Question 1

How much can I reduce file size?

Accepted Answer

Typically 60–80% file size reduction with almost no visible quality loss, depending on the original image and your quality settings.

Question 2

Are my images uploaded to a server?

Accepted Answer

No. All compression happens locally in your browser using JavaScript. Your images are never uploaded anywhere.

Question 3

What formats can I compress?

Accepted Answer

JPG/JPEG, PNG, and WebP formats are all supported.

Question 4

Can I compress multiple images at once?

Accepted Answer

Yes, batch compression is supported. You can upload and compress multiple images simultaneously.

智能压缩

Image Compressor — Reduce File Size Without Quality Loss