Every stroke is simultaneously rendered across 3 independent frames with subtle coordinate jitter noise. The 12 FPS playback loop continuously cycles through these frames to produce a hand-drawn cartoon "line boil" animation.

Yes! Switch the canvas mode to [Transparent] or [OBS Chroma Green]. When you click [Export GIF], the background color is preserved or made transparent so your animation looks amazing anywhere.

Absolutely. Native pointer events support stylus pressure, finger touches, and mouse drags with touch scrolling lock (touch-action: none) for a smooth drawing feel.

Yes! Use the floating [− / + / 100%] zoom controls in the bottom-right corner or hold Ctrl while scrolling the mouse wheel. To pan around when zoomed in, hold Space and drag or toggle the Hand tool (✋) button.

Stream Doodle features distinct brushes including standard Pen (with Circle ● and Square ■ tip shapes for pixel art), Paint Bucket (flood fill across all 3 boiling frames), Spray, and Pencil. You can switch brush tips and adjust Opacity (10%–100%) to create translucent highlighter pens and subtle layered color blends.

Whenever a photo is imported, a floating [✕ Remove Photo] badge appears right above the canvas, as well as a remove button in the left sidebar. Clicking either button completely clears the reference photo layer.

No. Everything runs 100% locally in your web browser. No accounts, no cloud uploads, and complete creative privacy.