Which Spine data formats and Unity versions are supported?

The Worker natively handles Spine 4.1 JSON and binary .skel files with .atlas and PNG textures. Supports Unity 2022.3 LTS through Unity 6 (tested on Unity 6.5).

ONLINE SPINE TO UNITY 2D

Convert Spine animation
to Unity 2D Online

Free online conversion & interactive web preview. Pay credits only when downloading the .unitypackage.

Free Online Conversion & Preview No Spine Runtime at runtime Export .unitypackage

01 / INPUT

Choose Spine files

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Files are used only for this conversion.

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03 / OUTPUT

Conversion complete

Download .unitypackage View details

Free Unity 2D Animation Preview Inspect the converted animation online in your browser

Compatibility and requirements

Supports Unity 2022.3 through Unity 6.5. Unity 2022.3 and Unity 6.5 have been tested and are the recommended versions. Input data must use Spine 4.1.

The target project requires Unity 2D Animation (com.unity.2d.animation). deform / FFD animation is not converted. Output uses SpriteRenderer + SpriteSkin and is not intended for UGUI.

PUBLIC PRICING

Conversion credits

USD 12.0010 credits per pack

Free web preview · Up to 10 complete conversions

Conversion & online preview are free. Each conversion costs 1 credit. Effective price: USD 1.20 per complete conversion. Available after signing in.

Free Web Preview1 credit per downloadNo subscription

BETA · GUIDE & USE CASES

Convert Spine 4.1 Skeleton Animation to Unity 2D Online

This Beta web converter transforms Spine Skeleton files (.json/.skel), Atlas, and PNG textures into native Unity 2D Animation assets. Instantly preview in your browser for free, then export an import-ready .unitypackage.

No Spine Runtime Needed

Converts to Unity 2D Animation (SpriteSkin / Sprite Library) assets. Your runtime build won't require official Spine Runtime SDKs, avoiding version mismatch and licensing hurdles.

Automatic Texture & Atlas Mapping

Server parses Spine .atlas files and PNG textures into Unity native Sprite Sheets and Materials automatically, eliminating manual slicing and rigging in Unity Editor.

Free WebGL Interactive Preview

Converting and testing animations in the browser player is 100% free. Pay credits only when you are satisfied and download the .unitypackage.

Full Support for Unity 2022.3 to Unity 6

Optimized for Spine 4.1 exports. Tested and verified on Unity 2022.3 LTS and Unity 6.5, fully compatible with standard Unity 2D pipelines.

Frequently Asked Questions (FAQ)

Is conversion and preview free?

Yes, converting files and previewing the interactive WebGL animation in browser is 100% free. Credits are deducted only when you click "Download .unitypackage".

Does my Unity project need Spine Runtime?

No. Exported game content has zero Spine Runtime dependency at runtime. Target Unity project only requires com.unity.2d.animation.

Why convert Spine to Unity 2D Animation (SpriteSkin)?

Native SpriteSkin assets integrate seamlessly with Unity 2D Lights, Sprite Masks, Physics 2D, and Animator controllers while reducing runtime overhead.

Which Spine data formats and binary .skel files are supported?

The Worker natively processes Spine 4.1 JSON and binary `.skel` skeleton data along with `.atlas` texture packs.

Which Unity versions are compatible?

Compatible with Unity 2022.3 LTS and later, including Unity 6 (tested on Unity 6.5).