Compress JPEG Images OnlineMozJPEG WASM
Compress JPEG and JPG photographs with Mozilla MozJPEG WebAssembly for superior visual fidelity.
WASM ACCELERATED
Drop any Video, Image, Audio, or PDF
100% In-Browser & Sovereign • Zero Cloud Egress
MP4MOVWEBPPNGJPGHEICPDFMP3WAVGIF
Quick One-Click Presets
ANALYZING MEDIA METADATA...
Unable to read this file
The file could not be parsed. It may be corrupted, password-protected, or in an unsupported format.
📁
filename.ext
DETECTING...0 MB
ACTIVE
Removes GPS coordinates, device serial numbers, camera model, and timestamps from JPEG/PNG headers before compression.
Zero device or location data leaves your browser
ENCODING PARAMETERS
CRF 23 // Balanced
16 (Archive / Lossless)23 (Default)36 (Max Compact)
Auto 2-Pass Bitrate
MB
⚠️Target size exceeds original file size.
Zero Server Uploads • Multi-Threaded In-Browser Engine
Optimal JPEG Image Compression Tips
ENGINE TIP
Quality 80 offers an ideal balance of clarity and size
ENGINE TIP
Trellis quantization optimizes high-frequency details
ENGINE TIP
Strip EXIF metadata for additional size savings
Frequently Asked Questions
What is MozJPEG?
MozJPEG is an enhanced JPEG encoder developed by Mozilla that achieves 10-15% better compression than standard libjpeg.