Resize Images
Resize photos by percentage with high-quality resampling — perfect for web, email and social.
100% Private — Files never leave your device
Processed locally with WebAssembly & Canvas. GDPR-friendly by design.
How to use Resize Images
Add your images
Drag & drop, paste, or browse. Add one file or hundreds — JPG / PNG / WEBP files are detected automatically.
Adjust the settings
Choose quality and size with touch-friendly sliders. Defaults are tuned for the best size-to-quality ratio.
Download instantly
Your JPG / PNG / WEBP files are ready in milliseconds. Download individually or as a single ZIP.
Format comparison
Typical results for a 12 MP photo. Values are approximate.
| Format | Typical size | Compression | Transparency | Animation | Browser support |
|---|---|---|---|---|---|
| JPG | 3.4 MB | Lossy | No | No | 100% |
| PNG | 17.8 MB | Lossless | Yes | Partial | 100% |
| WEBP | 1.9 MB | Lossy + lossless | Yes | Yes | 97% |
| AVIF | 1.2 MB | Lossy + lossless | Yes | Yes | 93% |
Live benchmark on your device
Process a file to start the benchmark
- Files processed
- 0
- Space saved
- 0 B
- Avg. time per file
- —
- Bytes uploaded
- 0 B
Frequently asked questions
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