Quality Compressor
Free online compress image without losing quality tool. Browser-based, private, no uploads.
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Quality Compressor
Quality-first compression finds the smallest file that still looks identical to the eye. Use it right here in your browser — free, private, no uploads.
Why it matters: Quality-first compression finds the smallest file that still looks identical to the eye.
How to Quality Compressor
- 1Drop your images into the tool above. Everything stays in your browser — nothing is uploaded.
- 2Pick a mode — Target Size for exact KB limits, Quality Control for a fixed ratio, or Auto-Optimize for the best balance.
- 3Compress and download. Need "compress image without losing quality"? This compressor covers that and more.
Best settings for this page: Open the tool, drop your images, and choose the mode that matches this goal.
All compression runs locally in your browser. Your files are not uploaded to any server.
Frequently Asked Questions
For PNG/TIFF, yes. For JPG/WebP, we use perceptual compression that preserves visual quality while reducing file size significantly.
Our algorithm analyzes image content, preserving detail in important areas (faces, text) while optimizing less critical regions.
Yes! Our interface shows side-by-side comparison so you can verify quality before downloading your compressed image. Everything is processed locally in your browser, so your files never leave your device.
PNG and TIFF support true lossless compression. For JPG/WebP/HEIC, we use smart perceptual compression that's visually lossless.
Yes. There is no charge, no account, and no watermark on the output. Everything is processed locally in your browser, so your files never leave your device. This keeps your data private and avoids waiting for server processing.
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