Custom Image Quality
Dial quality from 1–100 and see the result live.
About Custom Image Quality
Custom Image Quality is here for getting image file size down: dial quality from 1–100 and see the result live. It takes JPG, JPEG, PNG and 9 more and produces JPG, JPEG, PNG, WEBP. Files up to 100 MB each, 50 at a time, and the work happens on your own machine rather than on a server.
For the moment a file has to be something else before it is useful: Custom Image Quality makes the JPG, JPEG, PNG, WEBP version on the spot.
How to use Custom Image Quality in 3 steps
- Drop the picture on the page — JPG, JPEG, PNG and 9 more, up to 50 at a time.
- Set the Quality slider, watching the size change as you move it.
- Press Compress image and download the result in whichever of JPG, JPEG, PNG, WEBP suits you.
What you get with Custom Image Quality
- Accepts JPG, JPEG, PNG and 9 more in one go
- Output in JPG, JPEG, PNG, WEBP
- Batch up to 50 files, returned together
- Runs in your browser — the file is never uploaded
- Free to use, with no signup and no account
- No watermark or logo added to your output
- Works on desktop and mobile, no install
Custom Image Quality: questions
- Will it work on a phone?
- Yes. The layout adapts to a small screen and the processing runs in the mobile browser, so a photo or a downloaded document can be handled on the device it arrived on.
- Do I need to pay or register?
- No. Every tool on this site is free, with no account, no email and nothing to install.
- Which file types does Custom Image Quality accept?
- The drop area takes JPG, JPEG, PNG and 9 more. Files are read from your device in the browser, so the format has to be one a browser can decode — that is why the accepted list on this page is finite and honest rather than "everything".
- What do I get back from Custom Image Quality?
- The result is JPG, JPEG, PNG, WEBP, offered as a download the moment the work finishes. Multiple results come back together rather than as fifty separate save dialogs.