Image Quality Enhancer & Upscaler
Enhance clarity, sharpen details, and upscale images up to 8× with automatic smart enhancements that keep natural colors, contrast, and transparency intact.
Drop an image or click to upload
Supports JPG, JPEG, PNG, WebP — processed 100% locally in your browser
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Frequently Asked Questions
ToolBro uses multi-pass bicubic upscaling and luminance-preserving enhancement algorithms. The luminance channel is processed separately from color channels, guaranteeing that 2×, 4×, and 8× upscaling never clips shadows or causes dark/black output.
When you load an image, our client-side engine automatically detects whether your image is a photo, screenshot, illustration/anime, or logo/text, applying calibrated contrast (+12), sharpening (+35), saturation (+6), and noise reduction (+18) without any manual effort.
Yes! Simply click the 'Advanced Settings' button to reveal sliders for Sharpness, Contrast, Brightness, Saturation, and Denoise, or click 'Reset to Smart Defaults' to restore optimized settings.
Yes. When you upload a PNG with transparency, ToolBro maintains the alpha channel across all upscaling passes and exports clean transparent PNGs.
No. Everything runs 100% locally in your browser memory using HTML5 Canvas and your device's hardware acceleration.