FlagSwift allows you to deploy new features safely with full control. Turn features on/off instantly for specific users, test changes without risk, and roll back immediately if needed.
No code deployments required, ensuring you ship faster with confidence.
Stop juggling messy code and magic URLs. Ship without the chaos.
1// Scattered across your codebase
2const params = new URLSearchParams(window.location.search)
3const showNewFeature = params.get('enableNewFeature') === 'true'
4
5// Another file
6const betaMode = localStorage.getItem('beta_mode') === 'true'
7
8// Yet another file
9const isDev = process.env.NODE_ENV === 'development'
10
11// Problems:
12❌ Every developer has different URL parameters
13❌ Can't toggle features in production without redeploying
14❌ No way to target specific users
15❌ Breaking production? Too bad, deploy a fix (20+ min)
16❌ QA testing requires remembering magic URLsBuilt for teams who need to move fast without breaking things
One npm install, wrap your app with FlagProvider. That's it. No config files, no complex initialization. Start using flags immediately.
npm install @flagswift/react-clientFeature broke production? One click disables it instantly. No emergency deployments, no waiting for CI/CD, no 3am panic.
Show features to specific users or teams. Perfect for beta testing with your QA team or giving early access to select customers.
Different flag states for dev, staging, and production. Test features locally while keeping them hidden in production.
Server-side emergency controls. Instantly disable all features in case of system overload or critical bugs. Available in Node.js and Python.
Every flag change is tracked: who changed it, when, what environment, and previous value. Export to CSV/PDF.
We built FlagSwift to give teams control, without the stress.
Nobody deploys before weekends. Features wait until Monday "just to be safe"
?enableFeature=true scattered everywhere. Every dev has different URLs
Feature breaks? Wait for CI/CD, pray the rollback works, cross fingers
Can't test with just your QA team. It's all or nothing
Features deploy hidden. Enable Monday morning after coffee. Zero stress
const enabled = useFlag('feature-name') - that's it. Works everywhere
Click toggle. Feature disabled instantly. No deployment, no waiting
Show to QA team first, then beta users, then everyone. Full control
How a fintech startup shipped a high-risk payment redesign without breaking production.
Developer wraps new payment UI with useFlag('payment-v2')
Code ships to production. Flag OFF. Users see nothing.
Enable for testers. They test thoroughly.
Toggle ON. New payment UI live for all users instantly.
Bugs surfaced after launch, and were disabled in under 2 seconds. No emergency rollback. No downtime. Zero customer impact.
Toggle, test, and roll out updates effortlessly, from your first feature to mission-critical releases.
One simple hook checks if your feature should be shown. Works with any React component.
Deploy with confidence. New features are hidden until you explicitly enable them.
Control who sees what, when. Rollback instantly if something breaks.
Add feature flags, roll out features
safely, and keep your team happy.
Feature flags (also called feature toggles) let you enable or disable features in your app without deploying new code. Perfect for testing, progressive rollouts, and instant rollbacks.
Literally 30 seconds. Install our package, wrap your app, and start using feature flags immediately. No config files or complex setup required.
Yes! One click in the dashboard and your feature is disabled globally in about 2 seconds. No emergency deployments or CI/CD pipelines needed.
The initial setup requires a developer, but anyone on your team can toggle features from the dashboard. No coding needed after setup.
FlagSwift supports React (client-side), Node.js (server-side), and Python (server-side). Works with Next.js, Express, Fastify, Django, FastAPI, Flask, and any JavaScript/TypeScript or Python project.
Join teams who ship features safely with FlagSwift.