Image Compressor

Optimize Lab

Batch compress, resize, and download optimized images with adjustable quality

Upload images

Drag files here or click to select. Multiple files are supported.

Supports JPG, PNG, WebP. Up to 12MB per file. Processed locally, not uploaded to the server.

Width (px)

Height (px)

80% qualityQuality

0.1-1.0, lower = smaller size. Quality mainly affects JPG/WebP.

Output format

If only one side is set, the other follows aspect ratio. We avoid enlarging beyond the original size.

About this tool

Client-side image compression: resize, adjust quality, and compare before/after without uploading to a server.

Upload JPG/PNG/WebP (drag-and-drop supported).
Optionally set width or height (we keep aspect ratio and avoid enlarging).
Choose image quality between 0.1-1.0; start with 0.7-0.85 for balanced clarity and size.
Click Batch compress or compress single items, then preview size reduction.
Download compressed files individually or use Download all.

PNG keeps transparency; to shrink size more, reduce width/height or convert to JPG/WebP.

Compression queue

Original: 0Saved: 0

No images yet. Upload to start.