What is the difference between baseline and progressive JPEG?

Baseline JPEG loads top-to-bottom. Progressive JPEG loads in passes, showing a blurry preview first. Progressive files are slightly larger but provide better perceived loading speed.

How does chroma subsampling affect image quality?

4:4:4 preserves full color information for best quality. 4:2:2 and 4:2:0 reduce color data for smaller files. Use 4:4:4 for graphics with sharp edges, 4:2:0 for photographs.

Which color profile should I use for printing?

Use Adobe RGB or CMYK for professional printing. sRGB is standard for web and screen display. JPEG.to preserves or converts color profiles during conversion.

How do I reduce JPEG file size without visible quality loss?

Quality settings 75-85 offer excellent compression with minimal visible difference. Strip unnecessary metadata, use 4:2:0 subsampling, and enable optimization for maximum reduction.

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