fortio ☆
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Description:
HTTP and gRPC load testing and visualization tool and server
Type: Formula  |  Latest Version: 1.73.0@0  |  Tracked Since: Dec 23, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: load-testing benchmarking golang observability grpc
Install: brew install fortio
About:
Fortio is a microservices load testing and performance analysis tool. It allows you to describe load in terms of connections and requests per second, and provides detailed latency distribution histograms. It also includes a built-in web UI for real-time visualization of test results.
Key Features:
  • HTTP and gRPC load testing
  • Echo server and web UI for visualization
  • Precise latency percentiles and histograms
  • Headers, payload, and TLS configuration support
Use Cases:
  • Load testing APIs and microservices
  • Comparing performance across code changes
  • Diagnosing latency spikes and tail performance
Alternatives:
  • wrk – Fortio provides a built-in UI and gRPC support, whereas wrk is Lua-scriptable and Lua-based.
  • k6 – Fortio is a lightweight Go binary with a simple CLI, while k6 offers a JavaScript-based scripting engine.
Version History
Detected Version Rev Change Commit
Dec 23, 2025 8:00pm 1.73.0 0 VERSION_BUMP d00488e9
Oct 12, 2025 2:27am 0 VERSION_BUMP aea3d339
Sep 13, 2025 5:12pm 0 VERSION_BUMP 62287c58
Sep 26, 2024 10:44pm 0 VERSION_BUMP 898427bb
Sep 26, 2024 9:31pm 0 VERSION_BUMP 95912e3b
Sep 19, 2024 10:31pm 0 VERSION_BUMP 43dbf5ff
Sep 17, 2024 11:14pm 0 VERSION_BUMP 193b23f2
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Jan 14, 2023 7:04am 0 VERSION_BUMP 656e7ef2
Jan 14, 2023 7:04am 0 VERSION_BUMP ff658410
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