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Install the Recharm video effects skill: download https://recharm-growth-staging.s3.us-east-2.amazonaws.com/website/downloads/recharm-video-effects.zip and unzip it into ~/.claude/skillsAsk for the effect
Add a tilt-shift miniature to input.mp4 Where the sharp band starts and ends, as shares of the frame height from the top: 0.45, 0.68 Share of the frame height over which the blur fades up to full strength on each side: 0.15
Several videos, several effects, one ask
Put your clips in the folder, mention them with @, and ask for everything at once. Claude runs one tested script after another on each clip, then joins them.
Add a tilt-shift miniature to @clip1.mp4, put a sale badge on @clip2.mp4, give @clip3.mp4 a VHS look, then join all three with crossfades.
Settings you can change
Ask Claude to change any of these, or edit them at the top of the command.
| Setting | Default | What it does |
|---|---|---|
BAND_TOP, BAND_BOTTOM | 0.45, 0.68 | Where the sharp band starts and ends, as shares of the frame height from the top. |
FEATHER | 0.15 | Share of the frame height over which the blur fades up to full strength on each side. |
BLUR | 18 | Blur sigma in pixels at the top and bottom. Higher looks smaller. |
SATURATION | 1.5 | Color boost (1 is unchanged). |
CONTRAST | 1.1 | Contrast boost (1 is unchanged). |
START | 0.5 | Second the miniature look starts fading in. |
RAMP | 0.5 | Seconds it takes to reach full strength. |
Without the skill
Don’t want to install the skill? Paste this prompt into Claude Code and Claude writes the command itself.
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In input.mp4 (540x960), add a tilt-shift miniature look with ffmpeg. Boost the whole picture first (eq saturation 1.5, contrast 1.1). Keep a horizontal band from 45% to 68% down the frame (y 432 to 653) fully sharp; above and below it, blend in a Gaussian-blurred copy (sigma 18 px) whose opacity rises linearly from 0 at the band's edge to 100% at 15% of the frame height away from it (so fully blurred above 30% down, y 288, and below 83% down, y 797), across the full width. Before 0.5 seconds leave the video untouched; fade the miniature look in over the original from 0.5s to full strength at 1.0s and keep it to the end. Keep the size, 30fps, 6 seconds and the audio. There's no text to draw, but if you add any, draw it with Pillow, not ffmpeg's drawtext. Encode H.264 yuv420p and save it as output.mp4.Run it without Claude
This is the exact command we tested. Save it as tilt-shift-miniature.sh and run:
sh tilt-shift-miniature.sh input.mp4 output.mp4Show the command
#!/bin/sh
# Tilt-shift miniature: a sharp band across the middle, the top and bottom blurring away and colors boosted, so the scene looks toy-sized.
# Usage: sh tilt-shift-miniature.sh input.mp4 output.mp4
# Needs ffmpeg.
set -e
IN="$1"; OUT="$2"
BAND_TOP=0.45 # where the sharp band starts (0-1 down the frame)
BAND_BOTTOM=0.68 # where the sharp band ends
FEATHER=0.15 # share of the frame height over which the blur fades up to full strength
BLUR=18 # blur sigma in pixels at the top and bottom edges
SATURATION=1.5 # color boost (1 = unchanged); toy scenes look extra vivid
CONTRAST=1.1 # contrast boost (1 = unchanged)
START=0.5 # second the miniature look starts fading in
RAMP=0.5 # seconds it takes to reach full strength
ffmpeg -y -v error -i "$IN" -filter_complex "
[0:v]eq=saturation=$SATURATION:contrast=$CONTRAST,split=3[sharp][b][m];
[b]gblur=sigma=$BLUR[blurred];
[m]format=gray,geq=lum='255*min(1,max(0,max($BAND_TOP-Y/H,Y/H-$BAND_BOTTOM))/$FEATHER)'[mask];
[blurred][mask]alphamerge[edges];
[sharp][edges]overlay,format=yuva420p,fade=t=in:st=$START:d=$RAMP:alpha=1[mini];
[0:v][mini]overlay,format=yuv420p[v]" \
-map "[v]" -map 0:a? -r 30 -c:v libx264 -crf 18 -c:a copy "$OUT"
