Account      Password  

PL2303 Mac OS X Driver Download  


Download File:  PL2303HXD_G_Mac

Mac OS X Universal Binary Driver v2.1.0 (PKG file format)

  • For Mac OS Big Sur (version 11) - see NOTE below
  • For Mac OS Catalina (version 10.15) .
  • For Mac OS High Sierra (version 10.14)
  • For Mac OS High Sierra (version 10.13)
  • For Mac OS X Sierra (version 10.12)
  • For Mac OS X El Capitan (version 10.11)
  • For Mac OS X Yosemite (version 10.10)
  • For Mac OS X Mavericks (version 10.9)
  • For PL2303 H/HX/HXD/EA/RA/SA/TA/TB chip versions
    • For Prolific USB VID_067B&PID_2303 Only
  • For PL2303GC, GS, GT, GL, GE , GD, GR chip versions
  • Includes Driver Installation Manual

NOTE: Mac OS High Sierra 10.13 introduces a new feature that requires user approval before loading new third-party kernel extensions. Go to System Preferences - Security & Privacy and click Allow.



Download File:

Mac OS X Universal Binary Driver v1.5.1 (PKG file format)

  • For Mac OS X 10.8 Mountain Lion (64-bit)
  • For Mac OS X 10.7 Lion (32-bit and 64-bit kernel)
  • For Mac OS X 10.6 Snow Leopard (32-bit and 64-bit kernel)
  • For PL2303 H/HX/HXD/EA/RA/SA/TA/TB chip versions
  • For Prolific USB VID_067B&PID_2303 Only
  • Includes Driver Installation Manual


or Download Third-Party Compatible Drivers:





Log-in to our Support webpage to download more files:
Account: GUEST
Password: GUEST


Warning Notice:
Please be warned that counterfeit (fake)
PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues (Yellow Mark Error Code 10 in Device Manager). We issue this warning to all our customers and consumers to avoid confusion and false purchase.

Please be warned that selling counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, copyright, and intellectual properties laws and regulations. Prolific will take proper and severe actions to cease and confiscate these counterfeit products. Prolific also prohibits the distribution of any PL-2303 drivers (including download links) without written permission from Prolific.

Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support. Prolific does not sell cables with Prolific brand and packaging. In case you suspect a counterfeit chip inside, you may also contact Prolific to provide the vendor information.

Prolific recommends following vendor cable brands:

Product: FB1210 USB to 1-port RS-232 Adapter

Good Way Technology Co., Ltd. (Taiwan)
Contact: Herman Chen

Product: Plugable USB to RS-232 DB9 Serial Adapter (PL-2303HX Rev D chipset)

Plugable Technologies (USA & UK Direct)
Contact: Bernie Thompson

Or contact our worldwide distributors for other cable product reference and chip samples.


Taipei Headquarter
7F, No.48, Sec. 3, Nan Kang Rd., Nan Kang, Taipei, Taiwan 115, R.O.C.
Tel: +886-2-2654-6363 / Fax: +886-2-2654-6161 / Website: / E-mail:

Hsinchu Office
No.10-2, Lixing 1st Rd., Hsinchu Science Park, Hsinchu City 300, Taiwan, R.O.C.
Tel: +886-3-578-2011 / Fax: +886-3-578-2022
Copyright © 2012 Prolific Technology Inc.
Website Design by Alvitr