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Mastros
Export Telegram Web chats, members, and media
Mastros is a Chrome extension for exporting Telegram Web data into structured files. Export messages, group members, contacts, mutual groups, and media from conversations you can already access. Download clean CSV, JSON, JSONL, and ZIP files for research, archiving, community management, analysis, and personal data organization.
Hey Product Hunt,
I built Mastros because Telegram often becomes a place where important information gets trapped.
Communities, channels, support chats, research groups, media, contacts, and long conversations can all contain useful data, but working with that data outside Telegram is still awkward.
The usual workaround is messy:
• copy and paste messages manually
• take screenshots
• use Telegram Desktop exports when available
• run scripts or API tools
• save media one file at a time
• lose context across groups and conversations
Mastros is a Chrome extension that runs inside Telegram Web and turns data you can already access into structured files.
Current features:
• export chat messages
• export group members
• export contacts
• find mutual groups
• download media from conversations
• export CSV, JSON, JSONL, and ZIP files
• browser-based web mode
• optional power mode for larger exports
The product is built around a simple idea: if you can access useful Telegram data in the browser, you should be able to organize, archive, and analyze it without painful manual work.
I am trying to keep the positioning clear and responsible. This is not meant to be a spam tool. It is for researchers, community managers, analysts, operators, and people who need to archive or structure Telegram data they already have access to.
I would love feedback on it
About Mastros on Product Hunt
“Export Telegram Web chats, members, and media”
Mastros was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #122 on the daily leaderboard. Mastros is a Chrome extension for exporting Telegram Web data into structured files. Export messages, group members, contacts, mutual groups, and media from conversations you can already access. Download clean CSV, JSON, JSONL, and ZIP files for research, archiving, community management, analysis, and personal data organization.
On the analytics side, Mastros competes within Telegram, Chrome Extensions, Productivity and Data & Analytics — topics that collectively have 717.5k followers on Product Hunt. The dashboard above tracks how Mastros performed against the three products that launched closest to it on the same day.
Who hunted Mastros?
Mastros was hunted by Mastro. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Mastros including community comment highlights and product details, visit the product overview.
Mastro