Paste two versions of Scala code, or drop .scala, .sc and .sbt files, to see every change highlighted. Use it to compare two versions of a source file or sbt build. Diffspot highlights Scala syntax, marks changed words inside each line and recognizes moved blocks. Press Try an example to see it on a real Scala change.
How to compare Scala files
- Paste or drop the original Scala code on the left.
- Paste or drop the changed version on the right. The diff updates as you type.
- Jump between changes with F7 and Shift+F7, or switch to Unified view to read it like a pull request.
- Copy or export a unified diff, a .patch file or an HTML report.
Scala comparison tips
- Comparing ScalaComparing build.sbt between projects? Collapse unchanged lines to focus on the settings that differ.
- Your code stays privateThe comparison runs on your device in WebAssembly. Proprietary code is never uploaded or stored.
- Fast on large filesFiles with hundreds of thousands of lines compare in about a second.
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Frequently asked questions
Is Scala detected automatically?
Yes. Diffspot recognizes Scala from the file name (.scala, .sc and .sbt) or from the code itself. You can also choose it in the Syntax menu.
Is my code uploaded?
No. The page loads the diff engine once; after that your code stays in the browser tab. How Diffspot works explains how you can check this yourself.
Can I get a patch file?
Yes. Export → Download .patch creates a standard unified diff that git apply or patch can apply.