Image Compressor
Compress JPG, PNG, WEBP without visible loss
Drag & drop your files
or click the button below
Accepted: JPEG, PNG, WEBP
Note: Compression is done entirely in your browser. No files are uploaded to our servers.
How to use Image Compressor
- 1Click the drop zone or select your image file (JPG, PNG, WEBP)
- 2Choose your compression level (Balanced is recommended)
- 3Optionally set maximum dimensions to resize while compressing
- 4Click Compress - processing happens entirely in your browser
- 5Download the compressed image instantly
Tips & Best Practices
- •Compression happens 100% locally - your images never upload to any server
- •For web use, WEBP format often provides better compression than JPG
- •Quality loss is usually imperceptible at 75-85% compression
- •Compress multiple images at once for batch processing
- •Larger images compress better proportionally than small ones
Frequently Asked Questions
How much can I compress?
Most images can be reduced to 30-50% of original size while maintaining good quality. The amount depends on the image complexity.
Will my image quality be affected?
At default settings (85% quality), changes are usually not noticeable to the human eye. You can adjust the quality slider to find your balance.
Are my images stored anywhere?
No. All processing happens in your browser. Images never leave your device or are stored on any server.
What formats are supported?
JPG, PNG, and WEBP. Output format matches your input format.
Privacy: All processing happens in your browser. Your files never leave your device or are uploaded to any server.
ZapFiles is free thanks to advertising · No account needed · Files processed locally