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Codiff, a local diff review tool

Codiff, a local diff review tool

May 17, 2026 Developer Tools
code review diff viewer git_integration

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Codiff, a local diff review tool

About

Nowadays I review a lot of code locally that was written by llms. I used to review my own code using git + delta. It started to feel limiting with the amount of code written by llms.When looking at a large diff on Friday I pointed an llm at diffs.com and trees.software and told it to build an app. It only took 16 minutes, is extremely fast for large diffs, beautiful and minimal.Today I polished it up and added all the features that I need. It has file filters, search, an llm walkthrough mode, and review comments that you can paste back into your llm.I will be using Codiff a lot, and can finally review the large diff from Friday that led me to build this If you like it, fork it!

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