vZoom
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A feature-rich, smooth cinematic zoom mod for Minecraft (Fabric).
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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Description
⚠️ Project Status: Maintenance-Only
This project is now in maintenance-only mode.
- Feature Complete: No new features will be added.
- Updates: Development is limited to keeping the project compatible with newer versions.
- Support: Issue response times and PR reviews will be slower than usual.
vZoom
A feature-rich, smooth cinematic zoom mod for Minecraft (Fabric).
Hold the zoom key (default C) and scroll the mouse wheel to dial the zoom in
and out with effectively unlimited range, with look-sensitivity reduction,
saveable zoom profiles, and a configurable info HUD — all from one
version-independent engine that ships for two Minecraft targets.
Targets
vZoom is built around a shared, version-independent engine in :core. The same
engine drives two targets:
v1_21_11— Minecraft 1.21.11 (Mojang mappings, remap Loom, Java 21)v26_2— Minecraft 26.2 (Mojang names, NoRemap Loom, Java 25)
Both behave identically; only the low-level rendering / keybind glue differs.
Controls
All keybinds are configurable under Options → Controls. The auxiliary keybinds default to unbound so they never clobber your existing bindings — assign them if you want them.
| Action | Default | What it does |
|---|---|---|
| Zoom | C |
Engages zoom. How it engages depends on Activation Mode. While engaged, scrolling the wheel adjusts the zoom level. |
| Zoom In (step) | unbound | Zooms in by one notch per press (same as one scroll-up tick). Only does something while zoom is engaged. |
| Zoom Out (step) | unbound | Zooms out by one notch per press. |
How the zoom math works (short version)
- The applied FOV is
vanillaFov / currentZoom. A zoom of2.0halves the FOV (looks 2× closer);0.5doubles it (wide-angle "zoom out"). - By default scrolling uses geometric scaling: each notch multiplies the
current zoom by
scrollFactor, so steps feel perceptually uniform and the range is effectively unbounded. - The displayed value is the interpolated
currentZoom, which glides toward your scroll target using the chosen easing.
Config reference
Open the settings via Mod Menu (a suggested, optional dependency), or edit
config/vzoom.json directly and press Reload Config in-game. Every option
below is editable in the settings screen unless marked (JSON only). Booleans
toggle; numbers use +/- steppers; enums cycle.
Basic
| Option | Default | Description |
|---|---|---|
Zoom HUD (hudEnabled) |
true |
Master switch for the on-screen zoom indicator. Off hides the readout entirely. |
Cinematic Camera (cinematicCamera) |
true |
Enables Minecraft's vanilla "smooth camera" while zoomed, softening mouse movement for a cinematic feel. |
Retain Zoom on Release (retainZoomOnRelease) |
false |
When on, releasing the zoom key keeps the current zoom level instead of resetting to 1.0. Useful combined with Toggle activation. |
Activation Mode (activationMode) |
HOLD |
How the Zoom key engages zoom. HOLD = zoom only while held. TOGGLE = one press flips zoom on/off. DOUBLE_TAP = a quick double-press flips it on/off. |
Double-Tap Window (ms) (doubleTapIntervalMs) |
300 |
Max milliseconds between two presses to count as a double-tap (only used in DOUBLE_TAP mode). Lower = need faster taps. |
Reduce Look Sensitivity (reduceSensitivity) |
true |
Slows down mouse-look while zoomed so the view doesn't whip around at high zoom. Strongly recommended for aiming. |
Scale Sensitivity w/ Zoom (scaleSensitivityWithZoom) |
true |
If on, the look-slowdown grows with depth (deeper = slower). If off, a fixed factor set by Sensitivity Scale is used. |
Invert Scroll (invertScroll) |
false |
Reverses the scroll direction (scroll up = zoom out). |
Scroll & Easing
| Option | Default | Description |
|---|---|---|
Scroll Mode (scrollMode) |
GEOMETRIC |
