A9CAD for Windows

Name: A9CAD
Rating: 4.4 (11 reviews)
Author: A9Tech

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Editors’ Review

Download.com staffFebruary 25, 2026

A9CAD is a capable 2D CAD application that efficiently manages and modifies DWG and DXF files. It offers a comprehensive suite of drawing and editing tools.

Top Recommended Alternative

AutoCAD Plant 3D

Trial version

Pros
- Supports industry standard DWG and DXF file formats.
- Provides extensive drawing tools including lines, circles, and text.
- Offers robust modification options like move, scale, and trim.
- Allows editing of entity attributes through a properties window.
- Manages drawing styles, settings, and environments effectively.
Cons
- Limited to 2-dimensional drawing capabilities.
- No mention of 3D modeling features.
- Specific advanced features are not detailed.
- The review lacks information on performance benchmarks.
- No details on collaboration or cloud features.

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Full Specifications

GENERAL

Release: March 14, 2005

Latest update: February 25, 2026

Version: 2.2.1

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows XP
Windows 98
Windows 2000
Windows ME
Windows 10

Additional Requirements: Windows 98/Me/2000/XP

POPULARITY

Total Downloads: 245,212

Downloads Last Week: 6

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Program available in other languages

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Last Updated

User Reviews

4.4/5

11 User Votes

Perfect for my needs
TMRucioSeptember 8, 2016
Pros
Vector drawing. Program requires a tiny amount of memory to load and run. Works on older version of Windows. Simple and intuitive interface for basic 2D CAD commands - no unwanted frills. Full Help provided. Can use X-Y coords. Dimensioning works.
Cons
Don't know of any Cons at this stage. It does exactly what I need and want it to do.
Summary
As a long time professional in communications (networking and such) I am a long time user of a wide range of software so have built up some expertise in using and adapting to new products. After using AutoCAD it was too expensive and was capable of much more than I needed. From that point and for years I used AutoDesk's Autosketch for site plans, cabling/power routing and equipment layout for computer/telephony/security network installations. Now I'm retired my needs are not so frequent. But when planning a house rewire and remodel and some cabinet making, I needed something to help me measure, price, plan and manage the work. Autosketch was discontinued years ago, so I tried commercial CAD software priced up to $200, but it was too unwieldy compared with my experience with Autosketch and even AutoCAD. I need software to be as intuitive to use as possible, to provide a rapid and simple means of obtaining the result I want. I don't want to spend a lot of time learning it, because my time is valuable to me. After I began using A9CAD I found it was a very worthy tool. I can focus on what matters to me without getting bogged down learning how to use it. I spent about 30 minutes going through the kinds of things I knew and expected that I would have to do, and it fulfilled all my requirements including the cost (free!). Five stars.
downloaded by mistake
swampratAugust 12, 2013
Pros
easy enough to use
Cons
tryed it once before but it didnt have certain needs
Summary
its ok try for urself and see
Good 2D Cad software considering it is free,
deesidarMarch 11, 2013
Pros
Very similar to Autocad. free
Cons
Cannot array or copy and rotate No shortcut keys such as m for move and C for copy Line thickness difficult to manager
Summary
Makes you wonder why ACAD and other products are so expensive
Excellent CAD alternative!
AzBat360November 22, 2008
Pros
Has lots of AutoCAD 2D commands even with the same icons. You'll feel right at home if you've used AutoCAD R14, 2000, 2000i or 2002.
Cons
Not many negatives. Some could be fixed by purchasing the Pro version for $30.
Summary
This is bar none the best free CAD I've ever found!
tiny autocad
urreedDecember 27, 2007
Pros
Cons
Summary
Look great as a free AutoCAD substitute. Shame about the fatal flaw.
pj101October 29, 2007
Pros
The software looks and feels like a cut down AutoCAD. It only does 2D, but if you're happy with that and familiar with AutoCAD, you'll immediately know how to use this software. It has all the important features and is less bloated than Acad.
Cons
It took me 10 minutes to discover a deal breaking bug. Every time I try to move an object from one layer to another, A9CAD quits out. There's no error message it just vanishes. Maybe this is compatibility issue with my graphics card or something like that but it's pretty much unusable for me.
Summary
sil.anaSeptember 20, 2007
Pros
Older people are say: Short and definitely. It is so serious and easy for beginer.
Cons
Summary
Very useful program for people familiar with Autocad.
jesuszFebruary 28, 2006
Pros
It's free but with plenty of possibilities. Es prou complert per ser gratuit.
Cons
Would be nice to have customizable language in menues and messages. Seria bonic poguer-lo veure en catala.
Summary
Muy bueno
celbaApril 17, 2005
Pros
Este soft tiene casi todas las caracteristicas de un cad profesional. es comodo y practico
Cons
No tiene forma de cambiar de idioma (solo ingles) y tiene problemas si los archivos manejan layouts
Summary
This is an excellent ACAD-compatible program for the occasional CAD user.
PiledoctorFebruary 8, 2005
Pros
I was looking for a shareware program that would allow me to view and print AutoCad drawings produced by my civil engineering clients. This is a very neat program that satisfies all my requirements, and also allows me to edit and modify the drawings. This is an excellent find.
Cons
Summary

Developer’s Description

By A9Tech

Manage 2D CAD drawings, view and modify the CAD entity through a property window.

A general purpose 2-dimensional CAD program. It supports industry standard DWG/DXF drawing formats. With A9CAD you can draw shapes such as line, rectangle, circle, poly-line, text and dimension; performing drawing modifications like move, scale, rotate, explode, trim, fillet and mirror; edit color, fill mode, line type and line width; change entity attributes via properties window. Manage drawing styles and settings and configure drawing environments.

Version 2.2.1 includes minor bug fixes.

A9CAD for Windows

Editors’ Review

Top Recommended Alternative

AutoCAD Plant 3D

Pros

Cons