Heart Rate Simulator

Extension Developer Tools5 users

Overview

Click the toolbar icon to open an animated heart rate simulator in a new tab.

Simulates heartbeat for testing smart watches and other wrist worn wearables.

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Details

Version
1.0
Updated
21 September 2026
Flag concern
Offered by
jumpingjackflash1978
Size
21.31KiB
Languages
English (United Kingdom)
Developer
Email
jumpingjackflash1978@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

New Tab Button

4.3

One-click new tab from the toolbar

Active Tab Finder

0.0

Find the active tab fast with an animated favicon for crowded browser windows and many open tabs.

Open New Tab

5.0

Click the icon to open a custom new tab page.

Etsy Disable New Tabs

3.9

Open Etsy links in same tab instead of opening a new tab.

Analogous Clock

5.0

24-hour analog clock with day/night shading, moon phase, and up to twelve time zones on one dial. Click the icon to open it.

Accessibility Prism

5.0

All-in-one accessibility testing: axe scanning, keyboard & ARIA analysis, screen reader simulation, and visual overlays.

Synced Mobile View

5.0

Opens a synced mobile view of the current tab in a new window.

Settings Button

5.0

Easily open settings in a new tab via the toolbar button.

Toolbar Clock

4.5

Stylish analog clock in your browser toolbar.

Classroom Timer

0.0

Opens a new tab with a visual timer and random gradient background.

Clipboard Image Opener

5.0

Paste an image in the popup to open it in a new tab.

The Sims Wallpaper

5.0

Bring the world of The Sims to life with stunning wallpapers for your new tab!