Alternatives to Mastros
50 alternatives to Mastros in Browser Extensions & Plugins. Ones the founder approved come first; the rest are listings in the same category.
Web4 Browser
AI antidetect browser and multi-account workspace with true-to-device browser identity
- Same category
- Hong Kong
Browsely
Your online productivity multiplier
- Same category
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Legibilize
Read articles without ads and convert text to audio
- Same category
Alias Browser™
Multi-profile workspace browser with fully isolated profiles, per-profile fingerprints, network routing, and zero telemetry.
- Same category
Apparent for Gmail
A Chrome extension that makes Gmail easier to read and manage
- Same category
Arixify
Your Prompt Manager for AI
- Same category
Fontsight
Point at any text to see the typeface that actually rendered, who made it, and the CSS to use it.
- Same category
Nook
A Chrome extension that helps you stay focused, keep your place, and finish reading articles
- Same category
InTab
15 browser extensions replaced by one all-in-one AI assistant
- Same category
ChatSweep
Chrome extension to select, delete and archive ChatGPT conversations in bulk
- Same category
SlideSieve
Auto-capture slides from course videos into clean PDFs with synced transcripts
- Same category
LinkMartin
AI bookmark manager that saves pages, writes descriptions and tags, and shows your bookmarks in Google search results
- Same category
- United States
Tab Lifeboat
Automatic tab backups stored outside your browser
- Same category
- Slovakia
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DualTrans
Immersive bilingual web translation and YouTube dual subtitles powered by DeepSeek, Claude, and Gemini
- Same category
AutoDub
AI browser extension that translates and dubs YouTube videos into your language with bilingual subtitles
- Same category
Parampt
AI prompt manager with Chrome extension for saving and reusing prompts across ChatGPT, Claude, Gemini, and Perplexity
- Same category
StreamPulse
Browser extension for automated Twitch, Kick and YouTube notifications, channel points and drops
- Same category
OpenTabs
Your open tabs, grouped, on every new tab
- Same category
Stationz
An AI radio DJ for your YouTube playlists
- Same category
- Israel
Multify
Free AI browser extension for Chrome and Firefox
- Same category
- United States
Claude Monitor
Free browser extension that tracks Claude usage limits live in your toolbar
- Same category
- Startup
Index
Keep work, personal life, and every project in its own space. Switch between them without closing tabs or losing your place.
- Same category
LLMnesia
Search your AI chat history across ChatGPT, Claude, Gemini and more, locally and privately
- Same category
- Startup
PortifyLead
Save LinkedIn contacts straight to your CRM without manual copy-paste work
- Same category
SkipCut
Browser-based YouTube ad blocker with background play, no installation required
- Same category
- Startup
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Crumbongo
Browse. Harvest. Play.
- Same category
-
SumSpot
Summarize any article automatically in Safari
- Same category
- United States
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AI Exporter
Browser extension to export AI chat conversations to PDF, Markdown, Word, and other formats
- Same category
SocialFo
A browser extension that lets users export follower and following lists from social media accounts to CSV files with local data processing.
- Same category
Broken Link Checker
Free Chrome extension that detects broken links, 404 errors, and redirects on any webpage
- Same category
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AnkiMate
Turn web pages into Anki flashcards with on-device AI in one click
- Same category
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AdQue
Check whether any business is running ads on Meta, Google, and TikTok—all at once, from any website
- Same category
CoursifyYT
Turn any YouTube channel into a structured course with AI-powered study tools
- Same category
- India
Credibility Analyzer
AI fact-check with a 1–10 score, claim-by-claim findings, and sources across browsers and apps
- Same category
Smart Blur
Blur personal data before you share your screen
- Same category
StackTools
Private browser tools for everyday work
- Same category
PI Labs
Small browser tools that stay out of the way
- Same category
Artifactor
AI drafts it. You finish it.
- Same category
Google Goto URL Fix
Fix Google /goto URLs and replace search-result links with real destination URLs
- Same category
SurfPal
Website blocker and time tracker for Chrome and Edge browsers
- Same category
Barrava
The website toolbar that turns visitors into customers
- Same category
- United Kingdom
Tab Folio
Close tabs without losing the thread
- Same category
- France
Blens
Browser extension that tracks browsing habits and provides productivity insights with privacy-first approach
- Same category
HighlightGPT
A browser extension that lets you ask, explain, translate, and memorize from highlights using ChatGPT's native responses
- Same category
Side Copilot
Browse less. Get more done.
- Same category
interTabs
AI Tab Manager that intelligently remembers, organizes, and suggests tabs
- Same category
- Startup
ADA SafeCheck
Find ADA accessibility barriers before they find you.
- Same category
source-lm
Chrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages
- Same category
- Spain
LinkJuice
AI-assisted backlink submission and monitoring in Chrome
- Same category
Tabisto
Visual bookmark manager for Chrome with workspaces, sessions, notes and reminders on your new tab
- Same category
- Growing