Screenstudio Alt

Screen-Studio-style post-production for screen recordings, headless — auto speed-up of idle, auto-zoom on click clusters, keystroke overlay chips, smoothed synthetic cursor, and 9:16 vertical export that follows the action. Use when polishing a screen recording / demo video for sharing, when the user mentions Screen Studio, auto-zoom, idle speed-up, or vertical/social video from a screen capture, and for any social-facing demo (vertical output is the default for those).

11 stars 1 forksImages, Video & Audio

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add connerkward/screenstudio-alt-skill --skill screenstudio-alt

Manual install

git clone --depth 1 https://github.com/connerkward/screenstudio-alt-skill.git /tmp/screenstudio-alt-skill
mkdir -p ~/.claude/skills
cp -r /tmp/screenstudio-alt-skill/. ~/.claude/skills/screenstudio-alt

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# screenstudio-alt

The skill's code lives in this directory (`polish.py`, `render.py`, `studio.py`,
`events-log.swift`, test fixtures, etc.). Published publicly as
`connerkward/screenstudio-alternative-skill`.

Two components:

- `events-log` (Swift) — capture-side input logger (cursor 60Hz, clicks, keys;
  drops keys during macOS secure input). Runs ONLY while recording. Needs
  Accessibility/Input Monitoring for the terminal. **Auto-zoom/keys/cursor need
  this data at capture time — it cannot be recovered from pixels later.**
- `polish.py` (Python, ffmpeg + PIL) — the post-production pass:

```bash
python3 src/polish.py in.mp4 --events in.events.jsonl \
  --speedup            # compress idle (input-gap ∩ frozen-pixels; animations stay 1x)
  --zoom               # eased auto-zoom on click clusters (zoompan)
  --keys               # accumulating keystroke chips (PIL overlays, no drawtext dep)
  --smooth-cursor      # synthetic eased cursor (best with sck-record --no-cursor)
  --vertical           # ALSO emit 1080x1920 following the action
```

`--speedup` works WITHOUT events (freezedetect only) — usable on the whole
existing dailies corpus.

- `render.py` — **high-quality non-destructive renderer** (preferred): single-pass
  spring-physics camera over the original high-res frames, LANCZOS into a smaller
  target (crisp zoom, ~1.3× sharper than the ffmpeg upscale path), 60fps, H + 9:16 V.
  Tunable `--freq`/`--zeta` (spring), `--fps`, `--target-w`. Takes explicit

Read the full skill on GitHub

Details

Skill name: screenstudio-alt
Repository: connerkward/screenstudio-alt-skill
License: MIT
Repo updated: 23 June 2026

FAQ

What does the Screenstudio Alt skill do?

How do I install the Screenstudio Alt skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add connerkward/screenstudio-alt-skill --skill screenstudio-alt. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Screenstudio Alt popular?

It lives in connerkward/screenstudio-alt-skill, which has 11 GitHub stars and 1 forks.

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