ZWS
Zero Width Shortener (ZWS) is a URL shortener that uses zero-width characters to shorten URLs. These characters are invisible to humans, making the shortened links appear as the original ones, but with a much smaller, invisible URL structure
Visit the ZWS website 
(3.7) Price
- ZWS offers a free plan: Yes
- ZWS offers a free trial: No
Value Score 
Average value
Polr
Polr is a modern, minimalist, and lightweight open-source URL shortener that allows you to host your own URL shortener on your own server, giving you full control over your data and branding. It's designed to be easy to use and customize, with a robust API for developers to integrate it into their applications.
Price
- Polr offers a free plan: Yes
- Polr offers a free trial: No
Value Score
Below average value
Compare Features of ZWS (14) and Polr (10)
| Link Management | ZWS | Polr |
|---|---|---|
| Short Links | Yes | Yes |
| Custom Domain | Yes | Yes |
| Retargeting Pixels | Yes | No |
| Smart Redirection | No | No |
| Redirect Based on Device | No | No |
| Redirect Based on Language | No | No |
| Link Preview | Yes | No |
| Custom Link Preview | No | No |
| Bulk URL Shortening | No | No |
| Customizable URL | Yes | Yes |
| Edit URL After Publishing | No | No |
| Link Expiration | No | No |
| A/B Testing | No | No |
| Deep Linking | No | Yes |
| Password Protected Links | No | No |
| QR Codes | ZWS | Polr |
|---|---|---|
| QR Codes | Yes | No |
| Dynamic QR Codes | No | No |
| Customizable QR Codes | Yes | No |
| Downloadable QR Codes | Yes | No |
| Link-in-bio | ZWS | Polr |
|---|---|---|
| Link in Bio | No | No |
| Support for Multimedia Elements | No | No |
| Link-in-bio Creation with AI | No | No |
| Link-in-bio Templates | No | No |
| Extras | ZWS | Polr |
|---|---|---|
| API Access | Yes | Yes |
| Team Members | No | Yes |
| White Label | No | Yes |
| AI Features | No | No |
| Browser Extension | No | No |
| Self-hosted Option | No | Yes |
| Mobile-friendly UI | Yes | Yes |
| Email Support | Yes | No |
| Analytics & Tracking | ZWS | Polr |
|---|---|---|
| Analytics | Yes | Yes |
| Analytics Sharing with Clients | No | No |
| UTM Parameters | Yes | No |
| Referrer Tracking | Yes | No |
| Security & Privacy | ZWS | Polr |
|---|---|---|
| GDPR Compliant | No | No |
| Anti-Spam Protection | No | No |