PurpleMark guides for browser profile isolation, proxies, multi-account operations, and team collaboration.
Do newly registered Facebook accounts keep getting restricted or even disabled? This guide explains how to prepare your environment and profile, then follows a four-step rhythm—build a normal user profile, increase interactions, develop social connections, and only then begin operations—plus environment-management advice for multiple accounts.
Email is one of the main channels for international trade communication, and choosing the wrong service can hurt deliverability and customer trust. This guide compares common email options for exporters from the perspectives of deliverability, security, international recognition, and business stage.
Want to use WhatsApp on your computer to communicate with customers but are not sure how to log in? This guide explains the login process for WhatsApp Web and the desktop app, compares the two, and covers common troubleshooting steps when WhatsApp Web will not log in.
Prefer not to install the Telegram client? The web version can be more convenient. This guide covers the Telegram Web entry point, the differences between Web A and Web K, login and logout steps, how the web version compares with the desktop app, and ways to sign in to multiple Telegram accounts in a browser.
Canvas fingerprinting is one of the most common browser fingerprinting techniques. Websites use it to identify devices and track users. This guide explains how Canvas fingerprints work, how they differ from other fingerprints, how to detect them, and how ordinary users can protect their privacy.
Facebook does not offer direct video downloads, but there are legitimate reasons to save videos for offline viewing or content analysis. This guide covers practical methods for computers and phones and highlights copyright boundaries.
How do you warm up a new Reddit account without getting posts removed? This guide covers environment setup before registration, staged engagement from days 1–30, Karma building, soft product promotion after 30 days, and account separation for more stable Reddit marketing.
Can’t receive the verification code when registering LINE in mainland China? This guide covers phone number requirements, number formatting and network preparation, then walks you through downloading the app, verification and account creation on mobile, plus desktop login and multi-account management.
New to Threads for overseas text-based social media? This guide explains what Threads is and what it can do, walks you through downloading and signing in, and covers the web version plus environment isolation for managing multiple accounts.
Not sure which email service to use for work, cross-border business, or everyday registrations? This guide compares seven mainstream options—Outlook, Gmail, Yahoo, QQ Mail, iCloud, Proton Mail, and Zoho Mail—across storage, security, privacy, and availability in China to help you choose the right one.
Telegram does not include a Chinese interface by default, so you need to apply a Chinese language pack manually. This guide explains the complete Telegram localization steps for desktop and mobile, with Simplified and Traditional Chinese language-pack links and common questions.
Want to watch YouTube videos offline or save subtitles but not sure which tool to use? This guide covers 6 download methods that still work in 2026, including browser extensions, online download sites, desktop software, and command-line tools, with tips on choosing the right option for different situations.
