Blackmount — Tab Saver & Session Manager Firefox

Blackmount — Tab Saver & Session Manager

By: Blackmount.ai Inc Add-on
Save all your tabs in one click. Restore sessions anytime. Sync across devices. Voice notes, offline-first, smart deduplication. The fastest tab manager for Firefox. Free.

Overview

Firefox Add-ons Store
Daily users
1
Data as of 2026-07-26
Version:
2.1.8
Last updated: 2026-04-24
Download
Ranking
#123,242 ▲ 1,436
Overall
Top keyword rank
#184
session

Features & Capabilities

Blackmount — Tab Saver & Session Manager

Save all tabs in one click. Restore sessions anytime. Sync across devices. Voice notes, smart dedup, offline-first. Free.

🏆 THE FASTEST TAB MANAGER & SESSION MANAGER FOR CHROME

Save your entire browser session in ONE CLICK. Restore it anytime — on any device. Never lose tabs again.

★ Better than OneTab — Blackmount saves entire sessions with context, not just a list of URLs ★ Better than Session Buddy — cloud sync across devices, voice notes, offline-first ★ Better than Tab Manager Plus — faster, cleaner, with smart deduplication

━━━━━━━━━━━━━━━━━━━━━━

⚡ SAVE & RESTORE TABS INSTANTLY

• One click to save ALL open tabs (saves 100 tabs in under 1 second) • Smart auto-naming so sessions are easy to find • Restore to a new window or your current one • Search across every tab you've ever saved

🗂️ ORGANIZE YOUR TAB GROUPS

• Group sessions into Projects (research, work, personal) • Add VOICE NOTES for context — "why did I save these tabs?" • Tag, filter, and search hundreds of saved sessions • Works offline — syncs automatically when you're back online

💡 PERFECT FOR:

• Researchers with 40+ tabs open • Developers switching between codebases • Students organizing coursework • Marketers tracking campaigns and competitors • Tab hoarders afraid to close Chrome • Anyone who's lost work to a browser crash

✨ WHY CHOOSE BLACKMOUNT OVER OTHER TAB MANAGERS?

• 🚀 SPEED: Saves 50-100 tabs in under a second • 🔄 SYNC: Cloud sync across all your devices (laptop → desktop → phone) • 🎙️ VOICE: Add voice memos to sessions (unique — no other tab manager does this) • 📴 OFFLINE: Fully usable without internet, syncs when online • 🧹 SMART: Automatic deduplication — no repeated tabs • 🔒 PRIVATE: Encrypted, no tracking, no data selling • 🛡️ MODERN: Built on Manifest V3 — future-proof and secure

━━━━━━━━━━━━━━━━━━━━━━

🔒 PRIVACY & SECURITY

• No advertising-based tracking • Your browsing data is NEVER sold • Encrypted in transit and at rest • Clear, transparent privacy policy

🚀 START IN 30 SECONDS

  1. Install Blackmount
  2. Click the icon to save your tabs
  3. Done. Your session is saved forever.
Free tier available. Pro unlocks unlimited sessions and faster sync.

━━━━━━━━━━━━━━━━━━━━━━

Version 2.1.2 — What's New

New • More reliable cloud sync with improved deduplication • Guest Mode — save sessions without signing in • Offline-first storage with automatic background sync

Improvements • Faster loading and search • Smoother cross-device syncing • Better handling of large session libraries

Fixes • Improved session tab count accuracy • Enhanced error handling and recovery

User Growth & Download Statistics

Manifest V3 Add-on
By:
Blackmount.ai Inc
Daily users:
1
Version:
2.1.8 Last updated: 2026-04-24
Version code:
6233439
Creation date:
2025-10-11
Risk:
Very high risk impact Moderate risk likelihood
Permissions:
Host permissions:
  • https://app.blackmount.ai/*
  • https://chatgpt.com/*
  • https://chat.openai.com/*
  • https://claude.ai/*
  • https://gemini.google.com/*
  • https://grok.com/*
  • https://www.meta.ai/*
  • https://chat.deepseek.com/*
  • https://www.perplexity.ai/*
Size:
320.80KB
Email:
su*****@blackmount.ai
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-07-26
Compare stats and ranking:

Ranking

# 123,242 ▲ 1,436
Other rankings
#184 in session keyword 49

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Blackmount.ai Inc
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/blackmount/
Email:
su*****@blackmount.ai
Website:
https://app.blackmount.ai

Permission Change History

2026-04-20: Version 2.1.2 → 2.1.7
Add Host permissions: https://chatgpt.com/* https://chat.openai.com/* https://claude.ai/* https://gemini.google.com/* https://grok.com/* https://www.meta.ai/* https://chat.deepseek.com/* https://www.perplexity.ai/*
Add Optional host permissions: <all_urls>
Add Permissions: alarms scripting
Add Optional permissions: nativeMessaging
2026-01-01: Version 1.0.5 → 2.1.0
Add Permissions: identity contextMenus

Is Blackmount — Tab Saver & Session Manager Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Blackmount — Tab Saver & Session Manager requires a lot of sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
  • Critical ******* ****** ** *** ********* ******** ************** ************ *********** ********** *********** ********* ******** ************* *************
  • Medium ******* ******* ************* ***** *** ** ******* *** **** ******* ****** ******** *******
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Blackmount — Tab Saver & Session Manager is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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