The first screenplay I completed was terrible. The dialogue was overwritten, the action lines read like a novel, and I had camera directions on every other line, even though nobody had asked me to direct the film. But finishing that script taught me something that reading about screenwriting never could: the format is not a creative limitation. It is the structure that makes creativity possible.
Writing a screenplay is different from every other form of writing. You are writing a blueprint for a collaborative visual production. Every word on the page exists to serve the people who will turn your script into a film: directors, actors, cinematographers, editors, and dozens of other professionals.
Here are the 15 steps I follow when writing a screenplay, from the foundational decisions to the specific formatting elements.
How to Write a Screenplay
Whether it's your first screenplay or your tenth, these guidelines will help you build a script that's both engaging and professionally formatted.
Understand spec scripts and shooting scripts
Before you write a word, you need to know which type of script you are writing. A spec script (short for speculative) is written on your own initiative, without being hired or commissioned. This is what most beginning screenwriters write. A spec script focuses on story, character, and dialogue. It does not include camera directions, shot lists, or scene numbers.
A shooting script is a production document. It includes scene numbers, camera angles, and technical notes that the production team needs. You do not write a shooting script unless you are directing the film yourself or a production company has purchased your spec script and asked you to develop it further.
If you are writing to sell or submit to competitions, write a spec script. Including camera directions in a spec script is one of the fastest ways to get your script rejected.
Use standard screenplay format
Screenplay formatting is not optional. The industry uses a standardized format because it serves a practical purpose: one properly formatted page equals one minute of screen time. This ratio allows producers to estimate a film's runtime from the page count.
The standard format uses Courier 12-point font, 1.5-inch left margin, 1-inch right margin, and specific indentation rules for each element type. If you are using screenwriting software, these settings are built in. If not, set them up before you start writing.
Plot your story
Before writing the script, plot the story. A screenplay is built on a three-act structure: setup, confrontation, and resolution. Within that framework, identify your inciting incident, your midpoint reversal, your climax, and your resolution.
Create a screenplay outline that maps every major scene. Some writers use index cards, one scene per card, so they can rearrange the order. Others write a treatment, a prose version of the story that covers every scene in narrative form. Either approach gives you a roadmap before you start the actual script.
Edit for fluid movement
Screenwriting is visual storytelling. Every scene should flow into the next with purpose. If a scene does not advance the plot, reveal character, or build tension, it does not belong in the script, regardless of how well it is written.
Read your script as if you were watching the film. Does the pacing feel right? Are there scenes that stall? Are there jumps that feel disorienting? A well-edited screenplay reads like a film plays: smoothly, with each scene earning its place.
Be original without trying to be original
The most original screenplays come from writers who focus on telling an honest story rather than trying to subvert expectations for its own sake. Write what you know, what you feel, and what you find interesting. Originality is a byproduct of authenticity, not a goal in itself.
Study films in your genre. Understand the conventions, then make deliberate choices about which conventions to follow and which to challenge. A writer who breaks rules without understanding them produces chaos. A writer who breaks rules strategically produces innovation.
Choose script writing software
Dedicated screenwriting software automates formatting so you can focus on the story. Industry-standard screenwriting tools produce script files in formats that studios universally accept.
You can also use Google Docs or Microsoft Word with a screenplay template, though you will spend more time manually managing formatting. For serious screenwriting, dedicated software is worth the investment.
Write the title page
The title page includes the title of the screenplay (centered, in all caps), "Written by" below the title, your name below that, and your contact information in the lower left or right corner. Do not include the date, draft number, or WGA registration number on a spec script title page. Keep it simple.
Write the first page
The first page of your screenplay is the most important page. Readers decide within the first page whether to continue. Open with a strong scene heading, a vivid action line that establishes the world, and an early moment that hooks the reader's attention.
Do not open with a character waking up, looking in a mirror, or sitting in traffic. These openings are clichés that signal an inexperienced writer. Start with something happening. Action, conflict, or a striking image that makes the reader want to know more.
Write scene headings (slug lines)
A scene heading (also called a slug line) tells the reader three things: whether the scene is interior or exterior (INT. or EXT.), the location, and the time of day. It is written in all caps. Example: INT. DETECTIVE'S OFFICE - NIGHT.
