Open Asset Import Library (Assimp)

6.1easy start · #16 of 30
in 3D File Converter Software

Free to practise onnot on record
Free trialnot on record
Well documentednot on record
Runs where you workyes

Runs on Android, iOS, Linux, Mac, self-hosted, Windows.

Open Asset Import Library (Assimp) is ranked #16 of 30 in 3D file converter software on The Geeks Club. It runs on Android, iOS, Linux, macOS, Self-hosted, Windows. There is a free plan.

Open Asset Import Library (Assimp) plans and pricing

All plans

Open Asset Importer Library Free Modified three-clause BSD license · include the license text with your product github.com · 7 Oct 2026

Prebuilt binaries (Visual Studio 2026, 64 bit) Free Name your own price Windows · v6.0.5 · 24 MB installer kimkulling.itch.io · 7 Oct 2026

Compared on 3D file converter software

Format scope: mixed
Animation conversion: Yes
API access: Yes
Supported platforms: Windows, macOS, Linux, iOS, Android

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The record

Purpose: Assimp loads 3D file formats into a shared in-memory format for further processing.
Format support: The project states that it imports more than 40 3D file formats and exports to a growing selection.
Post-processing: Mesh processing includes normal and tangent-space generation, triangulation, vertex cache locality optimization, and removal of degenerate primitives and duplicate vertices.
Languages and APIs: Assimp is implemented in C++ and provides C and C++ APIs, with bindings listed for C#, Java, Python, Delphi, and D.
Platforms: The project README states that Assimp runs on Android and iOS, and its build documentation describes building across platforms with CMake.
Build and package options: The project uses CMake and states that it is available in vcpkg; its repository also links prebuilt binaries.
Integrations: The project lists ports or interfaces for Android, Python, .NET, Pascal, JavaScript, Node.js, Unity, Unreal Engine, JVM, HAXE, and Rust.
License: Assimp uses a modified three-clause BSD license, and its README says static linking is permitted if the license text is included with the product.
Security: The repository links a security policy, but the pages reviewed do not state a security certification or compliance standard.
Support: The project directs users to its discussion board, Discord, Reddit, Stack Overflow, and issue tracker for questions and reports.
Intended use: The project describes Assimp as a library for loading 3D assets and provides samples illustrating possible use cases.
Prebuilt download scope: The linked downloadable package is v6.0.5 prebuilt binaries for 64-bit Visual Studio 2026 and includes a 24 MB setup executable.
Price from: Free

Where it ranks on The Geeks Club

Best 3D File Converter Software in 2026#16 of 30

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Sources

assimp.org· checked 7 Oct 2026
github.com/assimp/assimp· checked 7 Oct 2026
kimkulling.itch.io/the-asset-importer-lib· checked 7 Oct 2026