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BA | Stamp

Chrome extension by Aletheia Tech Ltd · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 15 users, barely installed.

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
15
Rating
5.0 (3 ratings)
Users, last 17 days
+3
Rating, last 30 days
Not watched long enough to say
Version
0.3.2
Updated in the store
2026-05-15
Published
2026-05-15
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
+3 since 31.08
11-16 · 9 readings
  1. 2026-08-3112
  2. 2026-09-0313
  3. 2026-09-0412
  4. 2026-09-0613
  5. 2026-09-0711
  6. 2026-09-0812
  7. 2026-09-1315
  8. 2026-09-1516
  9. 2026-09-1615
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
  1. 2026-08-31reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-04reviews3rating5.00
  4. 2026-09-06reviews3rating5.00
  5. 2026-09-07reviews3rating5.00
  6. 2026-09-08reviews3rating5.00
  7. 2026-09-13reviews3rating5.00
  8. 2026-09-15reviews3rating5.00
  9. 2026-09-16reviews3rating5.00
Users
+3 since 31.08
11-16 · 9 readings
  1. 2026-08-3112
  2. 2026-09-0313
  3. 2026-09-0412
  4. 2026-09-0613
  5. 2026-09-0711
  6. 2026-09-0812
  7. 2026-09-1315
  8. 2026-09-1516
  9. 2026-09-1615
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
  1. 2026-08-31reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-04reviews3rating5.00
  4. 2026-09-06reviews3rating5.00
  5. 2026-09-07reviews3rating5.00
  6. 2026-09-08reviews3rating5.00
  7. 2026-09-13reviews3rating5.00
  8. 2026-09-15reviews3rating5.00
  9. 2026-09-16reviews3rating5.00

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

Specific sites only: 1 match pattern.

  • https://bastamp.com/*
  • Attach to pages the way developer tools do debugger
  • Manage your downloads downloads
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2
  • Show you notifications notifications
  • 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

Aletheia Tech Ltd. Listed website: bastamp.com.

Like this one

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

  1. PostStamper Describes nearly the same job, smaller audience 4 users
  2. GetProofAnchor Describes nearly the same job, smaller audience 18 users ★ 5.0
  3. BitProof — Archive & Timestamp Web Pages Describes nearly the same job, smaller audience 7 users
  4. ProofStamp: Timestamped Evidence Capture Describes nearly the same job, smaller audience 4 users
  5. OTRUST - Blockchain Timestamp Describes nearly the same job, smaller audience 4 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?

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.