--- title: Mastros Reviews meta_title: 'Mastros Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how Mastros works for a business like yours. date_modified: '2026-09-22' parent_category: name: IT Management url: https://www.g2.com/categories/it-management ---

Mastros Reviews & Product Details

Mastros makes purpose-built Chrome extensions that export the data you already have access to on WhatsApp Web and Telegram Web — group members, messages, contacts, and media — into clean CSV, JSON, or JSONL files. All processing runs locally in the browser and nothing is uploaded to Mastros servers. The extensions are designed for lawful research, analysis, community management, record keeping, and CRM migration. A free tier is available with no signup. Not affiliated with WhatsApp, Telegram, or Meta.

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Data Extraction

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