Celtx – Free screenwriting tool for film, theater, and more

Celtx for Mac is a complete toolkit for anyone who wants to write screenplays, plan scenes, create storyboards, or develop stage plays and podcasts. It’s used by indie filmmakers, educators, and professionals, and it’s available with a generous free plan — especially if you’re using the browser-based desktop version.

Ready to write your own script? Celtx is one of the most user-friendly and polished free options out there.

Screenwriting and features

Celtx script editor in the browser with a formatted film scene and a navigation panel with a scene list on the right.

Celtx gives you classic screenplay formatting with correct industry-standard layout. Whether you’re writing a short film, a TV episode, or a stage play, you can pick a template and the app ensures your script follows best practices with clear scene headings, dialogue, and action lines.

Beyond the script itself, you can add:

  • Storyboards (with images and notes)
  • Shot lists (camera angles and scenes)
  • Scene scheduling (date, time, and shooting location)
  • Character descriptions and props
  • Cloud collaboration when you create an account

Top 5 tips for Celtx

Pick the right template from the start

Select whether you’re writing film, theater, audio, or something else before you begin — formatting will automatically follow industry standards.

Create a free account right away

You’ll need a Celtx account to write in the browser — signing up is free and unlocks all core features.

Use notes to plan your project

Add notes to characters, scenes, and props — use them actively to keep track of ideas as you work.

Save regularly and export as PDF

Celtx autosaves to the cloud, but export to PDF periodically — you’ll have a backup and an easy way to share your script.

Consider a paid plan for larger productions

If you work in a team or need advanced production tools like shot lists and budgeting, upgrading can be worth it.

Interface and usability

Celtx is built for structure and clarity. Everything from screenplay formatting to scene planning happens in a clean, readable layout. New users can get up to speed quickly, and there are plenty of tutorials online.

It’s especially great for:

YouTubers and podcasters

Media students and educators

Independent filmmakers

Writers and playwrights

How to get started with Celtx (web version)

Although Celtx no longer offers a downloadable version, you can get started quickly via their online platform:

  1. Go to celtx.com
  2. Click “Start Creating” or “Sign Up” in the top-right corner
  3. Create a free account with your email or Google login
  4. Choose a project type (screenplay, storyboard, etc.)
  5. Start writing directly in your browser — your progress is saved to the cloud

The free plan includes screenwriting and limited cloud storage. You can upgrade anytime if you need collaboration features or more space.

 

Reviewer’s rating with pros and cons, and user ratings

Celtx is one of the best free screenwriting tools on the market. It’s professional, user-friendly, and runs directly in your browser. However, the former desktop version is no longer available, and the free plan is now somewhat limited compared to earlier releases.


Pros:

✅ Free online screenwriting
✅ Professional formatting for film, TV, and theater scripts
✅ User-friendly interface and scene navigation
✅ Includes storyboard and planning tools
✅ Cloud-based collaboration and syncing

Cons:

❌ Desktop version is no longer available for official download
❌ Free plan has limited features
❌ Requires an account to use the app


Supported operating systems and platforms:

🌐 Web browser (Chrome, Firefox, Safari, Edge)
🍏 macOS (former desktop version only, now discontinued)
🟦 Windows (former desktop version only, now discontinued)
🐧 Linux (via browser – no local version)

Note: Celtx now primarily operates as an online web app and requires an internet connection.

User Rating