.jp2
Batch convert JPEG 2000 (.jp2 / .j2k) to JPG — or images to JP2
JP2 and J2K in, JPG and PNG out — and back again.
Download the trial: 10 free images
Convert the whole folder now. Keep 10 results clean, free. $129 once removes the watermark from the rest. No card, no account, no upload. Windows 10 and 11.
- Add JP2 / J2K filesDrop a whole folder of JPEG 2000 images into the batch.
- Pick output formatChoose JPG, PNG, TIFF, JP2 or any of 28 output formats.
- Convert in bulkProcess hundreds of JPEG 2000 files in one run.
Open and convert whole folders of JPEG 2000 files on Windows, offline. No upload, no subscription.
Convert both directions
JP2 / J2K → JPG / PNG
Turn archive and medical JPEG 2000 images into everyday JPG or PNG that opens anywhere.
JPG / PNG → JP2
Encode your photos to JPEG 2000 (.jp2) when an archive or workflow requires it.
Why a desktop JPEG 2000 converter
Before Contenta
Online JP2 converters cap free files, queue uploads, and put archive or medical images on someone else's server.
After Contenta
Contenta Converter runs entirely on your PC — unlimited files, full speed, and your images never leave your machine.
Start Converting Photos Today
Choose the plan that works for you. All plans include every feature.
No subscription trap. Contenta is a one-time purchase — less than 2 months of Lightroom, and it's yours forever.
Frequently Asked Questions
Contenta reads 100+ input formats, including JPEG, PNG, TIFF, WebP, HEIC, AVIF, BMP, GIF, PDF and 30+ camera RAW formats (CR2, NEF, ARW, DNG, RAF, and more), and writes 28 output formats.
There is no limit. Contenta uses multi-core processing to convert thousands of images in minutes. Users regularly process 10,000+ photos in a single batch.
Yes. Contenta supports 30+ RAW formats from Canon, Nikon, Sony, Fuji, Panasonic, Olympus, and more. Full white balance, denoising, and color adjustment controls are built in.
Every feature, every file and no time limit. Each batch converts in full; results carry a small watermark until you pick up to 10 of them to keep clean. Those picks count once per PC, not per batch, and a batch of 500 costs none until you choose. A license ($129 once) removes the watermark from everything you convert.
No. Contenta Converter is a one-time purchase. You pay once and own it forever, including all future updates. No monthly or yearly fees.
What Our Users Say
“I have been using Contenta Converter for years and it has saved me countless hours of work. Highly recommended!”
“Simple, fast, and does exactly what it promises. The batch processing is incredibly efficient.”
“Best image converter I have found. The RAW support and metadata handling are top-notch.”
Published by ContentaSoft, Umea, Sweden, developer of Contenta Converter PREMIUM.
Contenta Converter PREMIUM is a desktop application for Windows that batch converts, resizes, renames, watermarks, and processes images in 100+ formats including JPEG, PNG, WebP, HEIC, TIFF, RAW, and PDF.
This software contains no adware, spyware, toolbars, or bundled third-party programs. The installer installs only Contenta Converter PREMIUM.
Conversion, resizing, watermarking and metadata editing run on your computer. The optional AI features (background removal, photo restoration, colorize) send the images you process with them to Google Gemini using your own API key. The software does not collect personal data.
Free trial with every feature and no time limit: every file converts, up to 10 results you pick stay clean and the rest carry a watermark. Lifetime license: $129 (one-time payment, no subscription).
How to Uninstall
Open Windows Settings > Apps > Installed apps, find "Contenta Converter PREMIUM" in the list, and click Uninstall. You can also run the uninstaller from the installation folder or use Control Panel > Programs and Features.
Download size: ~2 MB (web installer). Additional components are downloaded during installation (~300 MB total).