If you want to compress images online without losing clarity, the quality slider on ProCompressor is your best tool. It helps you control the balance between file size and visual quality using a simple drag slider.
What Is the Image Quality Slider?
The image quality slider on ProCompressor allows users to select the level of compression applied to an image. A higher value keeps more image detail, while a lower value results in a smaller file size.
Default Range:
- 🔧 100 = Highest quality (less compression)
- 📉 70 = Recommended for web (balanced)
- 💾 40 = More compression (smallest file size)
Why Control Compression Quality?
Every image format (JPG, PNG, WebP) reacts differently to compression. Some lose sharpness quickly, while others maintain quality. The slider gives you manual control to test and optimize based on need.
Use Cases:
- 📷 Photography: Keep quality high (~90–100)
- 📝 Blog post images: Balanced (~70)
- ⚡ Web icons or background images: Low (~40–60)
How to Use the Slider Effectively
- 🖼️ Upload your image (JPG/PNG/WebP) on ProCompressor
- 🎚️ Use the quality slider below the image preview
- 👀 Instantly view the compressed vs original side-by-side
- 📥 Click "Download" to get the optimized image
Best Practices for SEO & Speed
- ✅ Always test your image on different quality levels
- 📈 Keep file size below 150KB for featured blog images
- 🔍 Name images with keywords (e.g.,
image-quality-slider.jpg) - 📱 Check preview for mobile and desktop view
Real Example
Original Image: 1.4MB
Slider at 70%: 280KB – Visual quality retained
Slider at 40%: 120KB – Slight blur, fast load
Conclusion
The image quality slider is your secret weapon for perfect image optimization. Whether you need fast loading times or sharp visuals, ProCompressor gives you full control. Try it now and improve your image SEO instantly.
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