Goバイナリサイズ解析ツール「go-size-analyzer」

go-size-analyzer Simon Willison’s Weblog

24th February 2026 - Link Blog

go-size-analyzer (via) The Go ecosystem is really good at tooling. I just learned about this tool for analyzing the size of Go binaries using a pleasing treemap view of their bundled dependencies.

You can install and run the tool locally, but it's also compiled to WebAssembly and hosted at gsa.zxilly.dev - which means you can open compiled Go binaries and analyze them directly in your browser.

I tried it with a 8.1MB macOS compiled copy of my Go Showboat tool and got this:

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This is a link post by Simon Willison, posted on 24th February 2026.

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