Premium Bonds Calculator Enhancement
Adds premium bonds calculator and statistics to NS&I website
As of June 2026, Premium Bonds Calculator Enhancement has 4 users in the Productivity category.
Usersup 300.0 percent+300.0%
4
4
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
1.2.1
Manifest V3
History
2 snapshotsTracking since Apr 17, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 17, 2026 | 1 | — | — | 1.2.1 |
| Jun 7, 2026 | 1 | — | — | 1.2.1 |
| Now | 4 | — | — | 1.2.1 |
Permissions & access
- Permissions
- None declared
- Host access
- https://*.nsandi.com/*
Screenshots
About
Premium Bonds calculator and statistics overlay, which automatically appears when visiting the NS&I webpages relating to Premium Bonds. Displays data such as 'median annual return', 'median interest rate', 'expected wins', and 'monthly win probability', all dependant on the financial figure entered into the calculator. The tool runs locally and no data is collect or sent to any servers.
Technical
- Version
- 1.2.1
- Manifest
- V3
- Size
- 22.86KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- Yes
Metadata
- ID
- hkpdpbohcdimeanodjifloehhgjiamli
- Developer ID
- ubda99873b4d967b20c6e1bc326d40684
- Developer Email
- [email protected]
- Created
- Nov 15, 2025
- Last Updated (Store)
- Feb 15, 2026
- Last Scraped
- Jun 7, 2026
- Website
- pbprizes.com
- Support URL
- —
- Privacy Policy
- https://pbprizes.com/privacy
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Data sourced from the Chrome Web Store · last verified Jun 7, 2026.