Mastros Telegram Scraper

Privacy-first Chrome extensions to export social data to CSV, XLSX or JSON

Freemium - Free Web Mode and free Chrome extensions available. Site indicates free exports; paid/upgrade plans (if any) are not detailed on the provided content.

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About Mastros Telegram Scraper

Mastros provides privacy-first Chrome extensions that export the data you can already see in WhatsApp, Telegram, LinkedIn, Instagram and TikTok into CSV, XLSX, JSON or JSONL (ZIP for media). Extensions run in your browser so exports stay on your computer. Key capabilities include group members scraping, exporting messages from the current chat, scraping recent contacts, and bulk media downloads. Outputs are ready for Excel or Google Sheets. The site shows 2,100+ weekly active users and high user ratings on the Chrome Web Store.

Key Features

Export WhatsApp, Telegram, LinkedIn, Instagram and TikTok data to CSV, XLSX, JSON or JSONL
Privacy-first local exports — runs in-browser, data stays on your computer
Group members scraper, chat message export, recent contacts export and bulk media downloads
Formats ready for Excel/Google Sheets; media packaged as ZIP
No chat needs to be open for certain scrapers; reads chat list and exports visible data

Who is this for?

Marketers, researchers, analysts and power users who need to export social conversations, contacts and media for analysis or reporting.

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Freemium

Free Web Mode and free Chrome extensions available. Site indicates free exports; paid/upgrade plans (if any) are not detailed on the provided content.