Ship faster, safer, and smarter.
LaunchDarkly enables high velocity teams to release, monitor, and optimize software in production.
![launchdarkly ui elements](https://images.prismic.io/launchdarkly-marketingsite/Zky8sSol0Zci9U2n_tablet-hero-uis.png?auto=format,compress?auto=compress,format)
![homepage image 1](https://images.prismic.io/launchdarkly-marketingsite/ZkuTkCol0Zci9S8v_dark-ui.png?auto=format,compress?auto=compress,format)
Everything you need to ship with confidence.
![homepage image 2](https://images.prismic.io/launchdarkly-marketingsite/ZkuFJyol0Zci9SpD_light-ui.png?auto=format,compress?auto=compress,format)
![ui avatar](https://images.prismic.io/launchdarkly-marketingsite/ZkYdDyol0Zci9NmJ_ui-left-1.png?auto=compress,format)
![ui experimentation](https://images.prismic.io/launchdarkly-marketingsite/ZkYdBCol0Zci9NmH_ui-left-2.png?auto=compress,format)
![ui testing](https://images.prismic.io/launchdarkly-marketingsite/ZkYdECol0Zci9NmL_ui-right-1.png?auto=compress,format)
![ui version](https://images.prismic.io/launchdarkly-marketingsite/ZkYdAyol0Zci9NmG_ui-right-2.png?auto=compress,format)
![launchdarkly customers](https://images.prismic.io/launchdarkly-marketingsite/ZklFMiol0Zci9Q1e_mobile-customer-logos.png?auto=format,compress?auto=compress,format)
Unified feature management and experimentation.
Feature flags, context-aware targeting, and experimentation in one powerful software delivery platform.
Release
Release confidently and consistently.
Streamline feature management for more consistent, confident, and safeguarded releases.
Release progressively and roll back instantly.
Automate and scale multi-step rollouts.
Migrate in a safe, gradual, and controlled manner.
![Release service ui elements](https://images.prismic.io/launchdarkly-marketingsite/ZkPEQyol0Zci9IOM_release-desktop-card.png?auto=compress,format)
![Release service ui elements tablet](https://images.prismic.io/launchdarkly-marketingsite/ZkOd9iol0Zci9H82_release-tablet.png?auto=format,compress?auto=compress,format)
![Release service ui elements mobile](https://images.prismic.io/launchdarkly-marketingsite/ZkOiESol0Zci9H-q_release-mobile.png?auto=compress,format)
Target
Target & personalize product experiences.
Easily deliver tailored features and experiences to any customer segment.
Customer experiences based on any attribute.
Gradually release new versions to a subset of users.
Empower business teams to manage customer experiences.
![Target service ui elements](https://images.prismic.io/launchdarkly-marketingsite/Zkt7Ayol0Zci9Sls_target-fh-card.png?auto=format,compress?auto=compress,format)
![Target service ui elements tablet](https://images.prismic.io/launchdarkly-marketingsite/ZkOefyol0Zci9H9K_target-tablet.png?auto=format,compress?auto=compress,format)
![Target service ui elements mobile](https://images.prismic.io/launchdarkly-marketingsite/ZkOiECol0Zci9H-o_target-mobile.png?auto=compress,format)
Remediate
Automatically remediate software issues.
Uncover and automatically remediate software performance problems before they become customer issues.
Embed monitoring directly into every release.
Set up actionable alerts from Slack or email.
Observe how new changes impact metrics.
![Remediate service ui elements](https://images.prismic.io/launchdarkly-marketingsite/ZkuT-iol0Zci9S9W_remediate-bottom-card.png?auto=format,compress?auto=compress,format)
![Remediate service ui elements tablet](https://images.prismic.io/launchdarkly-marketingsite/ZkOefyol0Zci9H9L_remediate-tablet.png?auto=format,compress?auto=compress,format)
![Remediate service ui elements mobile](https://images.prismic.io/launchdarkly-marketingsite/ZkOh6iol0Zci9H-g_remediate-mobile.png?auto=compress,format)
Experiment
Embed experimentation into every release.
Continuously measure and optimize features to deliver impactful customer experiences.
Improve the business performance of every feature.
Run back-end and infrastructure optimization experiments.
Visualize experiment results and metric impact.
![Experiment service ui elements](https://images.prismic.io/launchdarkly-marketingsite/ZkJxQUFLKBtrW1R0_experiment-card.png?auto=compress,format)
![Experiment service ui elements tablet](https://images.prismic.io/launchdarkly-marketingsite/ZkOehyol0Zci9H9P_experiment-tablet.png?auto=format,compress?auto=compress,format)
![Experiment service ui elements mobile](https://images.prismic.io/launchdarkly-marketingsite/ZkOh6iol0Zci9H-f_experiment-mobile.png?auto=compress,format)
Developer First
Implement LaunchDarkly in just 5 minutes.
With a few lines of code, you can integrate your app and toggle your first feature flag on.
import * as LaunchDarkly from "launchdarkly-js-client-sdk"
const context = {
kind: "user",
key: "context-key-123abc",
name: "anonymous"
};
const client = LaunchDarkly.initialize("<add your client-side key as an env variable>", context);
Copied!35+ languages and frameworks
Mobile, front-end, server, and edge SDKs to add feature management and experimentation to any environment.
Quickstart
Follow our in-app guided tutorial to get started with your first flag implementation in less than 5 minutes!
CLI & IDE Integrations
Set up and manage LaunchDarkly directly from the command line, or IDE of your choice.
“LaunchDarkly gave us a confidence to be more creative and more innovative. Confident engineers produce more creative work.”
“It keeps the hairs on my head from turning gray. I don't know what else to say about it.”
![Infocus with Tide](https://images.prismic.io/launchdarkly-marketingsite/Zn2WfB5LeNNTwmtG_Infocus-Tide-min.jpg?auto=format,compress?auto=compress,format)
![Infocus with Climate Fieldview](https://images.prismic.io/launchdarkly-marketingsite/Zn2WfB5LeNNTwmtF_Infocus-CLimate-min.jpg?auto=format,compress?auto=compress,format)
Take a tour.
![](/static/d3734662cbf69e85b7b2e5cc03dccaf7/ec1c1/ZkPOCSol0Zci9IUe_bottom-cta-homepage-glow-min.png)