Who is Playlist Time Calculator for?

Playlist Time Calculator is a consumer product built for youTube viewers who plan playlist viewing time.

Does Playlist Time Calculator have a free plan?

Yes — Playlist Time Calculator is free to use.

What platforms does Playlist Time Calculator run on?

Playlist Time Calculator runs on the web and embeddable surfaces.

Is Playlist Time Calculator still maintained?

Unverified. Playlist Time Calculator has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Playlist Time Calculator?

Similar projects tracked by PulseGate include Youtube Playlist Duration Calculator, Youtube Playlist Duration and Progress Calculator, and Playlist Length Calc.

Who develops Playlist Time Calculator?

Playlist Time Calculator is developed by princesharma.

How long has Playlist Time Calculator been around?

Playlist Time Calculator first shipped in 2024.

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Playlist Time Calculator

Name: Playlist Time Calculator
Author: princesharma

mozilla.orgBrowser DevTools & extensions

Playlist Time Calculator is a Firefox browser extension that calculates the total duration of YouTube playlists. It also estimates viewing time at playback speeds from 0.25x to 2x, helping viewers plan sessions and understand how speed changes affect runtime.

FreeWebEmbeddable

Visit mozilla.org

1alternative

5features

2024since

Overview

5 features

Playlist Time Calculator sits in PulseGate's Browser DevTools & extensions category. It focuses on estimating the total length of YouTube playlists and the time required to watch them at different playback speeds. Playlist Time Calculator is a consumer product aimed at youTube viewers who plan playlist viewing time. It is available for free. Playlist Time Calculator is available on the web and embeddable surfaces.

Behind Playlist Time Calculator is princesharma, and it first shipped in 2024. Among its 5 catalogued features are playlist duration, playback estimates, and speed calculations. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Playlist duration
Playback estimates
Speed calculations
Custom duration formats
YouTube integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed15 Sep · 11:22 UTC
Playlist Time Calculator verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Playlist Time Calculator

What does Playlist Time Calculator do?: Playlist Time Calculator focuses on estimating the total length of YouTube playlists and the time required to watch them at different playback speeds. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Playlist Time Calculator for?: Playlist Time Calculator is a consumer product built for youTube viewers who plan playlist viewing time.
Does Playlist Time Calculator have a free plan?: Yes — Playlist Time Calculator is free to use.
What platforms does Playlist Time Calculator run on?: Playlist Time Calculator runs on the web and embeddable surfaces.
Is Playlist Time Calculator still maintained?: Unverified. Playlist Time Calculator has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Playlist Time Calculator?: Similar projects tracked by PulseGate include Youtube Playlist Duration Calculator, Youtube Playlist Duration and Progress Calculator, and Playlist Length Calc.Youtube Playlist Duration Calculator Youtube Playlist Duration and Progress Calculator Playlist Length Calc
Who develops Playlist Time Calculator?: Playlist Time Calculator is developed by princesharma.
How long has Playlist Time Calculator been around?: Playlist Time Calculator first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: YouTube viewers who plan playlist viewing time
Model: B2C
Solves: Estimating the total length of YouTube playlists and the time required to watch them at different playback speeds.

Registered as

Firefox Add-ons: playlist-time-calculator

Developer

princesharma

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
Last seen: 15 Sep 2026

Identity audit (13)

Slug: playlist-time-calculator-mozilla-org
Lifecycle state recorded: 15 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 15 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/playlist-time-calculator

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