Free tools

Free CAD Tools

Practical browser-based utilities for CAD users, engineers, and designers.

2D CAD editor Beta

LibreCAD Web

Create and edit 2D CAD drawings with LibreCAD in a Chromium-based desktop browser.

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Parametric 3D CAD Beta

SolidCraft Online

Sketch, constrain, and build 3D parts with an editable feature timeline, then export your models.

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Pen plotter software Open source

Pen Plotter Studio

Compose pen-plotter artwork, preview toolpaths, export G-code, or plot live over USB in your browser.

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Parametric 3D CAD Experimental

FreeCAD Online

Free CAD design online with FreeCAD's parametric 3D modeler and desktop workbenches in a Chromium browser.

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3D CAD editor Beta

SketchForge 3D

Build shapes, cut holes, import models, and export 3D designs in a local-first browser workspace.

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Viewer

CAD Viewer

Open STEP, IGES, STL, OBJ, GLTF, GLB, 3MF, PLY, IFC, FCStd, and 3DM files directly in your browser.

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CNC

NC Viewer

Load, edit, visualize, and inspect G-code files for CNC programs directly in your browser.

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Drawing

DXF Viewer

Open 2D DXF drawings, pan and zoom geometry, and measure distances between points in your browser.

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PCB Assembly

InteractiveHtmlBom

Generate and inspect interactive HTML bills of materials for KiCad, EasyEDA, Eagle, Fusion 360, and Allegro PCB designs.

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3D Printing

3D Printing Cost Estimator

Estimate filament, electricity, machine wear, and failed-print costs for FDM and FFF prints.

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Engineering

Unit Converter

Convert length, area, volume, mass, force, pressure, torque, power, energy, temperature, and more.

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Tool request

What should we build next?

Tell us which browser-based CAD, CNC, engineering, or 3D printing utility would make your workflow easier.

Introducing CadHub Workspace

Bring your engineering work together.

Create a free account to try CadHub Workspace and manage your projects, customers, tasks, engineering data, and private files in one place.

  • Organize projects, tasks, customers, and deals
  • Keep engineering records, reference material, and files together

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