Compress JPEG, PNG and WebP without uploading anywhere.
Updated
Quick start
Drop an image, pick a format and quality, download the smaller version. Nothing uploads anywhere.
Drag a PNG, JPG or WebP into the zone, or click to pick a file.
JPEG and WebP have a quality slider (75% is a good default). PNG is lossless — no slider.
See original vs compressed size with a savings percentage. Click Download to save.
In-depth guide
Reduce image file size for faster page loads, cheaper email attachments and tighter storage — all without uploading. Choose between JPEG, WebP and PNG outputs and balance quality vs size with a live preview.
| Use case | JPEG / WebP quality |
|---|---|
| Hero photos, archival | 85-95 |
| Standard web content | 75-85 |
| Thumbnails, OG images | 60-75 |
| Email / chat attachments | 50-65 |
No. The image is loaded into a hidden canvas and re-encoded entirely in your browser. The download is a Blob URL generated locally.
JPEG and WebP use lossy compression — lower quality discards more detail in exchange for smaller files. 75% is a good default; 60-70% works for thumbnails; 90%+ for archival.
PNG is lossless — there's no quality knob. To shrink a PNG, switch the output to WebP (lossy but typically 25-50% smaller at equivalent visual quality).
WebP and PNG preserve alpha. JPEG flattens transparent pixels onto white (chosen over black for visual consistency).
If you re-encode an already-compressed JPEG at high quality, headers can add overhead. Compression works best on uncompressed sources (screenshots, exports from RAW).
Yes — re-encoding via canvas drops all EXIF, XMP and ICC profile data. Use the EXIF viewer tool to inspect metadata before compressing if you need to preserve it.
Keep exploring
Hand-picked utilities that pair well with the one you're on — all free, client-side, and zero-signup.
Shrink PDF file size without uploading to a server.
Combine multiple PDFs into one in your browser.
Split a PDF by pages or page ranges, download as zip.
Convert JPG, PNG and WebP into a single PDF, locally.