Engineered for Performance & Quality

Our two-stage compression pipeline combines lossy DCT quantization with secondary lossless metadata stripping to minimize byte size without visible distortion.

• Strips unnecessary Exif, camera GPS, and color profile junk
• Dynamic chroma subsampling (4:2:0 & 4:4:4)
• Preserves sharp UI borders and text rendering

Inspect output quality with precision. Slide across the live before-and-after loupe to compare individual pixels between original and compressed results in real-time.

• Smooth touch & mouse dragging comparison bar
• Instant before vs after file size calculation
• Real percentage reduction badge

Process entire photo albums or web design asset packs simultaneously. Drop up to 20 images at once and download them individually or bundled in a single ZIP file.

• Parallel server-side processing for high throughput
• Single-click automatic ZIP packaging
• Individual file progress status & download links

Convert seamlessly between JPG, PNG, WebP, and GIF formats. Perfect for upgrading legacy JPEG/PNG assets to next-gen Google WebP for dramatic Core Web Vitals improvements.

• Next-gen WebP encoding with alpha transparency support
• Lossless PNG color table optimization
• Smart format fallback detection

Resize dimensions without losing aspect ratio. Scale down 4K and 8K camera raw photos to standard web dimensions (1080p, 720p) or custom width and height pixels.

• Preset resolutions (4K UHD, Full HD 1080p, 720p)
• Custom width and height constraint parameters
• Bicubic and Lanczos resampling filters

Your intellectual property is sacred. Files uploaded to CompressX are strictly processed in isolated storage and wiped permanently within hours. No data tracking or training.

• Automatic background garbage collection
• No user accounts or telemetry tracking required
• End-to-end encrypted HTTPS transmission