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lightningimg

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A blazing fast, transparent, and safe image converter powered by WebAssembly. Convert PNG, JPG, TIFF, and GIF images to optimized WebP format with high performance and cross-platform compatibility.

github.com/kyr0/lightningimg

kyr0/lightningimg

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LightningImg Performance Test ================================= 📁 Loading test image... 📁 Test image: ./test_images/IMG_3236.jpg 📊 Image size: 180.45 KB 🔍 Getting image info... ✅ Loaded Node.js WASM module 📏 Image info: JPEG 835×1113 🔄 Testing convertImageBuffer (1000 iterations)... Progress: 1000/1000 (100.0%) ✅ Completed 1000 conversions ⏱️ Total time: 16.25s ⚡ Throughput: 61.54 ops/sec 📦 Average output size: 757.55 KB 📈 Total data processed: 176.22 MB 🎯 Testing convertImageBuffer with resize (1000 iterations, 800x600)... Progress: 1000/1000 (100.0%) ✅ Completed 1000 resize conversions ⏱️ Total time: 25.48s ⚡ Throughput: 39.25 ops/sec 📦 Average output size: 310.41 KB 📈 Total data processed: 176.22 MB 🔍 Testing getImageInfo (1000 iterations)... Progress: 1000/1000 (100.0%) ✅ Completed 1000 info extractions ⏱️ Total time: 6.70s ⚡ Throughput: 149.20 ops/sec 📈 Total data processed: 176.22 MB ✅ Testing isSupportedFormat (1000 iterations)... Progress: 1000/1000 (100.0%) ✅ Completed 1000 format validations ⏱️ Total time: 3.25ms ⚡ Throughput: 307913.44 ops/sec 📈 Total data processed: 176.22 MB 📊 Performance Summary ====================== 📷 Test Image: 180.45 KB (835×1113 JPEG) 🔢 Iterations: 1000 per test ⚡ Throughput Results: Basic Conversion: 61.54 ops/sec Resize Conversion: 39.25 ops/sec Info Extraction: 149.20 ops/sec Format Validation: 307913.44 ops/sec ⏱️ Average Operation Time: Basic Conversion: 16.25ms per operation Resize Conversion: 25.48ms per operation Info Extraction: 6.70ms per operation Format Validation: 0.00ms per operation 📈 Compression Results: Original size: 180.45 KB WebP size (default): 757.55 KB WebP size (resized): 310.41 KB Compression ratio: -319.8% 🎉 Performance test completed successfully! ✅ ESM WASM-only LightningImg shows excellent performance!