How a wheel notch becomes zoom. GEOMETRIC multiplies the current zoom (smooth, unlimited range). LINEAR adds a fixed amount each notch. DISCRETE snaps between a fixed number of evenly-spaced levels (like camera-lens detents). |
Easing (easingMode) |
EXPONENTIAL |
The curve of the zoom transition. INSTANT snaps with no glide. EXPONENTIAL is the classic fast-then-settle glide. LINEAR moves at a constant speed toward the target. SMOOTH is a gentle ease-in-out. EASE_OUT accelerates then settles softly. |
Scroll Factor (scrollFactor) |
1.15 |
Multiplier per notch in GEOMETRIC mode. 1.15 ≈ +15% zoom in per notch. Higher = coarser steps. |
Scroll Sensitivity (sensitivity) |
1.0 |
Extra multiplier applied to every scroll delta. Higher = faster scrolling overall. |
Transition Speed (smoothing) |
14.0 |
Speed of the easing glide (higher = snappier, lower = lazier). |
Linear Step (linearStep) |
1.0 |
Zoom amount added/removed per notch in LINEAR mode. |
Discrete Levels (discreteLevels) |
16 |
Number of evenly spaced detent levels in DISCRETE mode. More = finer steps. |
Zoom Range
| Option | Default | Description |
|---|---|---|
Default Zoom (defaultZoom) |
5.0 |
Zoom multiplier applied the moment you engage zoom (before scrolling). |
Min Zoom (minZoom) |
1.0 |
Lower bound on the zoom value. Set below 1.0 (e.g. 0.6) to allow wide-angle zoom-out past the normal FOV. |
Max Zoom (maxZoom) |
4096.0 |
Upper bound. Purely a safety cap; raise it for extreme telescope zooms. |
Look Sensitivity
| Option | Default | Description |
|---|---|---|
Sensitivity Scale (sensitivityScale) |
0.5 |
Fixed look-speed multiplier used when Scale Sensitivity w/ Zoom is off. 0.5 = half-speed look while zoomed. |
Sensitivity Floor (sensitivityScaleFloor) |
0.02 |
Minimum look-speed multiplier when scaling with zoom, so very deep zoom never freezes the camera entirely. |
HUD
| Option | Default | Description |
|---|---|---|
HUD Style (hudStyle) |
TEXT |
Appearance of the indicator. TEXT shows x4.50. PERCENT shows 450%. BAR shows the multiplier plus a horizontal progress bar. COMPACT is a compact variant; MINIMAL hides the readout. |
HUD Position (hudAlign) |
BOTTOM_RIGHT |
Screen anchor: any corner, any edge center, or dead center. |
HUD Scale (hudScale) |
1.0 |
Text size multiplier for the indicator. |
HUD Color (hudColor) |
#FFB14E |
Text color of the main zoom line (cycles a palette in the screen; full ARGB in JSON). |
HUD Background (hudBackground) |
true |
Draws a translucent panel behind the indicator text for readability. |
Show FPS (showFps) |
false |
Adds an FPS: line to the indicator. |
Show Target Coordinates (showCoordinates) |
false |
Adds an XYZ: line showing the coordinates of the block (or entity) you are currently looking at — a long-range raycast, so it works far beyond your normal reach. Omitted if you're looking at the sky. |
Show Facing (showDirection) |
false |
Adds an 8-way compass heading (Facing: NW` etc.) line. |
Show Target Info (showTargetInfo) |
false |
Adds a line naming what you're looking at (block or entity display name) plus its distance, e.g. Diamond Ore (62.4m). |
HUD Offset X / Y (hudOffsetX, hudOffsetY) |
0 |
Pixel offsets nudging the indicator from its anchor for fine placement. |
HUD Background Color (hudBackgroundColor) (JSON only) |
#66000000 |
ARGB color of the indicator panel. |
Auto-Disable
Each of these, when on, forces zoom off while that condition is true (the key can still be held; it just won't engage). Handy to stop zoom fighting with combat or movement.
| Option | Default | Description |
|---|---|---|
Disable While Sprinting (disableWhileSprinting) |
false |
No zoom while sprinting. |
Disable While Flying (disableWhileFlying) |
false |
No zoom while creative flying or gliding with an elytra. |
Disable While Using Item (disableWhileUsingItem) |
false |
No zoom while eating, drawing a bow, blocking, etc. |
Disable While Underwater (disableWhileUnderwater) |
false |
No zoom while submerged. |
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vZoom in action
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