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Heidi - Dual Captions for german broadcaster ARD Mediathek

Chrome extension by Dat Tran · Productivity · Education

A Chrome extension in Productivity · Education with 61 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
61 (the store no longer states an audience; this is the last figure it published)
Rating
5.0 (1 ratings)
Users, last 17 days
-33
Rating, last 30 days
Not watched long enough to say
Version
0.4.0
Updated in the store
2026-05-11
Published
2026-04-29
Manifest
V3
Browser access
5 permissions, 2 site patterns

How it has moved

Users
-33 since 31.08
0-94 · 5 readings
  1. 2026-08-3194
  2. 2026-09-020
  3. 2026-09-0862
  4. 2026-09-1061
  5. 2026-09-1661
Rating
unchanged since 31.08
reviewsrating 5.00 · 5 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-08reviews1rating5.00
  4. 2026-09-10reviews1rating5.00
  5. 2026-09-16reviews1rating5.00
Users
-33 since 31.08
0-94 · 5 readings
  1. 2026-08-3194
  2. 2026-09-020
  3. 2026-09-0862
  4. 2026-09-1061
  5. 2026-09-1661
Rating
unchanged since 31.08
reviewsrating 5.00 · 5 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-08reviews1rating5.00
  4. 2026-09-10reviews1rating5.00
  5. 2026-09-16reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Run its own code on the pages it can access scripting
Show the remaining 2
  • Schedule work to run later alarms
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Dat Tran.

Like this one

Listings the catalog judges closest in what they say they do.

  1. Dual Subtitles for ARD & ZDF Describes nearly the same job, smaller audience 223 users ★ 5.0
  2. closed caption - dual subtitle viewer Describes nearly the same job, smaller audience 2k users ★ 3.6
  3. YT Polyglot Describes nearly the same job, smaller audience 3 users
  4. LangConqueror - Dual Subtitles Describes nearly the same job, smaller audience 8 users
  5. DualCap — Bilingual Captions & Language Learning Describes nearly the same job, smaller audience 24 users ★ 4.5

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.