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lightproxy Developer Tools

Free; Pro from $5/mo

lightproxy (Developer Tools): lightproxy is a free web debugging proxy for intercepting, inspecting, and modifying HTTP/HTTPS traffic, with Pro from $5/mo. Pricing: Free; Pro from $5/mo. (data verified August 2026)

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About lightproxy

What is lightproxy?

lightproxy is a lightweight web debugging proxy that lets developers capture, inspect, and modify HTTP/HTTPS traffic between their browser or app and the server. It's a modern alternative to tools like Fiddler and Charles, built for web and mobile development.

What problem does it solve?

When you're debugging an API, troubleshooting a slow endpoint, or testing a new frontend against a production API, you need to see exactly what's being sent and received. lightproxy shows raw requests and responses, lets you set breakpoints, and allows you to rewrite traffic on the fly—so you can catch issues before they reach users.

Who is it for?

It's for frontend developers, backend engineers, QA testers, and anyone who needs to inspect API calls or debug webhooks. It's not for non-technical users or teams looking for a full-featured API testing suite—it's a dedicated proxy tool, not a Postman replacement.

Real use cases

Use lightproxy to debug a React app's network calls during development, test how your mobile app handles different API responses, or intercept and modify requests to simulate edge cases. It also supports traffic splitting, letting you route a percentage of requests to a staging server for A/B testing or canary deployments.

Key features

  • HTTP/HTTPS interception — Capture all requests from your browser or device with a simple proxy setup.
  • Request modification — Edit request headers, bodies, or URLs on the fly to test edge cases.
  • Traffic splitting — Route a percentage of traffic to a different server without changing app code—useful for canary releases.
  • Breakpoints — Pause a request, inspect or change it, then forward it—perfect for debugging complex flows.
  • WebSocket support — Intercept and debug WebSocket connections, not just HTTP.
  • Cross-platform — Works on macOS, Windows, and Linux—no extra setup.

SaaSpartout Score

7.3 /10
Ease of use 8.5
Features depth 7.5
Value for money 8.0
Support quality 6.5
Integrations 5.5
Scalability 7.0
Documentation 7.0
Onboarding speed 8.0

Editorial score from our review methodology — not user ratings.

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lightproxy Pricing

lightproxy pricing: Free; Pro from $5/mo. Billing model: Freemium.

Free

Core proxy features including HTTP/HTTPS interception, request modification, and WebSocket support.

Pro

From $5/mo—includes advanced features like traffic splitting and breakpoints for complex debugging scenarios.

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Frequently asked questions

Is lightproxy free?
Yes, lightproxy has a free plan with core proxy features, and a Pro plan starting at $5/mo for advanced capabilities.
How much does lightproxy cost?
lightproxy Pro starts at $5/mo, but you can use the free plan indefinitely with basic features.
What is lightproxy used for?
lightproxy is used to capture, inspect, and modify HTTP/HTTPS traffic between a client and server, helping developers debug APIs, test edge cases, and analyze webhook or WebSocket flows.
Who is lightproxy best for?
It's ideal for frontend developers, backend engineers, QA testers, and anyone who needs to inspect API calls or debug network traffic. It is not a full API testing suite like Postman.
What are the top alternatives to lightproxy?
Common alternatives include Fiddler, Charles Proxy, and Proxyman, though lightproxy is often favored for its lightweight design and modern features.
Can lightproxy split traffic?
Yes, lightproxy supports traffic splitting, allowing you to route a percentage of requests to a different server for canary deployments or A/B testing.

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