Show HN: Codiff, a local diff review tool
Local-first code review for the LLM era. One developer built Codiff in 16 minutes—now it's handling diffs too large for git.
Why it matters
As LLMs generate larger code blocks faster, traditional diff tools are becoming bottlenecks. Codiff addresses a real workflow problem for AI-assisted development teams by adding LLM-native features like walkthrough mode and comment export.
The key facts
8 to knowBuilt in 16 minutes using LLM assistance
Features: file filters, search, LLM walkthrough mode, review comments export
Designed for reviewing large diffs from LLM-generated code
Open-source on GitHub
Show HN post (early-stage, community validation stage)
Built in 16 minutes using LLM + reference sites (diffs.com, trees.software)
Use case: reviewing large diffs from LLM-generated code
9 points on Hacker News; early-stage indie tool
Go to the source
Hacker Newsgithub.com
Publisher excerpt: 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.…