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Controls
Radim Brnka edited this page Jan 26, 2026
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21 revisions
| Mandelbrot | Julia |
|---|---|
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Each of these buttons also has a respective hotkey.
| Button | Hotkey | 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 |
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 (hotkeys 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 Click |
C |
Copy current coordinates to clipboard |
| 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 |
| 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) |
By Radim Brnka © 2025-2026

