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You might find your answer here!

How much does quality drop during compression?

At the default 80-90% quality, it's nearly impossible to see a difference with the naked eye. This range is recommended for most uses.

Can I process multiple photos at once?

Yes! Image Master now supports bulk batch processing. You can upload multiple images at once and optimize them with unified settings.

Is my data transmitted to a server?

No. UltraUtils uses client-side processing technology. Your images are processed entirely within your browser and never uploaded to our servers.

Is there a watermark on the output?

No. Our tool is 100% free and does not add any watermarks to your optimized images.