Free AI Script Analysis & Coverage

Paste a scene or a full screenplay. You get a score out of 10, a Pass, Consider or Recommend verdict, and the continuity, logic, character and pacing problems a reader would flag before you send it out. No sign-up to see your score.

Hand-sketched screenplay page with three sage-green continuity annotations and a magnifying glass — illustrating AI screenplay analysis.

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What's in a script coverage report

Coverage is how the industry decides what gets read. An agency assistant or a producer's reader takes a script home, writes two or three pages about it, and the person they work for decides from those pages whether to read it themselves. Most scripts are never read past the coverage.

A coverage report has a standard shape, and this one follows it:

  • Logline. The story in one sentence. If yours is hard to write, that's usually the first note.
  • Synopsis. What happens, told plainly. Reading your own story back in someone else's words shows you what actually landed on the page.
  • Category grades. Structure, character, dialogue and the rest, each graded separately, so a strong premise doesn't hide weak dialogue.
  • Strengths and weaknesses. What to protect in the rewrite and what to fix.
  • Verdict. Pass, Consider or Recommend. Most professional coverage passes on most scripts. A Consider is a good result.

The score out of 10 is most useful for comparing drafts of the same script. A jump after a rewrite tells you more than the absolute number does, and a scene is scored as a scene, so don't compare it with a feature.

Human coverage from a good reader still matters, especially for market fit and comparable titles. What AI coverage gives you is a fast, private read you can run as often as you like, so the draft you pay a reader for, or send to a contest, is already past the problems a first read would catch.

Why continuity errors slip past you

You wrote the screenplay. You know the story cold. That's exactly the problem.

When you read your own script, your brain fills in what's supposed to be there. The character drinks coffee in scene 2 and you don't notice that you've placed the mug on the wrong side of the counter in scene 5 — because in your head, the mug is where it should be. The page just reflects what you already know.

This is why writers' rooms have a script supervisor and indie shoots have continuity errors. The script supervisor isn't smarter than you. They're reading the script without your mental model of the story, which means contradictions that hide behind your assumptions become loud on the page.

Most continuity breaks fall into a few categories: props that appear without setup or vanish without payoff, time-of-day mismatches between consecutive scenes, characters in two places at once, blocking that contradicts the previous scene's geography. None of these are creative failures. They're just things you couldn't see because you were too close to the work.

The cost of missing them depends on when you catch them. On the page during pre-production: ten minutes of rewriting. In the edit: a reshoot, a story patch, or a noticeable inconsistency that lands with the audience. The math is obvious — catch them on the page.

What an AI screenplay analyzer catches that a read-through misses

StoryBirdie's screenplay analysis view showing four flagged issues — including a continuity error on Rachel's shoes and a logic gap around coffee service — anchored to the lines they reference.

A read-through with actors catches issues your brain skips. It's the right thing to do. It's also expensive, slow, and dependent on people noticing the right thing at the right moment.

An AI screenplay analyzer reads your script the way the script supervisor does — without your story in its head. It tracks every character, every prop, every location, every time-of-day stamp, and flags inconsistencies row by row.

The categories of issue it actually surfaces:

  • Continuity errors. Props that appear without setup. A character holding something in one beat and empty-handed in the next without an action line bridging the gap. Wardrobe changes that don't have a scene to support them. Time-of-day mismatches between adjacent scenes.
  • Logic gaps. A character acting on information they shouldn't have. A character going to a location whose geography contradicts the previous scene. A motivation break — the character does X in scene 4 but scene 3 established they wouldn't.
  • Unclear blocking. Stage direction that doesn't translate to a shoot. "They argue" is not blocking. "Sarah moves to the window, doesn't turn around" is. The analyzer flags the difference.
  • Formatting drift. Slug lines without scene numbers. Dialogue formatted as action. FADE OUT used as a transition between scenes mid-script. Small stuff that becomes loud when the AD tries to build a shooting schedule.

Not every flag is right. Some are noise — the analyzer will mark a "continuity issue" that's actually a deliberate jump cut you set up. That's fine. The cost of dismissing five false positives is much lower than the cost of missing one real issue. Treat the output the way you'd treat a script supervisor's notes: take what's useful, push back on what isn't.

If you want to dig into the underlying craft of catching these on the page, the script continuity errors guide walks through each category with examples from real productions.

How to act on the findings

Flagged issues are useless until you decide what to do with them. The workflow that works:

First pass, read every flag and triage. Each one gets one of three labels: real (needs a fix), noise (the analyzer misread something), or deferred (it's a real issue but the fix can wait). Don't try to resolve anything yet. The point of the first pass is to know what you're dealing with.

Second pass, fix the reals. Most are quick: rewrite a line, add a prop hand-off, tighten a slug line. A handful will be structural — a character knows something they shouldn't because you cut the scene where they learned it — and those need a real rewrite. Do the easy ones first; the hard ones often dissolve once the easy ones are clean.

Third pass, re-score the revised script. Real continuity work creates new issues — when you add a prop hand-off in scene 5, you may need to check that the prop still exists in scene 12. Tools that don't re-run cheaply punish iteration. Fix the lines in the editor, then re-score for free.

Don't try to fix everything before the table read. The table read will surface a different set of issues — the ones actors hit because the dialogue doesn't sound right out loud. Use the analyzer to clear the structural noise so the table read can focus on performance. They catch different things; you want both.

One last thing: the analyzer reads the script in StoryBirdie, not the version on your hard drive. If you keep revising in another app, re-upload before re-scoring, or make the edits in StoryBirdie and export the result. The most common "the analyzer is wrong" complaint turns out to be "the analyzer is reading the version from 20 minutes ago."

Frequently Asked Questions

What is script coverage?+
Coverage is a reader's report on a screenplay: a logline, a synopsis, grades on the craft, notes, and a verdict of Pass, Consider or Recommend. Agencies, producers and contests use it to decide what to read in full. This is AI coverage. It is quick and it is a useful second read before you send a script out or pay for human coverage, but it is not a replacement for a reader who knows your market.
Can I rate a single scene?+
Yes. A scene is judged as a scene, so it isn't marked down for lacking a third act. Paste the whole script when you want structure and pacing judged across the story.
What does the analysis catch?+
Continuity errors (props or wardrobe that change without setup, time-of-day mismatches, characters in two places at once), logic gaps (a character acting on information they don't have, motivation breaks), character and pacing problems, and formatting drift. It doesn't rewrite your script. It flags issues for you to decide on.
How long does it take?+
A single scene takes about a minute. A 30-page short takes a few minutes. A 100-page feature can take up to ten.
Is it really free?+
Your score, verdict and top issues are free with no account. Signing in is free, shows every issue, and lets you fix and re-score as often as you like. Full coverage unlocks with a one-time $5 pack, not a subscription, and once a script is unlocked, re-scoring later drafts keeps it unlocked.
Where does my screenplay go?+
If you don't sign in, your script and its report are deleted after 7 days. If you do, they live in your StoryBirdie account, and you can delete the screenplay, the project or your whole account from the app at any time. We do not train models on your screenplay.

Free PDF: The Director's Pre-Production Checklist

25 things to lock before you shoot. A two-page PDF directors print and tape to the wall during prep.

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