Try It Now
No signup required. Upload an image and see the compression in action.
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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.
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Fast
Average response time under 500ms. Optimized for high throughput.
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Quality
Smart compression preserves visual fidelity while reducing size.
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Secure
Processed in memory, never stored. Your files remain yours.
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Simple
One endpoint, multipart or base64. Get started in minutes.
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Flexible
PNG, JPEG, WebP support with format conversion.
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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