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Localhost Cookie Sync

Chrome extension by Brett Merrifield · Productivity · Developer

  • Featured
  • Established publisher

A Chrome extension in Productivity · Developer with 285 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 1 screenshot

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

Users
285
Rating
5.0 (4 ratings)
Users, last 17 days
-24
Rating, last 30 days
Not watched long enough to say
Version
0.4
Updated in the store
2021-09-24
Published
2021-09-21
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
-24 since 01.09
282-309 · 10 readings
  1. 2026-09-01309
  2. 2026-09-03304
  3. 2026-09-05296
  4. 2026-09-07295
  5. 2026-09-08292
  6. 2026-09-10294
  7. 2026-09-13282
  8. 2026-09-15284
  9. 2026-09-16285
  10. 2026-09-17285
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-03reviews4rating5.00
  3. 2026-09-05reviews4rating5.00
  4. 2026-09-07reviews4rating5.00
  5. 2026-09-08reviews4rating5.00
  6. 2026-09-10reviews4rating5.00
  7. 2026-09-13reviews4rating5.00
  8. 2026-09-15reviews4rating5.00
  9. 2026-09-16reviews4rating5.00
  10. 2026-09-17reviews4rating5.00
Users
-24 since 01.09
282-309 · 10 readings
  1. 2026-09-01309
  2. 2026-09-03304
  3. 2026-09-05296
  4. 2026-09-07295
  5. 2026-09-08292
  6. 2026-09-10294
  7. 2026-09-13282
  8. 2026-09-15284
  9. 2026-09-16285
  10. 2026-09-17285
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-03reviews4rating5.00
  3. 2026-09-05reviews4rating5.00
  4. 2026-09-07reviews4rating5.00
  5. 2026-09-08reviews4rating5.00
  6. 2026-09-10reviews4rating5.00
  7. 2026-09-13reviews4rating5.00
  8. 2026-09-15reviews4rating5.00
  9. 2026-09-16reviews4rating5.00
  10. 2026-09-17reviews4rating5.00

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.

  • Read and change cookies on the sites it can access cookies
  • 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

Brett Merrifield.

Like this one

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

  1. CookieSync: syncs cookies to localhost Describes nearly the same job, smaller audience 385 users ★ 5.0
  2. Local Session Sync Describes nearly the same job, smaller audience 14 users ★ 5.0
  3. Sync Cookies Describes nearly the same job, smaller audience 17 users
  4. auto-sync-cookies Describes nearly the same job, smaller audience 54 users
  5. Cookie Sync Assistant Describes nearly the same job, smaller audience 26 users ★ 5.0

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.