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OceanHero: Save Our Oceans by Surfing the Web

Chrome extension by OceanHero GmbH · Lifestyle · Art

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Lifestyle · Art with 500 000 users, a widely installed extension.

Specific sites only: 1 match pattern.

What the developer says, and 5 screenshots

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

Users
500 000
Rating
4.6 (391 ratings)
Users, last 10 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
10.7
Updated in the store
2026-03-29
Published
2019-08-17
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
unchanged since 31.08
500k · 2 readings
  1. 2026-08-31500k
  2. 2026-09-09500k
Rating
unchanged since 31.08
reviewsrating 4.63 · 2 readings
  1. 2026-08-31reviews391rating4.63
  2. 2026-09-09reviews391rating4.63
Users
unchanged since 31.08
500k · 2 readings
  1. 2026-08-31500k
  2. 2026-09-09500k
Rating
unchanged since 31.08
reviewsrating 4.63 · 2 readings
  1. 2026-08-31reviews391rating4.63
  2. 2026-09-09reviews391rating4.63

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

Specific sites only: 1 match pattern.

  • https://oceanhero.today/*
  • Read and change cookies on the sites it can access cookies
  • See the sites you visit most topSites
  • Schedule work to run later alarms
Show the remaining 2
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

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

The publisher

OceanHero GmbH. Listed website: oceanhero.today.

Like this one

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

  1. Search for a Cause Describes nearly the same job, with an established audience 10k users ★ 3.8
  2. Idle forest - Plant trees for free! Describes nearly the same job, smaller audience 883 users ★ 4.8
  3. Greeen Describes nearly the same job, smaller audience 11 users ★ 5.0
  4. Donera - Turn tabs into money for the planet Describes nearly the same job, smaller audience 47 users ★ 4.4
  5. Search For Trees - Search Engine Describes nearly the same job, smaller audience 188 users

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?

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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.