100% Private In-Browser Tool
Compress Image to Under 500 KB
Compress high-res camera photos and graphics under 500 KB fast and privately — entirely in your browser.
Compress Image Under 500 KB
Compress images to under 500 KB directly in your browser.
Drag & drop image files here, or browse
Supports JPG, PNG, and WebP. 100% client-side local processing.
Note: The browser iteratively searches for an output quality to hit your approximate target size.
KB
Presets:
Prevents expanding image dimensions beyond source size
Privacy GuaranteeYour images are compressed purely inside Web Workers using HTML5 Canvas. Zero data leaves your device.
Why use ImgZero for WebP / JPG?
Local iterative compression targeting under 500 KB
Preserves original pixel resolution whenever possible
Instant browser-native processing
Frequently Asked Questions
Will my image lose resolution when compressing under 500 KB?
ImgZero prioritizes keeping exact dimensions first by tuning encoding quality. Downscaling is only applied if quality reduction alone cannot reach 500 KB.