Brotli, Gzip & Deflate Compression Benchmark
Benchmark HTTP network transfer payload sizes for JSON API responses, HTML documents, CSS stylesheets, and JavaScript code. Compare real-time compression savings between Gzip, Deflate, and modern Brotli using the native CompressionStream Web API. Zero server logging guarantees 100% data privacy.
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How to Benchmark Compression Sizes in 3 Steps
Paste Your Payload
Paste your raw JSON, HTML, CSS, or JavaScript code into the editor.
Inspect Real-Time Compression
View live transfer sizes and savings percentages across Gzip, Deflate, and Brotli.
Copy Benchmark Report
Copy the formatted performance summary report directly to your clipboard.
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