Single Pass icon

Single Pass

by Terrapane Group, Inc. · terrapane.com · Privacy & Security
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Single Pass will allow you to use a single password to compute passwords for all of your accounts, safely and securely.

Users
129
+20 in 30 days
Rating
4.8 / 5
unchanged in 30 days
Ratings
6
0 in 30 days
Store rank
#76K
#63K among extensions
Version
2.4
updated 16 Jun 2026

Users

monthly, 3 years
3092153Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 129 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
246Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 6 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Single Pass

What is Single Pass? Single Pass is an extension that allows you to generate passwords and PINs using a single "master" password. You only have to remember your Single Pass password and Single Pass will compute unique, secure PINs and passwords for every web site you visit. You never have to write down your passwords or risk somebody stealing your passwords with Single Pass. How do I Use Single Pass? First, select a complex Single Pass password that only you know. Don't write it down where it can be stolen. Memorize it. This will be your key to everything! If somebody steals your Single Pass password, all of your generated passwords will be compromised! Enter your Single Pass password and a Service Name. A service name might be something like "google.com". You name the services you use in whatever way you want. You can enter "google" or "google.com" or "www.google.com" or "accounts.google.com". Note that service names are case sensitive. For better security, use cryptic service names for your services. For example, rather than use "google.com", use a password generator to create complex service names. It's OK to write down the cryptic service names in a file or put them on a sticky note, since they are useless without your Single Pass password you keep stored in your head. Using this approach also addresses the issue where some web sites require you to change your password from time-to-time or require special characters or passwords of a specific length. Once you enter your Single Pass password and Service Name, click "Compute" and Single Pass will compute a 6-digit PIN and a 16-character "Service Password" for your service. The same values will be computed every time given the same Single Pass password and service same. Note that pressing "Compute" will automatically copy the "Service Password" to your clipboard for ease of use. New Features by Version 2.4 - Modest revision to colors used on dark mode browsers 2.3.8 - Updated version to align with website, including clipboard icons 2.3.1 - Updated package icons 2.3 - Complete user interface overhaul to align with the web site look-and-feel 2.2 - Interim version not published 2.1 - Improved font and increased text size 2.0 - Modernization improvements; newer licensed SHA-256 code

Growth

WindowUsersChangeRatingsRating
7 days+3+2.4%00.00
30 days+20+18.3%00.00
6 months+16+14.2%00.00
1 year+18+16.2%00.00

Version history

8 versions recorded
2.416 Jun 2026
2.3.827 May 2026
2.3.18 Mar 2026
2.37 Mar 2026
2.12 Aug 2025
2.04 Jul 2025
1.1514 Feb 2025
1.1426 Nov 2017

Details

Category
Privacy & Security
First seen
26 Nov 2017
Size
143 KB
Languages
en
Pricing
Free
Privacy policy
terrapane.com
Support
terrapane.com
Extension ID
ipcpfpfkognnabjfdhgdddamaejmhgom

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
activeTabclipboardWrite

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