Compress PNG, JPG, WebP & HEIC images

Reduce photo file sizes by up to 80% directly in your browser without uploading files to any server.

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 Images Online

Follow 3 simple steps to reduce file size directly in your browser.

STEP 01

Select Your Images

Drag and drop your 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.

Explore All Free Image Tools

100% private, client-side image processing. No files are ever sent to a server.

CompressPic Knowledge Base

Expert, research-backed guides on shrinking image file sizes, passing strict government portal limits, and selecting modern web formats.

Explore all 6 guides
Also exploring algorithms & site speed? Read Lossy vs. Lossless Explained and Core Web Vitals (LCP Guide).
View All 6 Guides

Frequently Asked Questions

Yes! CompressPic uses Web Workers and WebAssembly (Wasm) to compress and convert images directly inside your web browser. Your photos are never uploaded to external cloud servers.