LoongBones
LoongBones is a 2D skeletal animation solution with an online editor and a runtime player.
What LoongBones is
LoongBones is a 2D skeletal animation solution with an online editor and a runtime player. Its HTML5-and-canvas editor needs no installation and can create, modify, and export animation data, images, frame sequences, and other digital assets. Tools include mesh deformation, bone binding, inverse kinematics, collision, and mesh curve deformers. It can import PSD files, images, texture atlases, LoongBones projects and data, and supported Spine exports, including Spine 3.8.75 data with atlas files. Exports include animation data formats, images, sprite sheets, and GIFs, with plugins available for additional import and export formats. The runtime plays animation data and supports Egret, Cocos, PixiJS, Unity, and Unreal. The runtime is open source, free to download from GitHub, and released under the MIT License. LoongBones says it supports AI-generated animation and has integrated DeepSeek. Paid membership starts at CN¥19.90 a month; a seven-day free experience includes 100M storage and up to 10 projects.
Good
- Online editor requires no installation.
- Includes mesh deformation and inverse kinematics.
- Exports images, sprite sheets, and GIFs.
- Runtime supports five named engines.
- Seven-day experience includes 100M storage.
Watch out
- No free plan is listed.
- Monthly membership does not support refunds after taking effect.
- Public uploads may be promoted and distributed globally.
Who it suits
LoongBones suits animation creators in film, games, and advertising who need skeletal animation editing and runtime support for the listed engines. The seven-day free experience may suit people who want to try the editor before choosing a paid membership.
Verdict
LoongBones combines a browser-based skeletal animation editor with a free, open-source runtime. Review the membership terms and public-upload permissions before using it for project files.
Plans and prices
From LoongBones's own pricing page, checked 5 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| 一个月会员 | CN¥19.90 a month | 创建项目无限制 · 存储空间100M · 促销价；原价29.9元 |
| 一年会员 | CN¥199.90 a year | 创建项目无限制 · 存储空间2000M · 促销价；原价299.9元 |
| 私有化部署 | Priced on request | 适用于有私有云部署需求企业或集团 · 灵活定制满足需求 · 详细咨询商务 |
The facts
Each one read from LoongBones's own pages, with the date it was checked.
What it does
- Access
- The editor is built with HTML5 and canvas and requires no installation.checked 4 Oct 2026
- AI animation
- The product says it supports AI-generated animation and that it has integrated DeepSeek.checked 5 Oct 2026
- Animation tools
- Features include a timeline, mesh and free deformation, inverse kinematics constraints, masks, physics constraints, and transform constraints.checked 5 Oct 2026
- Cloud storage
- The editor description lists cloud storage as a feature.checked 4 Oct 2026
- Editor
- The online editor creates, modifies, and exports LoongBones or DragonBones animation data, images, frame sequences, and other digital assets.checked 4 Oct 2026
- Export
- The product says it can export texture atlases, image sequences, LoongBones animation data, and Spine animation data.checked 5 Oct 2026
- Import
- The editor supports importing PSD files, images, texture atlases, LoongBones data, and Spine 3.8.75 data with its texture atlas files.checked 5 Oct 2026
- Import formats
- The library panel documentation describes importing PNG and JPG images, texture atlases, LoongBones .dbproj projects, LoongBones JSON data, and other formats such as Spine exports when plugins are supported.checked 4 Oct 2026
- Intended use
- The editor is for creating and publishing animations, and the runtime plays LoongBones animation data on supported platforms and engines.checked 4 Oct 2026
- Intended users
- The company describes its focus as providing skeletal animation solutions for the global animation industry and names film, games, and advertising as creator fields it serves.checked 5 Oct 2026
- Notable limit
- The service terms state that membership is a virtual product and does not support refunds after it takes effect.checked 5 Oct 2026
- Product
- LoongBones is a 2D skeletal animation solution with an editor for creating animation data and a player for playing it.checked 5 Oct 2026
- Public uploads
- The service terms say files published publicly on the platform authorize LoongBones to publish, promote, and distribute them globally online.checked 5 Oct 2026
- Runtime engines
- The runtime supports Egret, Cocos, PixiJS, Unity, and Unreal.checked 4 Oct 2026
- Runtime license
- The documentation says the runtime is released under the MIT license.checked 5 Oct 2026
- Security
- The service terms say the company will make reasonable efforts to protect information using data transmission, storage, and conversion safeguards, and note that internet data risks remain.checked 5 Oct 2026
- Support
- The contact page lists [email protected] as the company email address.checked 5 Oct 2026
- Version
- The documentation displays version 1.5.0.checked 4 Oct 2026
Money
- Free access
- The pricing page offers a seven-day free experience with 100M storage and up to 10 projects.checked 5 Oct 2026
- Runtime license and cost
- The runtime is described as open source and free to download from GitHub; the documentation says LoongBones is released under the MIT License.checked 4 Oct 2026
Where it runs
- Runtime platforms
- The runtime supports Egret, Cocos, PixiJS, Unity, and Unreal, and is described as open source and free to download from GitHub.checked 5 Oct 2026
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