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3D Solid & B-Rep Standard22 verified tools

Software That Opens & Edits IPT Files (22 Tools, 2026)

IPT and IAM are the native file formats for Autodesk Inventor, storing 2D/3D sketches, parametric features, physical material properties, and complex hierarchical assemblies (IAM). Highly optimized for Autodesk's proprietary modeling engine, these files maintain design history and constraints. While sharing them with non-Autodesk users often requires translation to neutral formats, their direct support in modern downstream simulation (CAE) and manufacturing (CAM) pipelines is vital for collaborative industrial engineering.

Instant IPT Engineering Utilities

Convert, Compress & Inspect IPT Files Online

Universal File Compressor →
B-Rep Exchange

SLDPRT / CATPart / NX to STEP

Lossless neutral ISO 10303-21 B-Rep solid assembly conversion.

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Size Optimizer

STEP Assembly Defeature & Reducer

Strip internal fasteners & threads to shrink 300MB+ STEP files.

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PMI Standard

STEP AP214 vs AP242 Comparator

Compare automotive AP214 vs Model-Based Definition AP242.

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Full read & write support (2)

  • F3
    Fusion 360 CAD software logo
    Fusion 360Read & Write
    Subscription · Windows / macOS / Android / iOS · ★ 4.8

    The cloud-native powerhouse for integrated CAD, CAM, and CAE.

  • AI
    Autodesk Inventor CAD software logo
    Autodesk InventorRead & Write
    Subscription · Windows · ★ 4.7

    Professional-grade 3D mechanical design and simulation.

Read-only / viewers (20)

  • AM
    ANSYS Mechanical CAD software logo
    ANSYS MechanicalRead Only
    Custom Quote · Windows / Linux · ★ 4.9

    The gold standard for structural FEA simulation.

  • M
    Mastercam CAD software logo
    MastercamRead Only
    Subscription / Perpetual · Windows · ★ 4.9

    The global leader in CAM software for manufacturing.

  • O
    Onshape CAD software logo
    OnshapeRead Only
    Subscription · Web / iOS / Android · ★ 4.9

    The professional CAD system built for agile cloud development.

  • A
    AutoCAD CAD software logo
    AutoCADRead Only
    Subscription · Windows / macOS / Web / Android / iOS · ★ 4.8

    The global industrial standard for 2D drafting and 3D modeling.

  • C
    Cimatron CAD software logo
    CimatronRead Only
    Subscription · Windows · ★ 4.8

    Integrated CAD/CAM for mold and die makers.

  • SN
    Siemens NX CAD software logo
    Siemens NXRead Only
    Custom Quote · Windows / Linux · ★ 4.8

    Powerful high-end CAD/CAM/CAE suite for advanced manufacturing.

  • SE
    Solid Edge CAD software logo
    Solid EdgeRead Only
    Subscription / Perpetual · Windows · ★ 4.7

    Professional 3D CAD with industry-leading Synchronous Technology.

  • AW
    ANSYS Workbench CAD software logo
    ANSYS WorkbenchRead Only
    Subscription · Windows / Linux · ★ 4.6

    Unified Ansys simulation platform for project management, geometry prep, and multi-physics coupling.

  • AI
    Altair Inspire CAD software logo
    Altair InspireRead Only
    Subscription · Windows · ★ 4.5

    Generative design and rapid FEA platform from Altair, with topology optimization at its core.

  • AD
    ANSYS Discovery CAD software logo
    ANSYS DiscoveryRead Only
    Subscription · Windows · ★ 4.5

    Real-time simulation-driven design with live solver feedback during modeling.

Showing top 10 products. Click to show remaining 10 tools.
Inventor IPT ShapeManager Specifications
Standard 1ShapeManager Solid Engine: IPT files are built on Autodesk's proprietary ShapeManager kernel (derived from ACIS), using double-precision solid parameters.
Standard 2Model-Based Definition (MBD): Inventor IPT files natively support 3D dimensioning and geometric tolerance symbols, facilitating paperless downstream manufacturing.
Standard 3Adaptive Feature Restrictions: Adaptive parts dynamically alter lengths based on mating assemblies. Lock adaptivity once dimensions are finalized to avoid CPU load.

Frequently asked

What is the difference between an IPT and an IAM file?
An IPT file represents a single solid part with its individual features. An IAM file is an assembly file that references multiple IPT files (or other sub-assemblies) and defines the spatial relationships (mates and constraints) between them.
How do I view IPT or IAM files without an Inventor license?
Autodesk offers the free Autodesk Viewer online, which allows you to inspect, measure, and section Inventor parts in a browser. You can also use free CAD viewers like eDrawings or CAD Exchanger.

Need a specific conversion?

Our interactive CAD Matchmaker filters all 22 IPT-compatible platforms against your budget, hardware configuration, and precise parametric drafting needs.

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