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あと何日？ - Days Left Counter icon

あと何日？ - Days Left Counter

大切な予定日までの残り時間を、秒・ミリ秒単位でリアルタイムにカウントダウン表示。デッドライン接近を自動警告するスマートタイマー。

Users0Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth--Net users gained this week
7-day growth rate--Relative weekly velocity
Preview

あと何日？ - Days Left Counter Media preview

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Technical snapshot

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Version1.0.0
ManifestV3
Size48.26KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview

Product summary

Review the store description, core capabilities, and common use cases.

⏳ Exactly how many days, seconds, and milliseconds are left until your important target date?

"Want to visually track how much time is slipping away before a project deadline?"

"Want to countdown the exact moments until a long-awaited concert or exam day?"

"Days Left?" is an ultra-lightweight, single-purpose countdown utility designed to give you a clear, real-time look at your upcoming events right from your browser popup.

The core feature is the custom "Urgency Warning System (⚠️)".

The extension calculates the total duration from the day you created the schedule to the target date. The moment the remaining time drops into the "last 1/4 (25%)" phase, an urgency badge (⚠️) automatically triggers to keep you focused and beat procrastination.

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