Question 1

What is a .MJ2 file?

Accepted Answer

A .MJ2 file is a Motion JPEG 2000 format used in the video category. You can view the full technical details on this page, or convert it to another format using the tool above.

Question 2

How do I convert a .MJ2 file online for free?

Accepted Answer

Select a target format from the list on this page (e.g. A64, APNG, ASF), configure any settings, then click Start Conversion. No software to install, no account required for files up to 25 MB.

Question 3

What formats can I convert .MJ2 to?

Accepted Answer

You can convert .MJ2 to 30 formats including A64, APNG, ASF and 27 more.

Question 4

Is the .MJ2 converter free?

Accepted Answer

Yes, completely free for files up to 25 MB, 5 conversions a day. No account or credit card needed. Bigger files are coming with the Pro plan.

Question 5

Is my .MJ2 file kept private?

Accepted Answer

Yes. Files are uploaded over an encrypted connection and permanently deleted from our servers within 24 hours. We never read, store, or share your files.

Question 6

Can I convert multiple .MJ2 files at once?

Accepted Answer

On the free tier files are converted one at a time. Batch conversion (up to 10 files) is planned for the Pro tier.

MJ2 File Converter — Convert .MJ2 to A64, APNG, ASF & More

Motion JPEG 2000

Convert MJ2 to (30 formats)

Select a Target Format

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What is a .MJ2 file?

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