Convert PNG Images to JPG via API
Convert PNG images to smaller, widely compatible JPG files via REST API. Reduce storage costs, configure output quality, and automate image conversions at scale.
# Convert PNG image to JPG
curl -X POST \
https://api.convertfilefast.com/v2/convert/png-to-jpg \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "file=@image.png" \
-F "quality=90" \
--output image.jpg
# HTTP 200 OK — Content-Type: image/jpegAdvantages
Why use our API?
Complete and reliable solution for integration in any tech stack.
Smaller File Sizes
JPG uses lossy compression, producing files significantly smaller than PNG for photos and complex images.
Configurable Quality
Set output quality from 1 to 100 to balance visual fidelity against file size for each conversion.
Simple Multipart Upload
Send your PNG file as multipart/form-data. No preprocessing or encoding required.
Batch Processing
Automate conversion of entire PNG libraries to JPG using loops in Python, Node.js, or n8n workflows.
n8n & Automation Ready
Connect to PNG sources in Google Drive, Dropbox, or S3 and convert to JPG automatically in n8n.
Zero Storage
PNG files are converted in memory and deleted immediately. Your images are never stored on our servers.
Start Converting PNG to JPG
Get your API key and convert PNG images to JPG instantly. Free plan includes 10 conversions per month.
No credit card. 10 free conversions on Free plan.