Aggressively compress images with quality slider control. See file size reduction in real-time.
Upload your image
Drag the quality slider to balance size vs quality
Download the compressed result
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
0 bytes uploaded. Lossy Image Compressor runs entirely in your browser using Canvas API and WASM. Your image stays on your device at all times. No data is sent to any server.
80-90 for general web use, 60-70 for thumbnails, 50 or below for maximum compression with visible quality loss.
Compress images to a target file size in KB. Uses browser-image-compression for multi-threaded optimization.
Open toolCompress entire batches of images to a target size. Process up to 50 images simultaneously with Web Workers.
Open toolResize images by pixels or percentage. Maintain aspect ratio or set custom dimensions. Browser-based.
Open tool