John D. Cook personal blog
Text case changes the size of QR codes
Changing the case of text can change the size of the corresponding QR code. This is one of the reasons Bitcoin moved from Base58 to bech32 encoding.
- Points
- 178
- HN comments
- 52
- Submissions
- 1
- Cited by
- 0 commenters
Web & FrontendTools & Productivity2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Nov 1, 2025 | Text case changes the size of QR codes by ibobev | 178 | 52 |
