Built a Code Diff Tool for Automated Technical Documentation and PR Summaries

Published: (May 5, 2026 at 07:06 AM EDT)
1 min read
Source: Dev.to

Source: Dev.to

Cover image for Built a Code Diff Tool for Automated Technical Documentation and PR Summaries

Live Demo

https://diffdocs.onrender.com

Overview

DiffDocs is a developer utility that:

  • Compares two versions of a code snippet with a visual diff (GitHub‑style).
  • Sends the detected changes to the Groq API (Llama 3) to generate structured technical documentation and pull‑request summaries.
  • Provides ready‑to‑use documentation and PR descriptions automatically.

Why I Built It

Created as a fresh graduate to practice real‑world skills such as:

  • API integration
  • Handling asynchronous requests and responses
  • Building a UI that visualizes code differences

Request for Feedback

I would genuinely appreciate any feedback on:

  • The tool itself
  • The code implementation
  • Whether this type of project is worth highlighting on a resume

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