Compress PNG Images LosslesslyOxiPNG WASM
Losslessly reduce PNG image sizes using Rust-powered OxiPNG WebAssembly optimization.
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 PNG Image Compression Tips
ENGINE TIP
Lossless OxiPNG preserves 100% pixel perfection
ENGINE TIP
Great for logos, UI screenshots, and diagrams
ENGINE TIP
Removes ancillary chunks and optimizes Deflate streams
Frequently Asked Questions
Is OxiPNG compression lossless?
Yes, OxiPNG uses advanced entropy modeling and filter heuristics to reduce byte size without altering a single pixel.