• Contrast Home
  • Start now

Scan, Secure, and Ship
Your Code in Minutes for Free

From Start to Finish in Minutes

From Start to Finish in Minutes

Frictionless and seamless signup process with GitHub or Google Account. – from zero to secure in less than 5 minutes.

Fastest & Most Accurate Scanner

Fastest & Most Accurate Scanner

Delivers up to 10X faster scan rates. Recognized as the fastest & most accurate JAVA scanner in the market.

Immediate & Actionable Results

Immediate & Actionable Results

Find 70% more critical vulnerabilities, and actionable results with 6X more true positives in seconds.

About CodeSec by Contrast

CodeSec brings the fastest and most accurate scanner on the market right to developers for free. Make code security simple and efficient with quick scan times, market-leading accuracy, actionable results and seamless integration.

  • Start now


What’s included in CodeSec


New | CodeSec - SCA 

Secure vulnerable libraries (in Java, Javascript, Python, Ruby, GO, PHP, .NET) in your open-source software (OSS) with lighting speed, accuracy, and actionable remediation guidance to ship code faster and create a standardized Software Bill of Materials (SBOM) to manage supply chain risk with ease.​

Supported Languages:



CodeSec - Scan

Optimize code security for Java, Javascript and .NET applications with fast, industry-leading (SAST) scans and actionable remediation guidance, in a simple command line interface. Additionally, you can secure your Github pipeline with Contrast GitHub Actions for free. Click Here  to learn more.

Supported Languages:

JavaJavaScriptNET GitHub Actions


CodeSec - Serverless

Take advantage of a new ground-breaking application security tool for serverless environments in AWS Lambda Functions (Java + Python) that detects cloud-native vulnerabilities quickly and accurately while providing actionable remediation guidance in a simple command line interface. 

Supported Languages:


CodeSec by Contrast

Evaluator Guide

See Just How Powerful Contrast's New Free Developer Security Tool Can Be For Yourself.

Code Icon@2x
Learn more


Securing Your Application

Contrast supports multiple languages, with seamless integration into your existing workflow.

Java@2x Python@2x
Explore Languages

Developer Events and Resources


Contrast Assess is a select product for ...

Contrast Security today has been included as a select product for Interactive Application...

August 16, 2022 | 01:31 AM Z

Cybersecurity Insights with Contrast ...

Insight #1 "Penetration testing and vulnerability scanning are two different things....

August 12, 2022 | 04:00 PM Z

Building a modern API security strategy ...

Part three of the five-part series, Building a modern API security strategy. Got a GitHub...

August 10, 2022 | 08:42 PM Z

Debunking IAST myths

If you have followed Contrast's progress over the years, you will recognize us as a...

August 9, 2022 | 08:53 PM Z

How to detect Log4j vulnerabilities in ...

Log4j is a popular Java logging tool with a critical cybersecurity vulnerability that...

August 5, 2022 | 08:49 PM Z

Cybersecurity Insights with Contrast ...

Insight #1 "Are you paying if you get hit with ransomware? I provided my thoughts here....

August 5, 2022 | 05:04 PM Z

Start now for free

Secure with confidence,
no credit card required ever.


Stay Connected!

Image 41
CodeSec Rockets Past Competition and is free