JP2 to JXL converter
Convert JP2 to JXL for free, with no sign-up and no paywall after upload.
- Where it runs
- Our server, files deleted in 60 min
- Free allowance
- 25 files a day, up to 200 MB each
- Typical time
- Usually under a minute
- Sign-up
- Not needed
What happens to your JP2
This conversion runs on our server. Your file is deleted within 60 minutes, and you can delete it yourself as soon as you have downloaded the result.
How to convert JP2 to JXL
- Choose your file Tap Choose files and pick the JP2 files, or drop them onto the page. You can add several at once.
- Convert to JXL Tap Convert. The file is sent over an encrypted connection and converted on our server.
- Download Tap Download to save the JXL file. It is deleted from our server within 60 minutes, or straight away if you tap Delete.
What is a JP2 file?
A successor to JPG used in medical imaging, digital cinema, archives and some passport and ID systems. It compresses better than JPG but few browsers show it.
macOS Preview, Photoshop, GIMP and IrfanView open JP2.
What is a JXL file?
A modern image format that can shrink existing JPGs by about 20% with no loss, and supports HDR and transparency.
Safari 17+, macOS Sonoma, GIMP and newer image viewers open JXL.
Questions
Is converting JP2 to JXL free?
Yes. You can convert up to 25 files a day on our server for free, each up to 200 MB, with no sign-up. The limit is shown before you upload, and we never ask you to pay to download a file you have already converted.
Is it safe to convert my JP2 files here?
Yes. Files travel over an encrypted connection, are processed on our own server, and are deleted within 60 minutes. Nobody looks at them, and you can delete them yourself straight after downloading.
How long does JP2 to JXL take?
Usually under a minute. Bigger files take longer, and you can watch the progress on each file.
Can I convert JP2 to JXL on my iPhone or Android phone?
Yes. The converter works in Safari, Chrome and any modern browser. Tap Choose files, pick from Photos or Files, and download the result to your phone.
How do I open a JXL file?
Safari 17+, macOS Sonoma, GIMP and newer image viewers open JXL.