VinPress is a free online image compressor that reduces PNG, JPEG, and WebP file sizes without uploading anything to a server. Drop in up to 20 images, adjust the quality slider, and download smaller files instantly – perfect for speeding up websites and saving storage space.
Image compression works by removing redundant or invisible data from a file. Lossy compression (adjustable quality) shrinks file size further by discarding some image detail, while lossless compression preserves every pixel exactly. Because VinPress runs entirely in the browser via JavaScript, no image data is transmitted externally, which matters for privacy-sensitive files.
The free online image compressor that works in your browser — drop images to compress them instantly — no upload, 100% in your browser.
Drop your images here!
or click to browse · PNG, JPEG, WebP · up to 20 files
FAQ
Yes, VinPress is completely free to use with no sign-up, watermarks, or hidden costs, up to 20 images per batch.
No – VinPress compresses images entirely in your browser, so your files never leave your device.
VinPress currently supports PNG, JPEG, and WebP files.
Quality compression lets you choose a percentage trade-off between file size and visual fidelity, while lossless compression preserves all original image data with no quality loss.