Fluxzy

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Fluxzy is ranked #1 of 27 in web debugging proxies on Inferse. It runs on Android, API, iOS, Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on web debugging proxies

Free plan: Yesfluxzy.io
Request/response editing: Yesfluxzy.io
Breakpoint rules: Yesfluxzy.io
Traffic replay: Yesfluxzy.io
Response mocking: Yesfluxzy.io
WebSocket inspection: Yesfluxzy.io
Proxy chaining: Yesfluxzy.io

Facts

What it does: Fluxzy is an HTTP intermediate and man-in-the-middle proxy for recording, analyzing, debugging, and altering HTTP/1.1, HTTP/2, and WebSocket traffic over plain or secure channels.fluxzy.io · 30 Sept 2026
Proxyless capture: Proxyless capture records applications’ HTTP and HTTPS traffic without proxy configuration, including apps that ignore system proxy settings.fluxzy.io · 30 Sept 2026
Traffic modification: Rules can modify request and response headers, inject authentication, simulate slow networks, forward requests, spoof DNS, change TLS fingerprints, and force HTTP versions.fluxzy.io · 30 Sept 2026
gRPC debugging: Fluxzy decodes gRPC and Protobuf traffic with schema-less decoding or real field names supplied from .proto files.fluxzy.io · 30 Sept 2026
LLM API inspection: Fluxzy can capture and inspect OpenAI, Anthropic, and Google Gemini API requests and responses, including streaming responses and tool calls.fluxzy.io · 30 Sept 2026
Exports: Fluxzy exports captures as HAR, Fiddler SAZ, PCAPNG for Wireshark, cURL commands, .http files, and native .fxzy files.fluxzy.io · 30 Sept 2026
Integrations: Official NuGet packages provide Fluxzy engine access for .NET Standard 2.1, .NET 6, and .NET 8 applications.fluxzy.io · 30 Sept 2026
Offline and telemetry: Fluxzy works offline without an account or cloud sync, and the site states that it has no telemetry.fluxzy.io · 30 Sept 2026
Open-source status: Fluxzy.Core is open source under GPLv3, while the Fluxzy Desktop application is not open source.fluxzy.io · 30 Sept 2026
Binary security: Desktop downloads publish SHA-256 checksums, CLI downloads publish SHA-512 checksums, Windows binaries are Authenticode-signed, and macOS builds are Apple-signed and notarized.fluxzy.io · 30 Sept 2026
Mobile capture: Fluxzy Connect captures Android app traffic through a local VPN, while iOS apps can be routed to the proxy for inspection.fluxzy.io · 30 Sept 2026
License limits: The free Community edition is intended for personal use and adds an x-fluxzy-community header; paid licenses remove that header and the personal-use restriction.fluxzy.io · 30 Sept 2026
Refund policy: Fluxzy offers a full refund when contacted within 14 days of purchase.fluxzy.io · 30 Sept 2026
Audience: Fluxzy describes itself as a debugging tool for developers and security engineers.fluxzy.io · 30 Sept 2026