Boil

Scribble that breathes.

1–4 brushes · R mirror · I dropper · Ctrl+Z/Y · ↑↓/scroll adjust · right-click brush

Crop

Fade

Size 10

Pen · right-click brush · Ctrl+Z/Y

Pick a crayon. Make a mess.

Brush

Size 10 Min 20%

Boil 55% Opacity 100%

Wave · Pro

Hair sine — regular by default

Curl 35% Swing 70% Speed 40%

Mirror

Brush · Undo/Redo · mirror · pen pressure

Buy Boil Pro · $2

Clean GIF · My paper · Wave, Ribbon, Grass, Glitter.

Clean GIF (no demo stamp)
My paper
Pro brushes (Wave, Ribbon, Grass, Glitter)

Pay $2 on itch (checkout)

Paste itch download key OR your Pro key

Key

First time: checkout → copy itch Download KEY. You’ll get a Pro key (BOIL-…) — save it for a 2nd device (max 2).

This browser blocked saving Pro. Keep your BOIL-… key — paste it again next visit.

Save your Pro key

Use this on another browser or phone (max 2 devices). Don’t post it publicly.

GIF exports the boil · Crop sets the size.