Create viral short-form

videos in seconds

Make better content faster. Go from idea to script in 60 seconds

Try it free

From idea to script

in 60 seconds

Sandcastles handles the heavy lifting of content research and scriptwriting, so you can focus on bringing your short-form videos to life

Add topic

Describe your video in a single sentence to kickstart the process

Conduct research

We automate the research process and identify the most compelling facts

Select angles

We'll suggest several interesting angles for your topic which you can optionally include/exclude

Generate script

Our scriptwriting model will build a world-class script for you

Create viral videos

without the guesswork

Research, tone, structure -- done automatically

Research Explorer

Input any video topic and we'll automatically aggregate and analyze all relevant sources

Select from recommended links or optionally add your own from YouTube, Instagram, X, blogs, newsletters, or PDFs. If you can link it, we can ingest it

Theme Developer

Select from the most interesting themes and pair with relevant research facts to develop a viral story

Build your outline with manual controls and or let our storytelling models oneshot the best story structure for you

Create any non-listed original themes or input additional research points to round out your storylens

Script Writer

Review generated scripts written using validated viral storytelling frameworks

Generate multiple versions or select sections to tweak and rewrite

Chat directly with our storytelling agent to hone tone, style, length, and personalization. View changes in an easy to use A/B layout

Pricing made easy

Monthly

$39

USD / month

Billed monthly

Source Generation

Research Explorer

Theme Designer

Script Writer

Access to the latest model

Annual

save 17%

$33

USD / month

$399 billed annually

Source Generation

Research Explorer

Theme Designer

Script Writer

Access to the latest model

Try it free

Frequently Asked Questions

Can I cancel my plan?

Yes, you can cancel your plan at any time in the settings with no questions asked.

Am I able to add my own research, facts, and angles?

Yes, in each stage of the process, there is a manual input field where you can paste your own source links, add your angles, or enter your own research facts.

This helps tailor the storyline based on your unique insight.

How much does Sandcastles cost?

Please view out pricing table. Monthly plans start at $39/month and annual plans are $33/month (17% discount)

Can I change my plan after I subscribe?

Yes, you can upgrade to the annual tier (and unlock the 17% discount) at any time

Still have questions?

Get in touch

Create viral videos without the guesswork.

Sandcastles turns ideas into world-class scripts. Research, tone, structure—done. It’s fast, seamless, and built for creators who want to focus on the work they love, not the work that slows them down.

Try it free