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Reddit threads on r/webdev, r/photography, and r/graphic_design consistently recommend: browser-based compressors for quick jobs, Squoosh for web developers, ImageMagick for CLI automation. Here is the honest breakdown.
Drop images — compress with quality presets and before/after comparison.
Open Image Compressor| Tool | Type | Price | Upload | Limits | Best For |
|---|---|---|---|---|---|
| Browser compressor | Web (local) | ✓ Free | ✓ No upload | ✓ None | Quick compression, privacy |
| Squoosh (Google) | Web (local) | ✓ Free | ✓ No upload | One at a time | Web dev, codec comparison |
| TinyPNG | Web (server) | Free + paid | ✗ Uploaded | 20/batch, 5MB each | Quick if you do not mind upload |
| ImageMagick | CLI | ✓ Free | ✓ No upload | ✓ None | Batch scripting, automation |
| ShortPixel | Web (server) | Free + paid | ✗ Uploaded | 100/month free | WordPress integration |
| GIMP | Desktop | ✓ Free | ✓ No upload | ✓ None | Compression + editing combined |
| Format | Typical Photo (1200x900) | Transparency | Compatibility | Best For |
|---|---|---|---|---|
| JPG at 80% | 150-300KB | ✗ No | ✓ Universal | Photos, general images |
| WebP at 80% | 100-200KB | ✓ Yes | Modern browsers | Web images (smallest) |
| PNG | 800KB-2MB | ✓ Yes | ✓ Universal | Graphics, logos, screenshots |
| AVIF at 80% | 80-150KB | ✓ Yes | ~Newer browsers only | Next-gen web (when supported) |
| Quality | File Size Reduction | Visible Difference | Use Case |
|---|---|---|---|
| High (85%) | 30-50% | ✓ None visible | Print, professional, portfolio |
| Medium (65%) | 50-70% | Barely (zoom to see) | Web, email, social media |
| Low (40%) | 70-85% | Yes — some softening | Thumbnails, previews, quick sharing |
Compress images — no upload, no signup, no limits. Reddit-approved.
Open Image Compressor