Ludo.ai
Unity

AI Sprite Generator for Unity

A sprite animator that brings a static sprite to life in one step: write a motion prompt or pick from 641 motion presets across 34 categories, then export a packed, engine-ready sprite sheet or GIF.

Creature Animations
Hand-painted · 36 frames

How does an AI sprite generator for Unity work?

An AI sprite generator for Unity turns a text prompt or reference image into animated character sprites and sprite sheets, exported in Unity-ready formats. With Ludo you describe a character, generate idle, walk, run, and attack animations, and download a packed sprite sheet on a regular grid that slices in Unity's Sprite Editor and drives an Animator clip.

Updated October 2026
Made with Ludo

Animations generated with Ludo

Each of these started as one static image. The motion is generated.

Walking Animations
Low-poly 3D · 36 frames
walking forward at a steady pace
Idle Animations
Cel-shaded · 25 frames
soft idle pose, hair and skirt swaying with subtle breathing
Attack Animations
Stylized 3D · 25 frames
winds up and slams the war-hammer into the ground
Death Animations
Neon · 36 frames
takes a fatal blow to the chest and collapses to the ground
Creature Animations
Hand-painted · 36 frames
phoenix in full flight, wings beating powerfully, trailing ribbons of radiant flame
Item Interactions
Cartoonish · 25 frames
chest unlocking and swinging open to release a burst of golden light
Visual Effects
Cel-shaded · 36 frames
explosion ignites from an empty frame: nothing at all, then a tiny spark flashes at the centre and a fireball erupts and expands rapidly outward, growing brighter and larger with flying embers and smoke
Animated UI Elements
Cartoonish · 36 frames
power bar fills with fire
Motion types that drop straight in: Idle · Walk and run cycles · Attacks · Hit reactions · Death · Spell casting · Jumping · Damage taken · Looping cycles · One-shot effects · Transitions
Unity workflow

From Ludo to a Unity Animation clip

Spritesheets export as transparent PNGs with a regular grid, exactly what Unity's Sprite Editor slices. The file name records the frames, rows and columns.

Export the spritesheet

Pick a frame count (4, 9, 16, 25, 36, 49 or 64) and a sprite size in Ludo and download the transparent PNG sheet. A sheet is not always a square grid, so read the layout from the file name, which records the frames, rows and columns. The frame count is a maximum, so a clip can come back with fewer frames; the file name tells you the grid either way.

Import as a Multiple sprite

Drag the PNG into Assets, set Texture Type to "Sprite (2D and UI)" and Sprite Mode to "Multiple". For pixel art, set Filter Mode to "Point (no filter)".

Slice in the Sprite Editor

Open the Sprite Editor and choose Slice, then Grid By Cell Count. Enter the columns and rows from the file name, and Unity works out the cell size for you. Grid By Cell Size also works if you know the exact cell size of the sheet.

Create the Animation clip

Select the sliced frames and drag them into the Scene, and Unity creates the Animator and Animation clip for you. Set Pixels Per Unit to taste.

Or skip the export entirely

The Ludo Unity plugin generates sprites and animated spritesheets (Hydra, Forge or Forge Pixel) directly inside the Editor and saves the PNG, an optional GIF and, on Hydra, the sound effect into your project. It also covers 3D models and audio. No browser download or manual import needed.

Unity-ready exports:
Spritesheet PNG (grid)Per-frame sequenceTransparent backgroundsPoint-filter friendly pixel art
Export-ready:
Animated GIFSpritesheet PNGJSON metadataPer-frame sequenceMP4 video
Walk cycles

Walk cycles from a named preset

A walk cycle is the loop a character plays every time it moves, and the preset library has a whole category of walks, from standard and stealth walks to limps, strafes and a march, with crouched, stair, weapon and zombie walks elsewhere in the library. Pick one, choose a camera perspective and a compass direction, and the walk comes back on your own sprite as a loop-ready sprite sheet. For the full steps, see how to make a walk cycle.

Open the Walk Cycle Generator
Walk Forward (Standard) animation preset preview
Walk Forward
Walk Forward (Stealth) animation preset preview
Stealth walk
Crouch Walk animation preset preview
Crouch walk

What devs build with it

Static 16-bit pixel art fox sprite, the input pose

Animate commissioned art

One character image becomes every movement cycle. The static pixel art fox on the left is the only input.

Consistent enemies and NPCs

Motion transfer: pick a preset once, apply it to anyone. The adventurer and guard are both driven by the exact same wave preset, with no rigging and no per-character animation work.

VFX and impact frames

Explosions, slashes, and hit flashes as frame sequences.

FAQ


  • How do I import an AI-generated sprite sheet into Unity?

    Drag the PNG into your Unity Assets folder, set Texture Type to "Sprite (2D and UI)" and Sprite Mode to "Multiple", then slice it in Unity's Sprite Editor with Grid By Cell Count, entering the columns and rows from the file name Ludo gave the sheet.


  • Does this work with Unity's Animator and Animation clips?

    Yes. After slicing the sheet in the Sprite Editor, select the frames and drag them into your Scene. Unity automatically creates the Animator controller and an Animation clip from the sprite frames.


  • What Filter Mode and Pixels Per Unit should I use for pixel art in Unity?

    Set Filter Mode to "Point (no filter)" so Unity doesn't blur the pixels, disable compression for crisp edges, and set Pixels Per Unit to match your art scale. Many Unity pixel art games use the sprite's cell size. In Ludo, choose one of the pixel art styles (Micro Pixel, 8-Bit, 16-Bit, 32-Bit or Free Pixel) and export in Pixel Art mode, which scales with nearest-neighbor so the edges stay crisp.


  • Can I generate sprites without leaving the Unity Editor?

    Yes. The Ludo Unity plugin runs inside the Unity Editor (Unity 2020.2 or later), so you can generate sprites, animated sprite sheets, 3D models and audio directly into your Unity project. You need a Ludo API key, which comes with a Pro or Studio plan.


  • Which Unity versions and render pipelines are supported?

    Ludo exports standard transparent PNGs, so they work in any Unity version and any render pipeline (Built-in, URP, or HDRP), and in both Unity 2D and 3D projects using sprites.


  • Do Ludo sprite sheets come with sound, and can I use the JSON in Unity?

    Sheets made with Hydra or Hydra+ come with a matching sound effect you can download as audio and import into Unity as an AudioClip; Generate Audio adds one to a sheet made with another model. The sheet-plus-JSON export uses the TexturePacker format that Phaser, PixiJS and Cocos2d read. Unity slices by grid instead, so for Unity the PNG and the rows and columns in its file name are all you need.


  • Do I own the sprites I use in my Unity game?

    Yes. You own the assets you generate with Ludo and can use them however you like, including in commercial Unity games.

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