Quick Overview
Polyteller is a Chromium browser extension that converts Polymarket times to local zones, hides portfolio balances, and adds trade confirmation popups.
About Polyteller
What is Polyteller?
Polyteller is a browser extension for traders on Polymarket. It converts market end times into the local timezone of the user and includes a live countdown timer. The tool has a privacy mode that hides portfolio balances and values with one click.
The software has a trade safety feature. This feature requires users to confirm a trade via a popup dialog before the order goes to the market. Users set custom notifications to receive alerts at specific intervals before an event concludes. This extension works on Chrome and other Chromium browsers.
Key Features
Accurate Event Countdowns
This tool displays event end times in the local timezone. A live countdown updates in real time to handle Daylight Saving Time changes and Polymarket server syncing.
Custom Notification Alerts
Users set multiple alerts for specific intervals before an event ends. These notifications arrive even when the browser is closed and follow local time zones.
Portfolio Privacy Mode
A one-click toggle masks portfolio values and balances. This setting applies to all open tabs and persists across different browser sessions to protect data in public spaces.
Trade Confirmation Safety
An optional popup prevents accidental trades. This feature includes keyboard shortcuts and a countdown timer for cancellations to reduce execution errors.
Pros & Cons
Pros
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Automated timezone conversionLocal time for every market resolution displays automatically on the page so you do not have to calculate offsets manually.
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Portfolio maskingPrivacy mode hides account balances and trade values from the screen with a single click for browsing in public settings.
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Resolution countdownsLive timers show the exact seconds remaining until an event ends based on the official Polymarket server data.
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Custom end notificationsDesktop alerts trigger at specific intervals like one hour or five minutes before a market closes.
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Trade confirmation popupsSafety dialogs require a second click or keyboard shortcut to execute an order which prevents fat finger errors.
Cons
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Limited browser supportInstallation works only on Chrome or Chromium-based browsers like Edge and Brave with no support for Firefox or Safari users.
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Manual update requirementsMarket transitions sometimes fail to trigger automatic timer updates and require a manual page refresh to sync the latest event data.
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No mobile appFunctionality is restricted to desktop browser extensions and the trade safety popup is disabled on small screens.
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Single platform focusFeatures are built exclusively for Polymarket and do not provide data or protection for other prediction market websites.
Frequently Asked Questions
The tool works on Google Chrome and Chromium based browsers. Users can install it on Microsoft Edge and Brave if the browser version is 110 or higher.
The timer converts event end times to the local timezone of the user. It adjusts for daylight saving time and syncs with market servers to show a live countdown.
Privacy mode masks portfolio values and account balances across all open tabs. Users toggle this setting through the extension icon to hide financial data while they share a screen.
Users set custom notifications for specific time intervals before an event ends. Alerts work at multiple points such as one hour or five minutes before the deadline.
The extension adds an optional confirmation popup for every trade. This dialog includes keyboard shortcuts and a short countdown to stop accidental orders.
The extension detects market changes and updates the countdown clock. It keeps privacy settings active as the user navigates to different pages within the platform.
