The sidebar narrates your life
Names and last-message previews for every conversation sit in one column. Anyone glancing at your screen reads twenty relationships at once without touching your keyboard.
WhatsApp Web + Blurr.ing
WhatsApp in a browser tab is convenient right up until someone else can see your screen. Blurr.ing frosts the chats, names and media you choose, in the page itself, so a screen share, a recording, or a colleague at your shoulder reads nothing you did not intend.
Updated August 2026
Quick answer
Open WhatsApp Web, press Ctrl + Shift + Y (Cmd + Shift + Y on Mac), and click the chats you want hidden: each click frosts that conversation. Auto Blur can frost every photo, sticker and thumbnail on the site, Blur Text hides a specific name or number wherever it appears, and Tab Privacy masks the tab title so the strip stops saying WhatsApp. Manual blurs are free and unlimited; on the free plan a refresh clears them, while Premium puts them back before the page first paints.
The risk
The desktop layout is built for you alone: chat list on the left, conversation on the right, media everywhere. In an office, on a projector, in a screen share, or in a screenshot, that same generosity becomes the leak.
Names and last-message previews for every conversation sit in one column. Anyone glancing at your screen reads twenty relationships at once without touching your keyboard.
Photos, stickers and video thumbnails render the moment a chat opens, and the gallery pane keeps the history one click away. One wrong chat on a projector and the room has seen the picture.
The tab is titled WhatsApp, with your unread count in brackets, under a green favicon everyone recognises at sixteen pixels. The strip says you are chatting before the page is even visible.
Pick the right tool
Both genuinely exist, and they solve different problems. Here is the split, stated plainly, so you install the right one the first time.
The free Privacy Extension For WhatsApp Web, used by around 200,000 people, is built for exactly that.
Free, WhatsApp-only, and built around stepping away: six blur toggles covering names, message previews, messages, media, profile pictures and the input field, revealed on hover.
A password screen lock, and an inactivity timer that blurs the page on its own after a stretch with no mouse or keyboard. If an unattended WhatsApp tab is your whole problem, this fits it well.
The toggles are all-or-nothing categories: every name, every preview, every photo. There is no way to frost just one conversation and leave the rest readable.
It ends at web.whatsapp.com. The same names and numbers sitting in Gmail, Slack, or your CRM in the next tab are on their own.
Blurr.ing is the general tool: the blurring you set up here works the same on Gmail, Slack and every dashboard you might share.
Blurs any site, WhatsApp Web included. The extension you set up for chats is the same one covering Gmail, Slack, dashboards and everything else you might share.
Precision instead of categories: click exactly the chats you want frosted, select a single message, or hold Alt and scroll to grow one click from a row to the whole sidebar.
Blur Text follows a name or number everywhere it appears, in the chat list, the header, the messages, and on every other site, from one keyword rule.
No inactivity trigger and no PIN. Blurr.ing blurs what you tell it to blur; it does not lock the screen when you walk away, and this page will not pretend it does.
How Blurr.ing helps
WhatsApp Web is an ordinary web page underneath, which is precisely why a page-level blur tool gets surgical with it.
Element mode outlines the exact chat row before you commit. Click and that conversation is frosted in the sidebar; hold Alt and scroll to grow the selection to the whole chat list.
Drag across a single message and only that run of text frosts, with the layout untouched. Right for the one sensitive line in an otherwise shareable conversation.
One Premium switch frosts every image and video on the site, incoming photos, stickers, gallery thumbnails, profile pictures, on this page, this site, or everywhere you browse.
Add a contact’s name or number to Blur Text and it is frosted in the chat list, the conversation header and the messages, and in Gmail and Slack too. 34 presets cover phones, emails and more.
Tab Privacy masks the tab title and hides the favicon, so the strip above your screen stops announcing the chat. Three activations free, then Premium, with seventeen disguise styles.
The blurs are painted into the page, so they hold in a Zoom share, a recording, a screenshot, or a glance across the desk, with nothing extra to configure per app.
Step by step
The first two steps are free and cover most situations; the rest make it automatic.
Go to web.whatsapp.com and press Ctrl + Shift + Y (Cmd + Shift + Y on Mac), or click the Blurr.ing icon, to bring up the on-page toolbar.
Pick element mode and click a chat row to frost that conversation. Hold Alt and scroll to grow the selection from one row to the whole sidebar. Every manual blur is free and unlimited.
Turn on the images category for this site and every photo, sticker and thumbnail arrives frosted, including media that loads later. Auto Blur is a Premium feature; free includes one saved rule.
Put specific contacts’ names and numbers into Blur Text and they are redacted wherever they appear, on WhatsApp and on every other site where they surface.
Flip on Tab Privacy so the tab stops being titled WhatsApp with an unread count. Your first three activations are free, and turning it off is always free.
On the free plan, no: a free blur lasts while you stay on the page, and since WhatsApp Web is a single-page app, that includes switching between conversations all day; what clears it is a refresh, closing the tab, or opening a second one. With Premium, saved blurs are restored before the page first paints, which matters more on WhatsApp than almost anywhere else: a chat list is exactly the content you do not want flashing readable for even one frame while a call is already being shared. Reload mid-meeting and the sidebar comes back frosted, not briefly naked.
Not by itself, and not with Blurr.ing either: Blurr.ing has no inactivity timer and no PIN lock. If a self-hiding WhatsApp is the feature you are after, the dedicated free tool above does it properly, with an idle timer and a password. Worth saying, though: for actually leaving your desk, the honest answer is the operating system, not a browser extension. Win+L on Windows or Ctrl+Cmd+Q on a Mac locks everything, including the notifications no extension can reach. Blurr.ing’s job starts when the screen is deliberately visible: the demo, the screen share, the recording, the open-plan office, where the blur has to hold while you keep working.
Keep exploring
What you set up for WhatsApp Web carries straight over to the rest of your browser.
FAQ
One click to add it, one gesture to hide anything on any page.