For web use or sharing, "Good" (150 DPI) is usually sufficient. For printing, choose "High" (200 DPI) or "Best" (300 DPI). Higher quality means larger file sizes.

There's no hard limit. However, very large PDFs with many pages may take longer to process and use more memory. Processing happens entirely in your browser.

No! All processing happens locally in your browser. Your files never leave your device, ensuring complete privacy.