UtilineOnline utility toolkit

Compress documents and images

Start with lossless PDF optimization; tune JPEG/WEBP quality for photos.

Tools in this hub

Start with a working Utiline tool

Reduce

Compress PDF

Reduce PDF file size with lossless optimization by default. Optional stronger compression when available.

Reduce

Compress image

Shrink photos and graphics for email or the web. Choose JPEG or WEBP quality, upload once, and download a smaller file.

Related hubs

More ways to work with files

FAQ

Compress PDFs and images questions

Is PDF compression lossless by default?

Yes on the free tool unless aggressive mode is explicitly available.

Can I compress multiple images at once?

Each image job processes one upload on the free tier flow.