CompressTo20KB vs Squoosh 2026
Bulk, Exact KB & USCIS Presets Compared
- Squoosh: 1 image at a time — CompressTo20KB: up to 50 images simultaneously
- Exact KB Mode: hit 20KB, 50KB, 100KB precisely — Squoosh cannot do this
- USCIS DS-160 preset: 20KB JPEG in 1 click — Squoosh requires manual adjustment
- Both tools are 100% browser-based — neither uploads your files
- Squoosh wins for advanced codec control — CompressTo20KB wins for speed and presets
Feature Comparison: CompressTo20KB vs Squoosh
| Feature | CompressTo20KB | Squoosh (Google) |
|---|---|---|
| Bulk compression | ✅ Up to 50 images | ❌ 1 image at a time |
| Exact KB mode (20KB, 50KB, 100KB) | ✅ Yes — binary search | ❌ No — quality % only |
| USCIS / DS-160 preset | ✅ Built-in 20KB preset | ❌ Manual only |
| Ease of use | ✅ Simple, beginner-friendly | ⚠️ Complex codec UI |
| HEIC iPhone Support | ✅ Convert + compress | ❌ No |
| ZIP download (bulk) | ✅ Yes | ❌ No |
| Output formats | ✅ WebP, AVIF, JPEG, PNG | ✅ WebP, AVIF, JPEG, PNG |
| Privacy (no upload) | ✅ 100% in-browser | ✅ In-browser |
| Advanced codec controls | ⚠️ Basic | ✅ Full MozJPEG/AVIF settings |
| Mobile friendly | ✅ Yes | ⚠️ Limited on mobile |
| Price | ✅ 100% Free, no limits | ✅ Free (Google project) |
When to Use Squoosh vs CompressTo20KB
- You want fine-grained codec control
- Comparing compression algorithms side-by-side
- Working with 1 high-value image
- Advanced AVIF/WebP settings needed
- Compressing 10-50 images at once
- Need exact 20KB, 50KB, 100KB target
- USCIS, DS-160, passport photo
- Shopify, Etsy, Amazon product images
Try Bulk Compression — Free, No Upload
Frequently Asked Questions
What is the main difference between Squoosh and CompressTo20KB?
Squoosh (by Google) processes 1 image at a time with advanced codec controls. CompressTo20KB focuses on bulk compression (up to 50 images), Exact KB targeting (20KB, 50KB, 100KB), and USCIS/DS-160 presets. Both are 100% browser-based with no upload.
Can Squoosh compress multiple images at once in 2026?
No. Squoosh only processes 1 image at a time. If you need to compress 10-50 images, CompressTo20KB bulk mode processes them all simultaneously in your browser — no upload, no queue.
Can I compress to an exact file size like 20KB in Squoosh?
No. Squoosh lets you adjust quality percentage but cannot target a specific file size. CompressTo20KB Exact KB Mode hits your target size — 20KB, 50KB, 100KB — automatically using binary search compression.
Is Squoosh better for advanced users than CompressTo20KB?
Squoosh offers more technical codec controls (MozJPEG, AVIF encoder settings, bit depth) for users who want fine-grained control. CompressTo20KB is faster for everyday users who need results in seconds without adjusting codec parameters.
Which is better for USCIS or DS-160 photo requirements?
CompressTo20KB. It has a dedicated Gov 20KB preset that outputs exactly 20KB JPEG under 240x240px — the USCIS N-400 and DS-160 requirement. Squoosh has no preset system and requires manual trial-and-error to hit 20KB.
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