Free screenwriting software can mean an ongoing plan, a temporary trial, or an evaluation version. WriterDuet’s free plan includes three projects without watermarks or page limits, making its writing allowance clear.
Choose around the work you need to finish, not the word “free.” Writing alone and exchanging editable files require different checks. The screenwriting software comparison guide covers the broader choice beyond free access.
What counts as free screenwriting software?
The useful distinction is whether access expires or has usage restrictions. A project limit affects how many scripts you keep active. A trial deadline affects when you must decide whether to pay. Neither label alone tells you whether exported pages carry a watermark, a visible mark added to the output.
- Free plan
- A free plan is ongoing access without a subscription charge, subject to stated limits. Check project allowances, output restrictions, and which features remain available.
- Free trial
- A free trial is temporary access for evaluating software. Check the deadline and what happens to editing and exports afterward.
- Demo
- Also called Evaluation version
- A demo is an evaluation version of an application. The label alone does not establish its time limit, export permissions, or watermark policy.
WriterDuet
WriterDuet combines a defined free writing allowance with broad export options. The October checks confirm three free projects without watermarks or page limits, with no credit card required. A writer keeping a short film and a feature draft can compare that allowance directly with their workload. The separate 14-day trial covers paid features, not the duration of the free plan.
Where WriterDuet is stronger
WriterDuet is a stronger candidate when shared editing and file exchange drive your choice. Its October checks confirm live shared editing and exports including PDF, Final Draft, and Fountain. A paid subscriber can invite a free collaborator to edit a shared project. Features such as revisions require a paid plan.
Celtx
Celtx provides browser-based screenwriting and preparation for filming, with a free plan. The October checks confirm shared editing, comments, and script markup within that plan. Writing partners can discuss a scene on the script. Confirm project limits, watermark terms, and export permissions before choosing it for a finished draft.
Where Celtx is stronger
Celtx deserves attention when collaboration must be included in the free plan. The October check explicitly confirms that inclusion. Partners who need to see who is present and leave comments have a documented starting point. That does not establish unlimited projects or unrestricted exports.
Highland Pro
Highland Pro suits writers who want Fountain text across Mac, iPad, and iPhone. The October checks confirm a 30-day trial, not an ongoing free plan. Its subscription costs $9.99 monthly or $59.99 yearly, with regional differences. For example, assess its text-based workflow before the trial ends.
Where Highland Pro is stronger
Highland Pro is a stronger candidate when editable plain text matters most. Its October check establishes Fountain as the document’s underlying text. A writer who wants to open that text elsewhere can weigh this against a PDF-only workflow. Confirm any other required export format before committing.
Fade In
Fade In offers desktop screenwriting with a purchase rather than a subscription. The October checks confirm Windows, macOS, and Linux support, with an individual license priced at $79.95 once. Evaluation restrictions are not verified here. Before drafting, confirm the vendor’s demo terms, including cost, watermarks, time limits, and shared-editing restrictions.
Where Fade In is stronger
Fade In is worth considering when desktop access and a single license payment matter more than ongoing free access. A Linux writer avoiding subscriptions has a verified candidate. Those platform and purchasing details come from the October checks. They do not establish the demo’s output permissions.
Where does Scriptsolo’s free plan fit?
The Free plan fits a writer keeping 1 active screenplay and delivering a PDF. It costs $0 and includes a limited monthly allowance of AI credits. When credits run out, generation pauses, but the project remains available. Check Scriptsolo’s plan details against the work you need to complete.
Where Scriptsolo is stronger
The documented benefit is continued project access when the monthly AI allowance runs out, not an overall advantage over other tools. A writer can distinguish paused generation from losing access to the project. PDF delivery also differs from handing a partner an editable screenplay file. Final Draft and Fountain exports are not available.
Which free options use plain text or open source?
A screenplay can commonly be written in a plain-text editor using Fountain, then converted into formatted pages. For example, keep the writing as text before choosing a conversion tool. The verified sources here do not establish a named open-source application. Plain text describes a file’s contents, not an application’s licensing.
- Fountain
- Fountain is a plain-text markup for screenplays, using text conventions to identify screenplay elements. Fountain files use UTF-8 text and are commonly saved with the .fountain extension.
When is it worth paying?
Consider paying when a confirmed restriction blocks work you actually need. A collaborator’s required file format matters more than features you may never use. Check that the plan you are considering supports the required output before committing your draft. Keep software decisions separate from craft questions in the screenwriting guides.
Last verified: October 2026