Image Compression API
Compress PNG, JPEG, and WebP images with a simple REST API. Fast, secure, and developer-friendly.
Try It Now
No signup required. Upload an image and see the compression in action.
Drag & drop an image
or click to select (PNG, JPEG, WebP up to 5MB)
Need more compressions? Sign up for 500 free/month
Why Compresto API?
Built for developers who need reliable, fast image compression at scale.
Fast
Average response time under 500ms. Optimized for high throughput.
Quality
Smart compression preserves visual fidelity while reducing size.
Secure
Processed in memory, never stored. Your files remain yours.
Simple
One endpoint, multipart or base64. Get started in minutes.
Flexible
PNG, JPEG, WebP support with format conversion.
Affordable
Generous free tier. Pay only when you need more.
Easy Integration
Get started in minutes with your favorite language.
curl -X POST https://api.compresto.app/v1/compress \-H "X-API-Key: ck_your_api_key" \-F "image=@photo.jpg" \-F "quality=80" \-F "format=webp" \-o compressed.webp
Frequently asked questions
Ready to compress?
Start with 500 free compressions per month. No credit card required.
No credit card required • 500 compressions/month free