Insight Social is a free Chrome extension and web dashboard that scrapes public data from nine social media platforms including Instagram, TikTok, Facebook, LinkedIn, X, Threads, YouTube, Reddit, and Pinterest. It allows users to extract posts, profiles, comments, and bio-link emails to Excel or other formats without coding or API keys, with data processed locally in the browser for privacy.
IN THE FIELD GUIDE
Mastros
mastros.online
Mastros offers privacy-first Chrome extensions that export data from WhatsApp, Telegram, LinkedIn, Instagram, and TikTok into CSV, XLSX, JSON, or JSONL formats. The extensions scrape visible data such as contacts, messages, group members, and media from these platforms and save it locally on the user's computer without sending data externally.
THE PRODUCT, BEYOND THE PITCH
Automatically researched · Not editorially reviewed · Sources checked Oct 9, 2026
A good fit for
Not confirmed yet.
Know the limitations
- Can only export data that is already loaded and visible in the web client; cannot access hidden phone numbers or chats without permission.
- The extensions are read-only and do not send messages, add contacts, or automate actions on the platforms.
What you can do
- Backing up WhatsApp chats, contacts, and media for offline use or analysis.
Features
- Export LinkedIn and Sales Navigator searches including profiles, companies, jobs, and posts as clean files.
- Export Instagram followers, comments, posts, stories with bio emails, websites, engagement rates, and bulk media download.
- Export TikTok creator data including exact engagement rates, bio emails, websites, creator, video and comment exports, and bulk video download.
Integrations
Not confirmed yet.
Platforms & data export
Not confirmed yet.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Cheapest fit for 1 person, all 1 tools
$9.00/month
$108.00 a year on these plans.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
ProCheapest fit Flat subscription | $9.00 | $108.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
A practical workflow
- Install the extension from the Chrome Web Store; it works in any Chrome-like browser.
- Open WhatsApp, Telegram, LinkedIn, Instagram, or TikTok web client; the Mastros panel appears automatically.
- Select the data to save such as group members, messages, contacts, files, or followers with bio emails and engagement rates.
- Monitor the scraping progress and check the fields before saving the exported file locally.
- Save the exported data as a clean CSV, JSON, JSONL file, or ZIP archive on Telegram.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
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