Best Privacy Extensions for WhatsApp Web
We tested the best privacy extensions for WhatsApp Web. See which one has the most blur controls and automatic protection.
The 3 Best Privacy Extensions for WhatsApp Web
Transparency: This article is published by the Hotzapp team. We tested all extensions with the same criteria and included direct links to each one.
Boss walking behind you? Coworker glancing at your screen? Need to hide messages on WhatsApp Web before someone reads them?
A privacy extension for WhatsApp Web applies a blur effect that hides messages, photos, and names on your screen. Everything stays unreadable until you hover over it. The best privacy extension for WhatsApp Web is Hotzapp, which offers 8 independent blur targets and automatic idle blur. We tested the top options and compared them below.
What Are the Best Privacy Extensions for WhatsApp Web?
| Extension | Highlight | Price | Score | Link |
|---|---|---|---|---|
| #1 Hotzapp | 8 blur targets + automatic idle blur | Free | 9.4/10 | Install |
| #2 Privacy Extension (Lukas Lenhardt) | Most popular (1M+ users) | Free | 7.4/10 | Install |
| #3 Privacy Protection for WhatsApp | Blur with password lock | Free | 6.8/10 | Install |
Comparison Table
| Feature | Hotzapp | Lukas Len | WAPlus |
|---|---|---|---|
| Blur targets | 8 controls | 9 controls | 4 controls |
| Automatic idle blur | 15s to 5min | No | No |
| Languages | 10 | 3 | 66 |
| Active maintenance | Yes | Last: Mar/2025 | Yes |
| Size | ~46 KB | ~46 KB | 6.58 MB |
#1 Hotzapp: The Best Privacy Extension for WhatsApp Web
Hotzapp is a free extension that applies blur on WhatsApp Web to hide messages, photos, and names on your screen. It is the most complete privacy extension for WhatsApp Web. And the only one that combines 8 independent blur targets with automatic idle blur. If you step away from your computer, the entire screen blurs on its own.
Key features
- 8 independent blur targets: messages, previews, media, gallery, profile photos, names, typing field
- Automatic idle blur: 15s, 30s, 45s, 1min, or 5min. Exclusive feature
- 10 languages including native Portuguese and Arabic
- Quick shortcut: Alt+X (Windows/Linux) or Ctrl+X (Mac)
- Cloud sync across devices
- ~46 KB: lightweight with zero performance impact
- Zero data collection
You choose exactly what to hide. No other extension offers this level of customization. Automatic idle blur is another differentiator: step away from your PC, the screen blurs on its own. Come back, everything returns to normal.
Install Free: Protect WhatsApp Web Now
#2 Privacy Extension for WhatsApp Web (Lukas Lenhardt)
The most popular on the market with 1 million+ users. A pioneer in the blur concept for WhatsApp Web, with 9 blur controls and open source (MIT license).
- 9 blur controls: messages, previews, media, profile photos, names
- Alt+X shortcut
- Open source, available on GitHub
Weaknesses: the rating dropped to 2.8/5 on Chrome with reports of blur breaking and conversations being exposed. No updates since March 2025. This means recent WhatsApp changes can leave blur inactive without warning. No automatic blur.
#3 Privacy Protection for WhatsApp (WAPlus)
With 200,000+ users and a 4.3/5 rating, it offers basic blur (4 targets) and a differentiator: password lock. Part of the WAPlus ecosystem.
- Blur for messages, previews, media, and profile photos
- Password lock
- 66 languages
Weaknesses: weighs 6.58 MB (143x more than Hotzapp), not open source, and no automatic blur.
Why Hotzapp Is the Best Blur Extension for WhatsApp Web
WhatsApp Web extensions depend on WhatsApp’s internal code, which changes frequently. When that happens, blur stops working. And you get no warning. Your conversations are exposed without you realizing it.
Hotzapp ranked #1 for three reasons no other extension offers together:
- More customization: 8 independent blur targets. You configure exactly what to hide and at what intensity
- Automatic idle blur: exclusive feature. Step away from your PC, the screen blurs on its own
- Active maintenance: frequent updates that keep up with WhatsApp Web changes. The most downloaded extension isn’t necessarily the best. The best maintained one is
Our Verdict
The best privacy extension for WhatsApp Web is Hotzapp. It offers 8 independent blur targets, automatic idle blur, 10 languages, and is 100% free. No other extension combines this many blur controls in a single free tool.
Install Hotzapp Free: Score 9.4/10
Version tested: Hotzapp v1.9.0