# andreas-mausch/whatsapp-viewer

Small tool to display chats from the Android msgstore.db database (crypt12)

Repository: https://github.com/andreas-mausch/whatsapp-viewer
Canonical: https://ross.abutalabs.com/products/whatsapp-viewer
Homepage: https://andreas-mausch.de/whatsapp-viewer/
Language: C
License: MIT
License Family: permissive
Last push: 2023-08-28T00:21:39+00:00

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 4545, "days_push": 1102, "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 1433, forks 445 (observed 2026-08-28T04:04:43.212110+00:00)

## What it is
A small Windows application (with command-line support) that decrypts and displays WhatsApp chat history from the Android msgstore.db database, supporting crypt5 through crypt14 formats. It can export conversations to txt, html, and  and resolve contact names from wa.db.

## Use cases
- read whatsapp chats on pc
- backup whatsapp messages to computer
- decrypt msgstore.db crypt12 file
- export whatsapp chat to txt or
- view old whatsapp conversations without phone
- recover whatsapp messages after losing phone

## When to choose
- you have root access and the key file from an Android phone
- you need a dependency-free Windows tool to read WhatsApp backups
- you want to export chats to txt, html, or

## When to avoid
- you use the latest WhatsApp database format, which is not yet supported
- you lost the key file or your phone - decryption is impossible
- you need iPhone or Blackberry backup support
- you need a maintained, actively updated tool

## Facets
- artifact type: application
- maturity: maintenance
- function: cryptography, parser, developer-tools, gui, cli
- domain: privacy, android-tools, files, messaging-platforms
- platform: windows
- tags: whatsapp, msgstore-db, crypt12, chat-backup, sqlite, message-viewer, decryption, desktop, android

## Member repositories
- andreas-mausch/whatsapp-viewer (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:43.212110+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 2026-08-30T04:36:57.047035+00:00, confidence not recorded.
  - readme: https://github.com/andreas-mausch/whatsapp-viewer (fetched 2026-08-28T04:04:43.212110+00:00, sha 5500e800ebd3)
  - homepage: https://andreas-mausch.de/whatsapp-viewer/ (fetched 2026-08-29T11:47:59.657602+00:00, sha 32d5c8c487f3)
- Data as of 2026-08-30T08:39:29.467469+00:00.