3 free online tools
Web Performance Tools
Estimate compression savings, analyze payload sizes, and optimize web asset delivery performance.
Brotli Compression Calculator
Estimate Brotli compression savings for web assets.
Open toolGzip Compression Calculator
Estimate Gzip compression savings and optimize web delivery.
Open toolHTML Size Analyzer
Analyze HTML size, inline CSS, scripts, images, and optimization opportunities.
Open tool Category Overview & Feature Comparison
About Web Performance Tools
The Web Performance Tools collection provides browser-based utilities designed for high performance, local data processing, and complete privacy. Every tool operates entirely within your browser - no server uploads, no watermarks, and no signups required.
| Tool Name | Key Functionality | Client-Side Processing | Usage Limit |
|---|---|---|---|
| Brotli Compression Calculator | Estimate Brotli compression savings for web assets. | 100% Local | Unlimited / Free |
| Gzip Compression Calculator | Estimate Gzip compression savings and optimize web delivery. | 100% Local | Unlimited / Free |
| HTML Size Analyzer | Analyze HTML size, inline CSS, scripts, images, and optimization opportunities. | 100% Local | Unlimited / Free |