Choose a course excerpt that teaches one action or explains one misconception without requiring the rest of the lesson. Keep its prerequisite and example together. If the explanation depends on a dense slide or a longer sequence, select a different passage instead of compressing away the teaching.
Write a small learning objective
Describe what a viewer should understand or be able to try after the clip. ‘Understand the whole module’ is too broad; ‘recognize why this chart label matters’ is more specific. Find the source passage that actually delivers that objective. Avoid presenting an introductory clip as a complete qualification, certification or substitute for the full course.
Keep the demonstration understandable
Preview the source on a phone before selecting the crop. Full-frame layout preserves a slide or screen share, but small text may still be unreadable. A fixed crop can suit a spoken explanation that needs no slide. CastCuts does not rebuild slide graphics, zoom through a multi-step demonstration or add replacement B-roll. Choose source material that works with the available framing.
Explain what the clip covers
Review specialist vocabulary in English captions and keep conditions such as ‘after completing the first step’ when necessary. Use the opening headline for the specific lesson. In your post description, identify the course or full lesson accurately and provide an appropriate next step. Publish only material you have permission to share, including participant contributions and third-party visuals.
One misconception can make a complete lesson
Illustrative example. The people, recordings and results described here are fictional.
A fictional course explains five chart types. Instead of squeezing all five into a minute, choose the passage showing why a truncated axis can change the impression of a result. Keep the relevant visual and explanation together. If the chart cannot be read in the portrait export, select the instructor’s spoken summary or prepare a clearer source.
A short lesson needs one useful outcome and the evidence needed to understand it.
Check before you finish
- The excerpt delivers one stated learning objective.
- Prerequisites and essential demonstration details remain understandable.
- The headline describes this lesson without overstating its completeness.
Practical questions
Can CastCuts turn slides or a PDF into a video?
The workflow starts with a recording containing video and audio. It does not animate a slide deck, synthesize a lesson or generate a voiceover.
Can I automatically caption a non-English course?
Automatic transcription currently supports English. The website’s translated marketing pages do not imply multilingual transcription.
Use this workflow in CastCuts
Preserve slide context in recorded-session clips
CastCuts selects continuous 1–90 second excerpts and exports 9:16, 720 × 1280 H.264/AAC MP4 files. Automatic transcription and transcript-based suggestions support English and require review. Free exports include CastCuts branding; Pro removes it from new renders for $9 USD/month, with the same processing and storage limits. Episode media is retained for 24 hours. Keep your originals and download finished clips before expiry. Publishing is manual.