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WhatsApp Scraper, Media Downloader, Chat, Members Export by Mastros

Chrome extension by Mastros.Online · Productivity · Tools

  • Established publisher
  • Trader

A Chrome extension in Productivity · Tools with 310 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
310
Rating
5.0 (46 ratings)
Users, last 18 days
+96
Rating, last 30 days
Not watched long enough to say
Version
1.8.2
Updated in the store
2026-09-15
Published
2026-06-29
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+96 since 31.08
214-310 · 11 readings
2026-09-03: released 1.6.72026-09-11: released 1.6.102026-09-12: released 1.6.112026-09-15: released 1.7.32026-09-15: released 1.8.2
  1. 2026-08-31214
  2. 2026-09-02224
  3. 2026-09-04251
  4. 2026-09-06258
  5. 2026-09-07274
  6. 2026-09-08272
  7. 2026-09-10276
  8. 2026-09-13288
  9. 2026-09-15294released 1.7.3released 1.8.2
  10. 2026-09-16310
  11. 2026-09-17310
Rating
unchanged since 31.08
reviewsrating 5.00 · 11 readings
2026-09-03: released 1.6.72026-09-11: released 1.6.102026-09-12: released 1.6.112026-09-15: released 1.7.32026-09-15: released 1.8.2
  1. 2026-08-31reviews47rating5.00
  2. 2026-09-02reviews47rating5.00
  3. 2026-09-04reviews47rating5.00
  4. 2026-09-06reviews47rating5.00
  5. 2026-09-07reviews47rating5.00
  6. 2026-09-08reviews47rating5.00
  7. 2026-09-10reviews47rating5.00
  8. 2026-09-13reviews46rating5.00
  9. 2026-09-15reviews46rating5.00released 1.7.3released 1.8.2
  10. 2026-09-16reviews46rating5.00
  11. 2026-09-17reviews46rating5.00
Users
+96 since 31.08
214-310 · 11 readings
2026-09-03: released 1.6.72026-09-11: released 1.6.102026-09-12: released 1.6.112026-09-15: released 1.7.32026-09-15: released 1.8.2
  1. 2026-08-31214
  2. 2026-09-02224
  3. 2026-09-04251
  4. 2026-09-06258
  5. 2026-09-07274
  6. 2026-09-08272
  7. 2026-09-10276
  8. 2026-09-13288
  9. 2026-09-15294released 1.7.3released 1.8.2
  10. 2026-09-16310
  11. 2026-09-17310
Rating
unchanged since 31.08
reviewsrating 5.00 · 11 readings
2026-09-03: released 1.6.72026-09-11: released 1.6.102026-09-12: released 1.6.112026-09-15: released 1.7.32026-09-15: released 1.8.2
  1. 2026-08-31reviews47rating5.00
  2. 2026-09-02reviews47rating5.00
  3. 2026-09-04reviews47rating5.00
  4. 2026-09-06reviews47rating5.00
  5. 2026-09-07reviews47rating5.00
  6. 2026-09-08reviews47rating5.00
  7. 2026-09-10reviews47rating5.00
  8. 2026-09-13reviews46rating5.00
  9. 2026-09-15reviews46rating5.00released 1.7.3released 1.8.2
  10. 2026-09-16reviews46rating5.00
  11. 2026-09-17reviews46rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 1 match pattern.

  • https://web.whatsapp.com/*
  • Sign you in with a Google account identity
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.8.2
  2. Version 1.7.3
  3. Version 1.6.11
Show the remaining 2
  1. Version 1.6.10
  2. Version 1.6.7

What changed recently

  1. Package size changed
  2. Released version 1.8.2 (was 1.7.3)
  3. Package size changed
Show the remaining 7
  1. Released version 1.7.3 (was 1.6.11)
  2. Package size changed
  3. Released version 1.6.11 (was 1.6.10)
  4. Package size changed
  5. Released version 1.6.10 (was 1.6.7)
  6. Package size changed
  7. Released version 1.6.7 (was 1.6.6)

The publisher

Mastros.Online publishes 5 listings we track, 2k users between them. Listed website: mastros.online.

  1. Telegram Scraper & Chat Export: Members, Media, Video Downloader by Mastros Mastros.Online · Productivity · Tools · published 2026-03-25 1k users ★ 4.9
  2. LinkedIn Scraper: Export Profiles, Jobs, Posts & Sales Navigator to Excel Mastros.Online · Productivity · Tools · published 2026-07-28 245 users ★ 5.0
  3. Instagram Scraper: Email Finder, Engagement Rate, Follower Export Mastros Mastros.Online · Productivity · Tools · published 2026-08-27 82 users ★ 5.0
Show 1 more from this publisher
  1. TikTok Scraper: Export Comments, Creators & Videos to CSV - Mastros Mastros.Online · Productivity · Tools · published 2026-09-02 18 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. WhatsApp Batch Chat Backup & Contact Exporter - SaveMyChat Describes nearly the same job, smaller audience 864 users ★ 5.0
  2. WAexport: Export WA Chats and Contacts Describes nearly the same job, with an established audience 20k users ★ 4.5
  3. Free WA Contact Exporter – WhatsApp Group to Excel/CSV | BotMaster Describes nearly the same job, smaller audience 12 users ★ 5.0
  4. WhatSave Describes nearly the same job, smaller audience 192 users ★ 5.0
  5. WA Export — Contacts / Groups / Chat to CSV·vCard·JSON·HTML Describes nearly the same job, smaller audience 44 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.