Compress Image
Shrink image file size (JPG, PNG, WebP) without visible quality loss.
How It Works & Processing Standards
Shrink image file size (JPG, PNG, WebP) without visible quality loss.
Your input data is never sent to any server and is securely processed on your device.
Current Limits
- Desktop max file size: 40MB
- Mobile max file size: 20MB
Compress Image is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.
How to Use Compress Image
- 1Choose ImageSelect or drag your JPG, PNG, or WebP photo into the tool.
- 2Adjust QualityFine-tune the compression level or target file size.
- 3Save FilePreview the compressed image and download it instantly.
Examples
High-Res Photo Compression
Input: DSLR_Photo.jpg (8.4 MB)
Result: DSLR_Photo_optimized.jpg (1.1 MB, 87% smaller)
Common Use Cases
- Compressing website assets to boost Google PageSpeed and Core Web Vitals
- Downsizing camera photos to meet online portal upload limits
- Preparing email attachments to prevent delivery bounce errors
Frequently Asked Questions (FAQ)
Are my personal pictures uploaded to external servers?
Never. Image decoding, color compression, and re-encoding take place entirely on your device using Canvas and WebAssembly.