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Casper Signer

Chrome extension by Casper · Productivity · Developer

  • Trader

A Chrome extension in Productivity · Developer with 10 000 users, an established extension. Audience over the last 30 days: unchanged.

Specific sites only: 134 match patterns.

What the developer says, and 5 screenshots

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

Users
10 000
Rating
3.1 (52 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 10 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
Version
1.4.31
Updated in the store
2024-07-24
Published
2020-05-11
Manifest
V3
Browser access
3 permissions, 134 site patterns

How it has moved

Users
unchanged since 02.10
10k · 1 reading
  1. 2026-11-0110k
Rating
unchanged since 02.10
reviewsrating 3.13 · 1 reading
  1. 2026-11-01reviews52rating3.13
Users
unchanged since 01.09
10k · 3 readings
  1. 2026-09-0110k
  2. 2026-09-1310k
  3. 2026-11-0110k
Rating
+0.022 since 01.09
reviewsrating 3.113-3.135 · 3 readings
  1. 2026-09-01reviews53rating3.113
  2. 2026-09-13reviews52rating3.135
  3. 2026-11-01reviews52rating3.135

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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: 134 match patterns.

  • *://*.casperlabs.io/*
  • *://localhost/*
  • *://*.make.services/*
Show the remaining 9
  • *://cspr.live/*
  • *://*.cspr.live/*
  • *://casper.live/*
  • *://*.casper.live/*
  • *://casperholders.io/*
  • *://*.casperholders.io/*
  • *://casperholders.com/*
  • *://*.casperholders.com/*
  • *://*.casperstats.io/*
  • See the address and title of every tab you have open tabs
  • 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

Casper publishes 2 listings we track, 20k users between them.

  1. Casper Wallet Casper · Productivity · Workflow · published 2023-03-18 10k users ★ 4.8

Like this one

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

  1. Casper Wallet Describes nearly the same job, with an established audience 10k users ★ 4.8
  2. KasKeeper Describes a similar job, smaller audience 133 users ★ 5.0
  3. anySigner Describes a similar job, smaller audience 10 users ★ 5.0
  4. VNPAY Signer Describes a similar job, smaller audience 44 users
  5. Cairn Wallet Describes a similar job, smaller audience 465 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.

Compared side by side

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/djhndpllfiibmcdbnmaaahkhchcoijce/badge.svg)](https://extops.dev/extensions/djhndpllfiibmcdbnmaaahkhchcoijce)

HTML

<a href="https://extops.dev/extensions/djhndpllfiibmcdbnmaaahkhchcoijce"><img src="https://extops.dev/extensions/djhndpllfiibmcdbnmaaahkhchcoijce/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-09-13. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built