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Controls

Radim Brnka edited this page Jan 27, 2026 · 21 revisions

Control Areas

Mandelbrot Julia
image image

Control Area Buttons

Each of these buttons also has a respective hotkey.

Button Hotkey / Shortcut Action
Mandelbrot / Julia Switches between Mandelbrot and Julia fractals. When pressed with Ctrl, the fractal variables are persisted so you can see the equivalent sets
Z Switch fractals with persistence
View ▾ 0-9 Interesting locations for you to explore. Hotkeys only work for the first ten
Custom view Right Click / Long touch Shows delete dialog
Dive ▾ Shift+0-9 Thematic animated loops for you to explore. Hotkeys only work for the first ten (Julia only)
Palette ▾ T Palette selection dropdown (hotkey sets the next palette)
Demo / Stop D Enables demo mode / Stops current animation
cx / cy Alt+Arrows Sliders to adjust the C value (Julia only)
Capture Shift+S Takes a screenshot of the canvas without the controls. Includes watermark of the current coordinates
Save Alt+S Saves current fractal location into local browser storage (appears in View dropdown)
Reset Shift+R Resets current fractal to default view
Bottom bar Left Click C Copy current coordinates to clipboard
Bottom bar Right Click / Long touch P Edit current coordinates / paste JSON

Mouse & Touch Controls

Mouse Button Gesture Action
Left Button Drag One Finger Pan Pan
Right Button Drag Pinch & Rotate Rotate
Left Button Hold One Finger Hold Zoom-in to pointer
Right Button Hold - Zoom-out to pointer
Left Button Single Click One Finger Tap Center & Generate URL link
Left Button Double click One Finger Double-tap Zoom-in & Center
Right Button Double click - Zoom-out & Center
Wheel - Zoom
Middle Click - Toggle Julia preview
- Pinch / Spread Pan & Zoom & Rotate

Other Keyboard Controls

Key Action
F11 Toggle fullscreen
Enter Toggle controls
Q / W Rotate counter-clockwise / clockwise (Shift: Slower speed)
E Toggle guiding lines
Shift+T Toggle cyclic pallete transition animation
Alt+T Reset palette to default
Space Zoom-in (Option / Ctrl: Zoom-out, Shift: Smoother step)
A Force resize
L Toggle debug panel
Left / Right Horizontal pan (Shift: Smoother step)
Up / Down Vertical pan (Shift: Smoother step)
Alt+Left / Right Re (cx) stepping (Julia only) (Shift: Smoother step)
Alt+Up / Down Im (cy) stepping (Julia only) (Shift: Smoother step)

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