CompressTo20KB vs PicResize
2025 Comparison
PicResize has been around for years, but it lacks modern format support, only processes one image at a time, and uploads your files to their servers. Here is how CompressTo20KB compares.
Feature Comparison
| Feature | CompressTo20KB | PicResize |
|---|---|---|
| Privacy | ✅ 100% in-browser | ❌ Uploads to server |
| Exact KB targeting | ✅ Any KB target | ❌ Percentage only |
| WebP / AVIF output | ✅ Full support | ❌ No WebP/AVIF |
| Batch compression | ✅ Up to 50 images | ❌ One at a time |
| HEIC support | ✅ iPhone photos | ❌ No HEIC |
| Passport / Gov presets | ✅ Built-in presets | ❌ No |
| Mobile friendly | ✅ Full mobile support | ⚠️ Limited |
| Price | ✅ Free, no ads | ⚠️ Free with ads |
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FAQ
❓ Is CompressTo20KB better than PicResize?
For most use cases yes. CompressTo20KB supports WebP and AVIF output, processes everything in your browser, allows batch compression of 50 images, and has exact KB targeting — features PicResize lacks.
❓ Does PicResize support WebP format?
No. PicResize only outputs JPEG, PNG, and GIF. CompressTo20KB supports modern formats including WebP and AVIF which can be 70% smaller than JPEG.
❓ Can I compress multiple images at once with PicResize?
No. PicResize processes one image at a time. CompressTo20KB supports batch compression of up to 50 images with a single ZIP download.
❓ Which tool is better for passport photos?
CompressTo20KB has built-in presets for US passport, USCIS, DS-160, and other government requirements. PicResize has no such presets.