Compress PNG Images Online
Reduce transparent PNG file sizes instantly. Lossless & lossy PNG compression processed 100% in your browser.
100% Private (Runs Local)
100% Free & Unlimited
No Sign-Up Required
Bulk Processing
Compression Mode:
1%100%
Drop images here, or choose files
Select multiple files. iPhone HEIC photos are automatically converted & compressed.
PNGJPGWEBPAVIFHEICGIFSVG
You can also paste images from your clipboard (Ctrl+V)
How to Compress & Convert PNG Images Online
Follow 3 simple steps to reduce file size directly in your browser.
STEP 01
Select Your PNG Images
Drag and drop your png images files into the upload box or click to select files from your Mac, Windows, or mobile device.
STEP 02
Adjust Quality & Format
Fine-tune the compression quality slider or convert to WebP, JPG, or PNG. Inspect side-by-side visual quality before downloading.
STEP 03
Instant Free Download
Download your optimized images individually or get a single neat ZIP file. 100% private with zero file uploads to any server.
Frequently Asked Questions
CompressPic analyzes color palettes and alpha transparency channels in your PNG files to remove redundant metadata and optimize pixel data directly in your browser without sacrificing visual clarity.