Porcupine works out what you're writing as you write it and automatically formats everything for you. No need to memorise shortcuts or manually style the page, just focus on telling your story.

Porcupine is clean, easy-to-use and distraction-free straight out-of-the-box. Sidebar getting in your way? Hide it for a truly minimalist writing experience.

Porcupine runs on everything (Windows, Mac, Chromebooks, etc.), on any modern desktop browser, or offline as a web app. No accounts, registration or downloads needed, just open it up and start writing, no matter where you are.

Instantly export your screenplays as Fountain files, compatible with virtually all other screenwriting apps, or industry-standard PDFs, ready to share or print. You can also easily import existing Fountain files into Porcupine.

Everything you need to get your ideas from draft to final screenplay. Jot down ideas using the built-in notepad, reorganise your story with the scene overview panel and track word count, lines per character, average scene duration, etc. using the integrated stats view.

Porcupine doesn't collect, upload or read anything. Everything stays on your computer, inside your browser. Your files are stored as Fountain files, a readable, plain-text format which is portable and future proof. You're always free to export your files, and never stuck using Porcupine if it's not for you.

Focus on getting ideas down quickly and easily with essential quality of life features inspired by your favourite text editors and screenwriting apps. Features include: Autosave with version history, Autocomplete for names and scenes, Support for automatic and custom scene numbering, Automatically closing brackets/parentheticals, Automatic line breaks/spacing, Easily move, rearrange or duplicate lines and sections, Find and replace text across the whole screenplay, Simple file management, Dark mode.