Does it generate a .br file?

No. It emits an estimate report only.

Is Brotli always smaller than gzip?

Often, but not guaranteed. This tool gives a rough estimate, not exact compression.

In your hosting, CDN, or build pipeline.

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Estimate Brotli compressed size for SVG source.

Estimate Brotli compressed size for SVG source.

Choose an SVG file, paste SVG markup, or load the sample to begin.

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SVG Brotli Compressor estimates Brotli compressed size for SVG source.

The tool reports a heuristic Brotli size estimate and expected savings from the SVG source.

Use it to evaluate whether Brotli delivery may materially reduce repeated SVG markup over the network.