Question 1

How does exact target size compression work?

Accepted Answer

Compressify uses a binary search algorithm across encoding quality and resolution scale to land as close to your target size as possible, then performs format-aware byte-level padding to match the exact target size you set, down to a single byte.

Question 2

Can I compress multiple images at the same time?

Accepted Answer

Yes. Compressify is built for batch workflows. Drag and drop or paste as many images as you like, then compress and download all of them together as a single ZIP archive.

Question 3

Is Compressify lossless mode truly lossless?

Accepted Answer

Lossless mode keeps 100% of the original resolution and visual quality while removing metadata and optimizing the binary structure, which can still reduce file size for many images.

Question 4

Are my images uploaded to a server?

Accepted Answer

No. All compression happens entirely inside your browser using HTML5 Canvas APIs. Your images never leave your device, making it 100% private and secure.

Frequently Asked Questions

How does exact target size compression work?

Can I compress multiple images at the same time?

Is Compressify lossless mode truly lossless?

Are my images uploaded to a server?