Dozens of free image converter sites exist, but most have a critical flaw: they upload your photos to their servers. Here's an honest comparison.
The privacy question nobody answers
When you upload a photo to a converter, who can access it? How long is it stored? Is it used for training AI models? Most sites bury this in their privacy policies.
Comparison table
| Tool | Uploads files? | Free? | Limit |
|---|---|---|---|
| ImageZen4u | ✓ Never | ✓ Always | None |
| Squoosh (Google) | Browser-based | ✓ Free | 1 file at a time |
| Convertio | Server upload | Partial | 10 files/day |
| iLoveIMG | Server upload | Partial | Limited |