Get Your First Vector for Free!

Getting started on cloning projects? Searching for a way to overexpress or knock out your gene of interest? Look no further!

VectorBuilder is your one-stop solution for vector design and cloning. We construct all kinds of ready-for-experiment vectors from gene overexpression to shRNA knockdown to CRISPR with competitive price, rapid turnaround, and 100% sequence guarantee. We make it easier than ever to accelerate your research and therapeutic development.

For a limited time, get your very first custom vector for free (or up to $500 off your first qualified vector)! Just design and order it with a few clicks on our intuitive online Vector Design Studio or via our free DNA editing software VectorBee.

Use the code 'FREEVECTOR-397' and get started today!

How to Take Advantage

Step 1
Register an account with VectorBuilder or Login to get started.
Step 2
Design your custom vector in our online Vector Design Studio or using the Vector Design Wizard in the VectorBee software.
Option 1
Vector Design Studio

Our highly intuitive online platform to design vectors with unlimited customization

Option 2 Download VectorBee

Our 100% free DNA software for designing, editing, and analyzing plasmid sequences

Step 3
Add custom vector cloning and downstream services (e.g. plasmid preparation, virus packaging, etc.) to your shopping cart. Simply enter the code 'FREEVECTOR-397' at checkout on your first order.

Terms & Conditions

  • Campaign Period: Jun 1st, 2026, to June 29th, 2026. Quote with the promo code to be generated before the end of the promotional period.
  • Eligibility:
    • The discount is available to customers who are placing their first order.
    • The eligible vector must be designed by customers on VectorBuilder's online Vector Design Studio or through VectorBee's Vector Design Wizard tool.
    • The vector ID cannot start with VB01 or VB90.
    • The registered user email must be an organizational email.
  • All discounts are up to $500 off per order.
    • If there are multiple eligible vectors, the discount will be applied to the most expensive one; If the most expensive one is ≤$500, then this vector is free; If the most expensive one is >$500, then you will receive a $500-off discount applied to this vector.
  • This campaign is only valid for direct-buy customers on the VectorBuilder English website and is not applicable in China, Japan, and South Korea markets.
  • This promotion cannot be combined with any other offers or discounts.
  • VectorBuilder reserves the right to nullify any discount or reward if the process of obtaining it is deemed inappropriate.
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