# xuchengsheng/wx-dump-4j

一款基于Java开发的微信数据分析工具。

Repository: https://github.com/xuchengsheng/wx-dump-4j
Canonical: https://ross.abutalabs.com/products/wx-dump-4j
Homepage: https://wx.xxccss.com
Language: Java
License: MIT
License Family: permissive
Topics: java, jna, spring, springboot, wechat
Last push: 2025-03-24T07:45:51+00:00

## Health v2 (maintenance only)
Score: 22/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 13, release rhythm 8, longevity 67
- inputs: {"age_days": 951, "days_push": 527, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2742, forks 447 (observed 2026-08-28T04:07:16.562946+00:00)

## What it is
A Java-based WeChat data analysis tool that reads, backs up, and manages WeChat chat history. It uses JNA to access WeChat process data and Spring Boot with SQLite for storage and analysis.

## Use cases
- backup my wechat chat history
- analyze wechat chat records
- export wechat messages to excel
- search wechat chat logs
- manage wechat contact and message data

## When to choose
- you need to back up or analyze your own WeChat chat history on Windows
- you want a Java/Spring-based tool you can extend
- you want to export chat data for analysis

## When to avoid
- you need WeChat analysis on macOS or Linux
- you want a supported, official WeChat export solution
- reading other people's chat data without consent - this raises legal and ethical issues

## Facets
- artifact type: application
- maturity: active
- function: analytics, data-visualization, backup, developer-tools
- domain: messaging-platforms, data-science, privacy, developer-tools
- platform: windows, jvm
- tags: wechat, chat-history, message-analysis, jna, spring-boot, sqlite, desktop

## Member repositories
- xuchengsheng/wx-dump-4j (main) score 22

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:16.562946+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T08:19:08.104567+00:00, confidence not recorded.
  - readme: https://github.com/xuchengsheng/wx-dump-4j (fetched 2026-08-28T04:07:16.562946+00:00, sha 4605f18ea9b3)
- Data as of 2026-08-30T08:39:29.467469+00:00.