Firefox Engine Optimization
Built on a Firefox-based engine with strong compatibility and reliable performance for professional browsing scenarios.
Firefox-based browser
CosLogin Browser Profile Manager
Create and manage browser profiles with customizable settings for efficient online workflows.
Native Browsing
Natural browsing behavior
Profile Isolation
Keep accounts completely separated
Multi-Account
Manage accounts at scale
Why choose CosLogin?
Built for Efficiency and Stability
Manage multiple browsing environments with powerful tools designed for professional workflows.
Independent Browser Profiles
Each profile runs independently with separated cookies, cache, local storage, and browsing data for better organization and privacy.
Browser Fingerprint Management
Customize browser parameters and environment settings to create consistent browsing profiles.
Multi-Account Organization
Manage multiple accounts efficiently with dedicated profiles and flexible configuration options.
Automation & API Support
Supports Selenium, Playwright, Puppeteer, and API integrations for advanced automation workflows.
Team Workspaces & Access Control
Manage team members, permissions, shared environments, and workflows from a centralized workspace.
What is CosLogin?
A Browser Solution Built for Multi-Account Workflows
CosLogin is a Firefox-based browser management solution that helps users create separate browsing profiles with customizable settings, proxy support, and organized account management.
Create and manage multiple browser profiles with customized configurations.
Supports HTTP, HTTPS, and SOCKS5 proxies, allowing each account to operate in an independent network environment.
Compatible with Selenium, Playwright, Puppeteer, and Open APIs for automation, bulk operations, and workflow integration.
Industries & Use Cases
Powering Workflows Across Industries
Ecommerce
Manage multiple stores across Amazon, eBay, Shopee, Lazada, Etsy, and other e-commerce platforms.
Social Media Marketing
Operate and manage account portfolios across Facebook, TikTok, Instagram, X, and other social platforms.
Affiliate Marketing
Support affiliate campaigns, content operations, and marketing workflows with flexible browser management.
Advertising
Support advertising workflows across major platforms
Market Research
Support market analysis, competitor research, and business insights across different industries.
Data Collection & Automation
Combine browser automation and APIs for research, data management, and workflow optimization.
Retail Price Monitoring
Monitor competitor pricing, conduct market research, and track retail markets across regions.
Brand Protection & Monitoring
Monitor website content, advertisements, and brand visibility across different markets and locations.
Media & Content Analysis
Support media review, content analysis, and information management with flexible browsing environments.
Pricing
Plans for Every Stage of Growth
Flexible plans for individuals, professionals, and scaling teams.
Free
Entry-level access for evaluation and basic use cases.
$0/ month
Profiles10
Members1
Daily Opens50
- Firefox-Based Engine
- Fingerprinting for Multiple Systems
- Bulk Proxy Configuration
- Login via Credentials / Cookies
- Team Collaboration & Role Permissions
- Bulk Bookmark Import & Management
- Human-like Input Simulation
- Geolocation Control
- Local API
- Online Customer Support
Base
Production-ready multi-account operations.
$19/ month
Members1
Daily Opens50
- All Free features included
- More browser profiles
- More team members
- Bulk profile creation
- Bulk cookie import/export
- Unlimited profile sharing/transfer
- Restore deleted profiles
- Firefox & local extensions support
- Cross-device sync
- Priority support
Custom
Collaborative workflows with scalable team management.
Custom
- Customize the Profiles
- Customize the team
FAQ
Frequently Asked Questions
Yes. CosLogin is based on the Firefox engine, maintaining Firefox compatibility and browsing experience while adding browser isolation and multi-account management capabilities.
Yes. You can explore CosLogin's core features for free to determine whether it fits your workflow and business needs.
Yes. Each browser profile can be configured independently with HTTP, HTTPS, or SOCKS5 proxies.
Yes. Team workspaces support member management, permission control, environment sharing, and collaborative workflows.
Pro and Team plans include cloud synchronization, allowing browser environments and settings to be synced across trusted devices.
CosLogin allows you to create and manage multiple isolated browser environments on a single device. Each environment has its own data, settings, and proxy configuration.
Partners
Trusted Ecosystem Partners
Working with trusted partners worldwide to build an open ecosystem.
Contact
Start Managing Multiple Accounts More Efficiently
Contact the CosLogin team to learn more about features, partnership opportunities, and enterprise solutions.
Email Support
For product inquiries, feedback, and business partnerships, please contact us via email.
support@coslogin.comTelegram
Contact us via Telegram or scan the QR code below.
https://t.me/CosLoginBrowser
Contact our support team via WeChat or scan the QR code below.
coslogin