1CONVERTER vs Zamzar
An honest, detailed comparison to help you choose the best file converter for your needs. Updated April 2026.
Our Verdict
1CONVERTER wins with higher ratings, more generous free tier, and no watermarks. However, Zamzar is better if you need users needing rare format support.
Feature Comparison
| Feature | 1CONVERTER(Our Service) | ZamzarEst. 2006 |
|---|---|---|
| Pricing & Limits | ||
| Free Plan | Free Forever | 2 files at once |
| Free File Size Limit | 100MB | 50MB |
| Free Conversions | Unlimited | 2 files max |
| Paid Plans Start | $9.99/month | From $18/month |
| Formats Supported | 243+ | 1200+ |
| Features | ||
| Batch Conversion | ||
| API Access | ||
| Cloud Integration | ||
| Desktop App | ||
| Mobile App | ||
| Offline Mode | ||
| Watermarks (Free) | No Watermarks | No Watermarks |
1CONVERTER
Fast, Free, Unlimited File Conversion
Pros
- +Completely free for basic use
- +No watermarks on converted files
- +243+ formats supported
- +Fast conversion speeds
- +Privacy-focused - files deleted in 24h
- +No registration required
- +Batch conversion included free
- +API access for developers
Cons
- -No desktop app (web-only)
- -Requires internet connection
- -Newer service (est. 2024)
Zamzar
Free Online File Conversion
Pros
- +Established since 2006
- +1200+ formats supported
- +Desktop app available
- +Email delivery option
Cons
- -Very limited free tier (50MB)
- -Expensive paid plans
- -Slow conversion speeds
- -Outdated interface
Who Should Choose What?
Choose 1CONVERTER if you:
- Want unlimited free conversions
- Need files without watermarks
- Prefer no registration required
- Value privacy (24h auto-delete)
- Need batch conversion for free
Choose Zamzar if you:
- Users needing rare format support
- Need a desktop application
- Want offline conversion capability
Frequently Asked Questions
Is 1CONVERTER better than Zamzar?
Both are excellent tools. 1CONVERTER offers 243+ formats with unlimited free conversions, while Zamzar limits free users to 2 files max. Choose based on your specific needs: 1CONVERTER for free unlimited use, Zamzar for users needing rare format support.
Is Zamzar free to use?
Zamzar offers a free tier with limitations: 50MB file size limit and 2 files max conversions. Paid plans start at From $18/month. In comparison, 1CONVERTER offers unlimited free conversions with 100MB file limit.
How many formats does Zamzar support?
Zamzar supports approximately 1200 file formats. 1CONVERTER supports 243+ formats including images, documents, videos, audio, archives, and more.
What is the best free alternative to Zamzar?
1CONVERTER is an excellent free alternative to Zamzar. It offers unlimited free conversions, no watermarks, 243+ formats, and requires no registration. Files are automatically deleted after 24 hours for privacy.
Does Zamzar have an API?
Yes, Zamzar provides API access for developers. 1CONVERTER also provides a developer API for programmatic file conversion.
Ready to Try 1CONVERTER?
Start converting files for free. No registration, no watermarks, no limits.