ToolCrispTL;DR: TinyPNG uploads your images to a server for compression. ToolCrisp compresses entirely in your browser — your files never leave your device. Both are free, but ToolCrisp offers more privacy and no file limits.
How They Work
TinyPNG
- Uploads images to TinyPNG servers
- Server-side compression using lossy algorithms
- Downloads compressed result
- Free tier: 500 images/month, max 5 MB each
ToolCrisp
- All processing happens in your browser
- Canvas API compression (JPEG/WebP quality control)
- Files never leave your device
- No limits — free, unlimited, no sign-up
Feature Comparison
| Feature | TinyPNG | ToolCrisp |
|---|---|---|
| Privacy | Files uploaded to server | 100% browser-based |
| File Limit | 500/month (free) | Unlimited |
| Max File Size | 5 MB (free) | 20 MB |
| Formats | PNG, JPEG, WebP | PNG, JPEG, WebP + 10 more |
| Account Required | No (limited), Yes (API) | No |
| Other Tools | Compression only | 79+ tools (resize, convert, crop...) |
When to Choose TinyPNG
- You need advanced PNG quantization (TinyPNG excels at this)
- You want API access for automated workflows
- You need WordPress or Shopify plugin integration
When to Choose ToolCrisp
- Privacy matters — your files should never leave your device
- You need more than just compression (resize, convert, crop, effects)
- You want unlimited usage with no account or limits
- You work offline or on slow connections
Try ToolCrisp Image Compression
Compress your images for free, right in your browser. No uploads, no sign-ups, no limits.