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Media Harmony: Volume & Speed Control

By kentaaratani

Auto-scale the loudness (not just volume) and auto-apply custom playback speed to all media.

View Chrome Web Store

Time on the storeAbout 1 to 3 yearsA rough range, not an exact date

Store users22As shown on the Chrome Web Store

Chrome Web Store rating1.0 / 51 rating on the Chrome Web Store

Last store update17 Mar 2025Version 1.5.1, 19 months ago

Inside the extension

Media Harmony: Volume & Speed Control developer product preview 1

Product image 1 of 1

Reviews

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Permissions & access

Access levelHigh

Can read and change every website you visit.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 6

Sensitive3

Read and change data on every website<all_urls>
See the address and title of every open tabtabs
Follow every page you openwebNavigation

Standard3

Save its own settingsstorage
Work on the tab you click it onactiveTab
Run its code on pages it can accessscripting

Members also see when a new version asks for new access.

Website access All

All websites

Extension ID: okfmpfemfhgciblljpdhgaojobbhpooh
Package size: 132KiB
Manifest: Version 3

The maker

kentaaratani has 7 listings on the store. Most of their listings haven’t changed in over a year.

Listings: 7
Combined store users: ≈129
Store Featured: 0
Updated in the last 90 days: 0 of 7

Split51 users · updated 12 months ago
Note.txt20 users · updated 13 months ago
Gloom Buster12 users · updated 19 months ago
MozaicAI11 users · updated 15 months ago

Combined users can count the same person more than once. See all 7 listings

Ext Watch AI

Should you build in this niche?

One research report for Media Harmony: Volume & Speed Control. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
Ready in a minute or two
Report and PDF yours for 30 days