Be specific with locations. "INT. HOUSE" is less useful than "INT. SARAH'S KITCHEN." The location should tell the production team where to set up. The time of day affects lighting, so it matters for every scene.
Write action lines
Action lines describe what the audience sees and hears. They are written in the present tense, left-aligned, and should be concise. A good action line paints a picture without overwriting. "Sarah slams the door" is better than "Sarah, overcome with frustration and anger at the conversation she just had, slams the heavy wooden door behind her."
Keep action paragraphs to four lines or fewer. Long blocks of action text slow the reader down. If a sequence requires more description, break it into multiple short paragraphs with line breaks between them.
Write dialogue
Dialogue in a screenplay is centered beneath the character's name. The character name appears in all caps, centered, each time the character speaks. Dialogue should sound natural but be more efficient than a real conversation. Real people ramble, repeat themselves, and say "um." Screenplay dialogue cuts the filler and gets to the point while still sounding authentic.
Each character should have a distinct voice. If you can swap dialogue between two characters and it still works, the voices are not distinct enough. Give characters different vocabularies, sentence lengths, speech patterns, and verbal habits.
Use parentheticals sparingly
Parentheticals are brief acting directions placed between the character name and the dialogue. They appear in parentheses and are used to clarify tone when the dialogue alone might be misread. Example: (sarcastically) or (whispering).
Use parentheticals rarely. If the dialogue is well-written, the tone should be clear without direction. Actors dislike parentheticals because they feel like the writer is telling them how to perform. Use them only when the intended reading is ambiguous.
Write transitions
Transitions like CUT TO:, DISSOLVE TO:, and FADE OUT. are right-aligned and written in all caps. They indicate how one scene transitions to the next. Modern screenwriting uses fewer transitions than older scripts. A simple change in scene heading implies a cut, so CUT TO: is often unnecessary.
FADE IN: appears at the beginning of the screenplay. FADE OUT. appears at the end. DISSOLVE TO: suggests a passage of time. SMASH CUT TO: emphasizes a jarring transition. Use transitions only when the type of transition is important.
Use chyrons and title cards
A chyron is text that appears on screen to establish a time or location. Write it as a separate element in all caps: CHYRON: "Three Years Later" or TITLE CARD: "Based on true events." Chyrons are useful for time jumps, location changes, and opening text.
Use chyrons when the information cannot be conveyed through the action or dialogue. If a character can say, "It's been three years since I've been here," you do not need a chyron to communicate the same information.
Write montages
A montage is a series of short scenes or images that condense time or show a process. Write MONTAGE: followed by a dash-separated list of brief descriptions. Example:
MONTAGE: -- Sarah runs in the park at dawn -- Sarah lifts weights in a crowded gym -- Sarah shadowboxes alone in her apartment -- Sarah studies fight footage on her laptop.
End the montage with END MONTAGE. and continue with a standard scene heading. Montages are effective for training sequences, relationship development, and showing the passage of time without burning multiple full scenes.
Final Remarks
Screenwriting is a craft that improves with practice. Your first screenplay will have problems, and that is expected. The goal is to complete it, learn from it, and start the next one. Each script you finish will be better than the last because you will have a deeper understanding of how the format, structure, and storytelling work together.
Read produced screenplays. They are available online, and reading them teaches you more about formatting and pacing than any textbook. Pay attention to how professional writers handle screenplay structure, dialogue, and visual storytelling. Then apply those lessons to your own work.
Related Resources
Frequently Asked Questions
Here are answers to the most common questions about writing a screenplay.
What is the difference between a script and a screenplay?
A screenplay refers to a script written for film or television. A script is a broader term that includes screenplays, stage plays, radio plays, and other performance formats. In practice, the terms are used interchangeably in the film industry. You can learn more in our guide on screenplay vs script.
How do you start writing a screenplay?
Start with a premise: a one or two-sentence summary of your story. Then develop a screenplay outline that maps your major scenes to a three-act structure. Once you have the outline, choose your screenwriting software and begin writing the first scene. Do not start with the title page. Start with the opening scene and build momentum.
Can anyone write a screenplay?
Yes. Screenwriting is a learnable skill. You do not need a degree, industry connections, or special talent to start. You need an understanding of the format, a story you want to tell, and the discipline to complete a draft. Many successful screenwriters started with zero experience and taught themselves through practice and study.