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BlurFirst
Privacy for screen sharing

Blur it beforeyou share it.

One click hides the salary column, the API key, the client name — right in the page, so your Zoom, Meet or Loom capture only ever sees the blur.

$5/month · cancel anytime · 5-day free trial on annual

Acme Inc · Q3 board review

Net revenue · Q3

$4.82M

+18.4%

Payroll

Dana Ruizdana@acme.com$184,500
Lee Parklee@acme.com$152,000

Top account (NDA)

Northwind Trading

Prod API key

sk_live_9c2A8xR1bQ7v

M

Maya · direct message

are we still letting 3 people go on Friday?

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Try it — pick a tool below, then click a field or drag a box.

Works in
  • Chrome
  • Edge
  • Brave
  • Vivaldi
  • Opera
  • Firefoxsoon
  • Safarisoon
The problem

You meant to share one tab. They saw everything else.

You share your screen to walk through a chart. In the same window sits a payroll tab, an API key in your terminal, a client you’re under NDA with — and the Slack DM that lands mid-call. By the time you notice, the room has already seen it.

Tidying tabs and closing windows beforehand is the usual fix, and it fails the moment something new appears. BlurFirst lets you hide the sensitive part and keep working in your real layout — and blur anything else the instant it shows up.

How it works

Three gestures. That’s the whole product.

No modes to learn, no fields to configure. The demo above is the real thing — these are the gestures it uses.

01Drag

Box

Drag a rectangle over anything — a chart, a region, a paragraph. It frosts over and stays locked to that content as you scroll.

02Click

Element

Hover to highlight, click to blur a single element — a cell, a header, a card. Click it again to bring it back.

03⌘⇧H

Panic

One shortcut blurs the whole page — for the moment a DM slides in while you’re already sharing.

New · Automatic

Now it finds the sensitive parts for you.

One click on Scan and BlurFirst sweeps the page for the things you’d never want on a call — and blurs them instantly. No hunting field by field.

EmailsPhone numbersCredit cardsSSNsAPI keys & tokensJWTsPrivate keys

Smart, and still private. Detection runs entirely in your browser — the page is matched locally and nothing is uploaded, not even to find it. That’s something cloud-based scanners can’t promise.

Why BlurFirst

Built for the share you’re about to start.

Zero config

Install and blur. Nothing to set up.

Both gestures

Box for regions, element for precise fields.

Per-site profiles

Blur a dashboard once; it re-applies.

100% local

Rendered in the page. Nothing is uploaded.

Compared with the usual workaroundsBlurFirstShare one windowClose everything first
Hide one field, not the whole window
Keep your normal layout
Blur new content the instant it appears
Nothing leaves your machine

A fair comparison of common methods, not specific products. The workarounds work — they just cost you your layout or miss what pops up next.

Use cases

Built for anyone who shares a screen.

Pick the call where one stray tab, a client’s name, or a single secret would hurt most — blur that first. From there it’s second nature.

See all use cases
Privacy

The blur stays in your browser. So does everything you blur.

01

Rendered, never captured

The blur is painted into the page, so screen-share and recordings capture the blurred pixels. BlurFirst never screenshots or uploads what’s on screen.

02

One network call, ever

The only request it makes is checking a license key — on activation and an occasional re-check. That’s it.

03

Stores selectors, not secrets

Per-site persistence remembers which element you blurred, never the content inside it.

Coming soon · Desktop app

Blur beyond the browser.

The extension hides what’s inside a browser tab. The BlurFirst desktop app will blur anything on your screen — native apps, other windows, notifications, your whole desktop.

In developmentPro members get early access at launch.
Messagesblurred
Pricing

$5 a month. Cancel anytime.

The yearly plan ($49) includes a 5-day free trial — your card isn’t charged until it ends. Or go lifetime: 30% off for the first 100 buyers.

FAQ

Questions, answered honestly.

Does it work with Zoom, Google Meet, Loom and recordings?

Yes — with all of them. The blur is real pixels in the page, so anything that captures the page captures the blur, including recordings. BlurFirst doesn’t hook into any specific sharing tool.

Can BlurFirst detect sensitive data automatically?

Yes. Click Scan and BlurFirst finds and blurs common sensitive content in one pass — emails, phone numbers, credit-card numbers, SSNs and API keys. Detection runs entirely in your browser; nothing is uploaded. It’s a fast first pass that pairs with manual box and element blur for anything it doesn’t catch, like names in free text.

Can it blur apps outside the browser?

Not yet — the extension only affects what’s inside a browser tab. That’s exactly what the desktop app (in development) will do: blur native apps, other windows, and your whole desktop.

Is any of what I blur sent anywhere?

No. Everything you blur stays in your browser. The only network request BlurFirst makes is checking a license key, and only when you activate or on an occasional re-check.

Which browsers are supported?

Chrome, Edge, Brave, Vivaldi and Opera today. Firefox and Safari builds are in progress.

How much does it cost?

$5/month, billed immediately — cancel anytime. The yearly plan is $49 and starts with a 5-day free trial (your card isn’t charged until it ends). Lifetime is a one-time payment: $70 for the first 100 buyers, then $100.

Do my blurs stick around?

Per-site blurs persist between sessions and re-apply when you reopen BlurFirst on that site — and they survive in-app navigation that rebuilds the page.

Blur it before you share it

Install in seconds. Blur your first field before your next call.