WebAssembly Demo

Comprehensive WebAssembly demonstration tool for developers. Compare JavaScript vs WASM performance, test mathematical computations, image processing algorithms, and explore real-world use cases. Includes browser compatibility detection, performance benchmarks, and ready-to-use code examples.
Performance Benchmarks JS vs WASM Comparison Browser Compatibility Code Examples
Quick Examples 
FIBONACCI: WASM: 10ms vs JS: 45ms
MATRIX: 3x faster matrix multiplication
SUPPORT: WebAssembly supported: ✓
WebAssembly Support Details
WebAssembly API: Checking...
Compilation Support: Checking...
Execution Support: Checking...
Browser: Detecting...
Version: Unknown
Platform: Detecting...
Tester: Also try our Webassembly Performance Tester
Interactive Demos
Fibonacci Calculator
Performance comparison
Prime Numbers
Mathematical computation
Mandelbrot Set
Graphics rendering
Matrix Operations
Linear algebra
Cryptography
Hash calculations
Image Processing
Pixel manipulation
Test Configuration
100 1,000 10,000
Quick Actions
Demo Output
No demo selected JavaScript

WebAssembly Performance Demo

Select a demo from the left panel to begin testing

This tool will clearly indicate whether results are from actual WebAssembly execution or simulated

Performance Results

No performance tests run yet

Results will show actual execution times and clearly indicate the execution method
Performance Comparison Chart
Benchmark Log
0 WASM 0 JS 0 Simulated

Benchmark log will appear here

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What WebAssembly capabilities does this demo showcase?
This demo showcases mathematical computations, graphics rendering, algorithm performance, and real-time comparisons between JavaScript and WebAssembly. Includes Fibonacci calculations, prime number generation, Mandelbrot set rendering, and sorting algorithms.
How do I test WebAssembly performance vs JavaScript?
Select any demo category (like Fibonacci Calculator), adjust the test parameters, and click "Run Benchmark". The tool will execute the same algorithm in both JavaScript and WebAssembly and show detailed performance comparisons.
Does my browser support WebAssembly?
WebAssembly is supported in all modern browsers including Chrome, Firefox, Safari, and Edge. The demo automatically detects browser support and shows compatibility information in the WASM Support panel.
Are the performance improvements realistic?
The performance comparisons simulate typical WebAssembly improvements based on real-world benchmarks. Actual WASM performance can vary by algorithm, with mathematical computations often showing 1.5-3x speed improvements over JavaScript.
Can I export the benchmark results for analysis?
Yes! Use the "Export Results" button to download a JSON file containing all benchmark data, browser information, and detailed performance metrics. Perfect for documentation and technical analysis.

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