---
title: Projects
description: "Personal projects by Zeng Liangyi: AI knowledge management (ChatCrystal), developer debugging extensions, document parsing evaluators, and offline image tools."
image: "https://zengliangyi.com/og/default.png"
---

Selected work

# Projects

From organizing AI coding conversations to debugging API requests and processing images locally, these are tools I built for my own workflow.

- [#JavaScript](/en/projects/tag/javascript)

- [#AI](/en/projects/tag/ai)

- [#Canvas](/en/projects/tag/canvas)

- [#Chrome Extension](/en/projects/tag/chrome-extension)

- [#Developer Tools](/en/projects/tag/developer-tools)

- [#Document AI](/en/projects/tag/document-ai)

- [#HTML](/en/projects/tag/html)

- [#MCP](/en/projects/tag/mcp)

- [#Offline Tools](/en/projects/tag/offline-tools)

- [#Python](/en/projects/tag/python)

[2026

## ChatCrystal

A local-first knowledge app that turns AI coding conversations into reusable notes, semantic search and MCP memory.

#TypeScript

#AI

#MCP](/en/projects/chatcrystal)[2026

## Network Error Reporter

A Chrome DevTools extension that turns failed network requests into structured Markdown and image reports.

#JavaScript

#Chrome Extension

#Developer Tools](/en/projects/network-error-reporter)[2026

## Square Image Workshop

An offline browser tool for square image composition, white backgrounds and compressed JPG export.

#HTML

#Canvas

#Offline Tools](/en/projects/image-tool)[2026

## PaddleOCR-VL Document Parsing Evaluator

Evaluate Baidu Cloud document parsing by comparing reading order, layout coordinates, tables and Markdown with the source document.

#Python

#JavaScript

#Document AI](/en/projects/paddleocr-vl)

##  Let's talk about projects and technology

If you're interested in AI agents, developer tools or frontend development, I'd be glad to exchange ideas.

[Contact me](/en/contact) [About me](/en/about)

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  "name": "ZengLiangYi Blog",
  "alternateName": [
    "Zeng Liangyi",
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  "url": "https://zengliangyi.com",
  "description": "曾亮懿的个人网站。记录 AI Native 探索、开发者工具与全栈产品实践。"
}
```
