JPEG 2000 viewer
To open a JPEG 2000 file, drop it in the box below. It opens straight away, even with no extension or the wrong one. Your browser opens it on your device: nothing is uploaded.
Open in
Opened on this device, never uploadedDrop or paste another file at any time
What you see
| JPEG 2000 in the viewer | |
|---|---|
| Decoded | With OpenJPEG, in every browser |
| Files | .jp2, .jpx and bare .j2k codestreams |
| Next | Convert to JPG, PNG or WebP |
| Extensions | .jp2, .j2k, .jpf, .jpx, .j2c, .jpc |
| Upload | None: opened on your device |
What is a JPEG 2000 file?
In short
JPEG 2000 (.jp2, .j2k) is the picture format of archives, medical imaging and digital cinema. Only Safari shows it by itself.
The picture, decoded by OpenJPEG (the decoder inside pdf.js) on your device, with zoom.
How to open a JPEG 2000 file
- Add your JPEG 2000. Drop the file in the box, choose it or paste it.
- Look at it. The picture, decoded by OpenJPEG (the decoder inside pdf.js) on your device, with zoom.
- Take it further. Open in hands it, in a new tab, to File converter or Batch.
Questions
Drop it on Convert and pick JPG: it is decoded and written on your device.
No. The viewer runs in your browser and opens the file on your device. Nothing is sent anywhere.