The Developer's Diff Tool

DiffLens' semantic diffs are currently supported for TypeScript, JavaScript and CSS. Other languages will fall back to using text diffs. Work is already under way to support more languages!

Yes! DiffLens NEVER stores any source code. To calculate and render diffs, DiffLens calls GitHub's APIs at run time. In addition, DiffLens is a verified app and has the verified badge on GitHub.

Yes! DiffLens has a fully featured free trial for 14 days. Find us on the GitHub Marketplace

Once DiffLens has been installed for a repository, whenever a new pull request is opened, DiffLens will create a diff in a few seconds and add it as a comment to the pull request. Simply click on the comment to view the diff!

Our guiding principle is to collect only what we need to offer DiffLens. In plain english, we only store email ids when you purchase DiffLens on the GitHub marketplace. We do this so we can contact you about billing and other important information. We also store your GitHub handle so we know who our current customers are. We don't store any other information. If you want us to delete your email id, please email us at support@difflens.com and we'll be happy to help you! The full privacy policy is here

Read-only permission on repository contents, read-only permission on metadata, and read-write access to pull requests to read contents and add comments

DiffLens can only access repositories for which you have enabled DiffLens on GitHub. You can enable/disable access for each repository at any time on GitHub.

Not currently. We have plans to offer them very soon though! At the moment, most of our customers have been able to get their DiffLens purchase reimbursed by their employers

No! Anyone can view diffs as long as they have the link to the diff. However, DiffLens will only create diffs for customers who have signed up for DiffLens.