio of passive sentences to total sentences and displays it as a percentage. This gives you a quick benchmark to compare against readability guidelines and track improvement as you revise.
• Suggested active alternatives. Where possible, the tool suggests an active voice rewrite for each passive construction. These suggestions are starting points, not final copy. They show you what the sentence could look like in active voice so you can decide whether the revision improves the writing.

The basic conversion follows a consistent pattern: identify the actor, make them the subject, and restructure the sentence.

• Find the actor. In a passive sentence, the actor is either named in a "by" phrase or implied. "The email was sent by the marketing team" has an explicit actor. "The email was sent" has an implied actor. If the actor is named, move them to the front of the sentence. If the actor is implied, decide who logically performs the action and insert them.
• Restructure. "The report was reviewed by the manager" becomes "The manager reviewed the report." Subject, verb, object. The sentence gets shorter and more direct in the process.
• Handle sentences without a clear actor. "Mistakes were made" is famously passive and famously vague. If you can't identify the actor, you have two choices: add one ("The team made mistakes") or acknowledge that the passive construction might be there to avoid accountability, which is worth questioning in your own writing.
• Watch for tone shifts. Converting to active voice sometimes changes the emphasis or tone in ways that affect meaning. "You will be notified when your order ships" (passive, customer-focused) feels different from "We will notify you when your order ships" (active, company-focused). Choose the version that aligns with your intended emphasis.
• Don't force it. If a passive sentence reads naturally, serves a purpose, and switching to active voice makes it worse, leave it passive. The goal is better writing, not mechanical compliance with a rule.

• Converting every passive sentence regardless of context. Blindly rewriting all passive constructions produces awkward, unnatural text. Some sentences are better in passive voice. Use the tool's detection as a starting point for evaluation, not a mandate for wholesale revision.
• Confusing passive voice with past tense. "The team finished the project" is active voice in past tense. "The project was finished by the team" is passive. The presence of "was" or "were" doesn't automatically mean a sentence is passive. The tool handles this distinction, but understanding it helps you evaluate the results.
• Ignoring passive voice in headlines and subheadings. Headlines have an outsized impact on whether someone reads your content. A passive headline like "New Features Were Added to the Platform" is weaker than "Platform Adds New Features." Check your headings and subheadings specifically, since these are the first things readers and search engines scan.
• Editing for passive voice before the content is finished. Worrying about passive voice during the drafting phase slows you down and fragments your thinking. Write the draft first, then run it through the detector and revise. Voice and style are editing concerns, not drafting concerns.
• Treating the percentage as a score to minimize. Getting your passive voice percentage to zero isn't the goal. Zero percent passive voice means you've probably forced active constructions into sentences where passive was the better choice. Aim for intentional use, not absence.
• Not reading the revised version aloud. After converting passive sentences to active, read the paragraph out loud. Does it flow? Does it sound natural? Active voice that's been mechanically inserted without attention to rhythm and flow can read just as poorly as the passive version it replaced.