Everything You Need to Optimize Images
Graviton gives you powerful compression, format conversion, and fine-tuned controls — all in a privacy-first, browser-based tool that supports JPG, PNG, WebP, AVIF, and GIF.
Bulk Compression
Compress multiple images at once and download them all in a single ZIP archive. Perfect for batch workflows with up to 90% file size reduction.
Format Conversion
Convert freely between JPG, PNG, WebP, AVIF, and GIF. Adopt modern formats like WebP and AVIF for smaller files with better quality.
Image Quality
Achieve up to 90% file size reduction without visible quality loss. Advanced algorithms preserve detail while dramatically shrinking file sizes.
Privacy & Security
Your images are processed in memory using server-side streaming. Nothing is stored on disk and originals are discarded immediately after compression.
Advanced Controls
Fine-tune compression with quality sliders, format-specific settings like PNG compression level, WebP lossless mode, AVIF effort, and GIF dithering.
Lightning Fast
Process images instantly with server-side streaming and real-time preview. No installation needed — compress directly in your browser with immediate results.
Start Compressing Today
Free to start with 10 compressions per day. No credit card required.