Turn a JPEG 2000 image into a JPG. It is converted in your browser, so the file never leaves your device.
Drop JP2 files here
or choose from your computer paste with Ctrl V
from Photos or Files
Ready · other file types work too0 bytes uploaded, ever
Drop JP2 (JPEG 2000, J2K) files onto the box above, or click it to choose them. ToAny reads the file's contents to detect the type, so a wrong extension does not matter.
Press Convert. Open Options first if you want to change the defaults. The work happens in this tab.
Save the JPG, or download everything as one ZIP if you converted several files.
The JP2 to JPG converter is part of this page and runs inside your browser. Your images are never sent to ToAny or to anyone else.
Nothing has to travel to a server and back, so the conversion starts the moment you press Convert, even on a slow connection.
No sign-up, no email address and no watermark. Add several files and download them together as a ZIP.
JPEG 2000 files from archives, libraries and scanners do not open in most browsers or in many upload forms. JPG is accepted everywhere. The conversion adds a second round of lossy compression, so keep the JPEG 2000 original for archiving.
JPG has no transparency, so see-through areas of a JP2 are filled with a solid colour, white by default; you can change it under Options. The defaults suit most files. Under Options you can set the quality, aim for a target file size and resize the result.
JPEG 2000 files with a transparency channel, extra components or subsampled colour are refused for now; greyscale and ordinary colour files convert. The decoder is a WebAssembly module that downloads the first time and is cached.
JPEG 2000 replaces JPEG's blocky compression with wavelets, giving cleaner results at high compression and a true lossless mode. It never displaced JPEG on the web, but libraries and archives, DICOM medical images and cinema distribution use it. Safari is the only major browser that shows it.
Opens in Safari, Preview, Photoshop and medical, archive and cinema software; Chrome and Firefox do not display it
JP2 converterJPG (also written JPEG) is the format almost every camera and website uses for photographs. It throws away detail the eye barely notices to keep files small, which is why it suits photos and struggles with sharp text or flat colour.
Opens in Every browser, phone, camera, TV and image app
JPG converter| JP2JPEG 2000 image | JPGJPEG image | |
|---|---|---|
| Stands for | JPEG 2000 | Joint Photographic Experts Group |
| Type | Raster image | Raster image |
| Compression | Lossy or lossless (wavelet) | Lossy |
| Transparency | Yes | No |
| Animation | No | No |
| Introduced | 2000, by the Joint Photographic Experts Group | 1992, by the Joint Photographic Experts Group |
| Opens in | Safari, Preview, Photoshop and medical, archive and cinema software; Chrome and Firefox do not display it | Every browser, phone, camera, TV and image app |
| Best for | Scanned archives, medical images and digital cinema | Photos you need to share, upload or print |
| File extension | .jp2, .j2k, .j2c, .jpc | .jpg, .jpeg, .jpe, .jfif, .jif |
No. The JP2 to JPG conversion runs inside your browser, on your own phone or computer. The file is not sent to ToAny or to anyone else.
JPG is a lossy format, so a small amount of detail is traded for a smaller file. At the default setting the difference is hard to notice. You can raise or lower the quality under Options.
Yes. Add as many as you like, convert them together and download each result or all of them as one ZIP.
The steps are the same everywhere because ToAny runs in the web browser: open this page in a current version of Chrome, Edge, Safari or Firefox, add the JP2 file, press Convert and save the JPG. There is nothing to install.
Pictures of up to 120 megapixels are accepted (for example 12,000 by 10,000 pixels); a larger one is refused with a message. Beyond that the limit is your device's memory, since nothing is uploaded; a computer copes with large files better than a phone.