You will receive an invoice in your account section after your purchase. It will contain the last 4 digits of your credit card number, the date of purchase, the transaction id, your email, our business number, etc.

Bring a powerful text, image and file comparison app to your desktop. Available for Windows, macOS and Linux.
Available on all platforms:


Take advantage of all Diffchecker features such as unified diff view, character-level diffs and more



Keep your files confidential and private – with Diffchecker Desktop they never leave your computer
Since Diffchecker Desktop runs fully on your computer, it doesn’t communicate with our servers to create your diffs.
What this means is that there’s no way anybody else but you can view your sensitive data.

Diffchecker Desktop runs offline which means you can use it wherever you are and save on your data plan.
As everything happens locally on your own computer, you also get significantly improved app speed.

You will receive an invoice in your account section after your purchase. It will contain the last 4 digits of your credit card number, the date of purchase, the transaction id, your email, our business number, etc.
No, not at all. You can use Diffchecker Desktop forever after purchasing it, and you get a year of free updates with your purchase. The subscription is only for those who would like to keep receiving updates after a year. This model is a lot simpler than that of other desktop software for which you have to pay separately for version 2 of a software after they’re done with version 1 and they stop supporting it. If you subscribe to Diffchecker Desktop, you will always have the latest version for just $24.50/yr after the first year.
You can switch the computer your license is associated with up to 5 times a year. This means that you can transfer licenses to a new computer easily but cannot use it one multiple computers simultaneously: you would need multiple licenses for that.
No, and we don’t currently have any plans for them. Everyone pays the same amount per license.
Have more questions? Contact us