Short films are where filmmakers find their voice. They're the proving ground for directors, writers, and storytellers who want to make something real without waiting for permission from a studio. But knowing how to write a short film script — one that actually works — is a skill that takes more than enthusiasm to master. Here's a practical, honest guide to get you started.
What Makes a Short Film Script Different
A feature film has two hours to develop characters, build subplots, and breathe. A short film has minutes. This compression changes everything about how you write.
The most important shift is economy. Every scene must pull double or triple duty — introducing character, advancing plot, and building theme simultaneously. There's no room for scenes that exist only to "set the mood." If a scene isn't moving the story forward, cut it.
Short films typically run between 5 and 15 minutes, which translates to roughly 5 to 15 pages of script (following the standard 1 page = 1 minute rule). The sweet spot for most festivals is 10–12 minutes — long enough to tell a complete story, short enough that programmers will actually slot it into their schedules.
The 3-Act Structure Compressed Into a Short
Yes, even a 10-page short film uses three-act structure. You just don't have the luxury of a slow burn. Each act is compressed but serves the same dramatic purpose as in a feature.
Act 1 — Setup (1–3 pages)
Establish your protagonist, their world, and their immediate problem. Introduce the inciting incident — the event that kicks off the story. In a short film, this needs to happen fast. You have one, maybe two scenes before the audience needs to know what the story is about. If your protagonist hasn't faced a clear problem by page 3, start over.
Act 2 — Confrontation (5–8 pages)
Your protagonist pursues a goal and faces obstacles. In a short, you typically have one central conflict rather than multiple subplots. The tension builds. Stakes become clear. Something makes the protagonist's situation worse before it can get better — this is the engine of your story.
Act 3 — Resolution (2–4 pages)
The climax. Your protagonist faces the central conflict head-on and either succeeds, fails, or transforms. Short films often end on an image or a moment rather than a tidy wrap-up — a feeling that lingers after the credits roll. Leave your audience with something to carry out of the room.
Formatting Rules Every Beginner Needs to Know
Screenplay formatting isn't bureaucracy — it's communication. A properly formatted script tells your cast and crew exactly what they need to know, in exactly the right order. Here are the three core elements:
Scene Headings (Sluglines)
Every new scene starts with a slugline: INT. KITCHEN – DAY or EXT. PARK – NIGHT. Interior or exterior, location name, time of day. That's it. One line, all caps. Don't overthink it and don't add extra information here — the action lines handle the details.
Action Lines
Action lines describe what we see and hear — present tense, active voice. "Maya crosses the room and picks up the photograph." Not: "Maya would slowly walk across the room to where the photograph is sitting on the shelf." Keep action lines to 3–4 lines maximum. White space on the page is not wasted space — it lets the reader breathe and imagine the scene.
Dialogue
Character name appears centered and in caps above their dialogue. Keep lines short and purposeful. Real people rarely speak in complete sentences. Read your dialogue out loud — if it sounds like a speech, rewrite it. If it couldn't exist in a real conversation, cut it.
Common Beginner Mistakes to Avoid
- Over-directing on the page. "CLOSE UP on her hand as she SLOWLY reaches for the door handle..." — don't write camera directions into your script. That's the director's job, even if the director is you.
- Purple prose in action lines. Action lines should be lean and visual. "The room smells of old books and ambition" cannot be filmed. Cut it.
- Starting too late. Most first drafts begin three scenes before the real story starts. Find where the real story kicks off and cut everything before it.
- Explaining emotions. "She feels relieved but nervous" is unfilmable. Show behavior: "She exhales. Taps the counter twice."
- Forgetting the visual. Film is a visual medium. If your entire story could be told as a radio drama, you're not thinking cinematically enough.
How to Write Your First Scene Today
Don't wait until your idea is perfect. Pick one of these starting points and write a page — just a slugline, two action lines, and some dialogue:
- Two people in a car. One of them doesn't know they're being lied to.
- A person finds something on a park bench that changes their afternoon.
- Someone is trying to leave a room but can't bring themselves to go.
Write the slugline. Write two action lines. Let the dialogue begin. The first draft is always rough — that's the whole point. You can't edit a blank page. Getting words down is the entire job right now.
Conclusion
Writing a short film script is one of the most direct routes to learning the craft of screenwriting. The constraints force clarity, and clarity is the foundation of great storytelling. Start small, write often, and trust that every page you write makes the next one better.
Screenplay Writer Can Help
Screenplay Writer is a Google Docs add-on that handles all screenplay formatting automatically — sluglines, character cues, transitions — so you can focus entirely on your story. Try it free for 21 days. Learn more here.