Image Compress
Popular Free Local ProcessingFree online image compressor supporting JPEG, PNG, and WebP. Drastically reduce image size via the quality parameter. Files never uploaded, all processing in your browser, privacy-safe.
Drag files here, or
Up to 20, max each 100.0 MB
Options
How to Use
- 1 Click "Select Image" or drag images to the upload area (supports JPEG/PNG/WebP)
- 2 Drag the "Compression quality" slider to adjust the level (lower value = smaller size)
- 3 Optional: choose output format (Keep original format / JPEG / PNG)
- 4 Click "Compress Image" button
- 5 Download the compressed file(s) when processing completes (multiple files are packaged as ZIP)
FAQ
Q: Are images uploaded to the server?
No. All processing happens in your browser. Images never leave your device, fully protecting your privacy.
Q: Why does PNG size barely change after compression?
PNG is a lossless format and the quality parameter has no effect on PNG. For a smaller size, choose JPEG as the output format.
Q: What quality value should I set?
Usually 60-80 balances size and clarity. For higher clarity, set 80 or above.
Q: Which formats are supported?
Supports JPEG, PNG, WebP input. Output can be Keep original format, JPEG, or PNG.
Related Guides
- How to Compress Images Without Losing Quality
Image compression tutorial: JPEG/PNG/WebP compression, quality control, batch processing.
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