WebAssembly-Powered Image Tools

PixelZip

High-Performance Image Compression in Your Browser

Compress images instantly with advanced WebAssembly technology. No uploads. No waiting. Complete privacy.

🔒No server uploads
Instant compression
🆓Completely free
🔓Open source engine

Why Choose PixelZip?

Built for speed, privacy, and quality. Every feature is designed with developers and creators in mind.

Lightning Fast

WebAssembly-powered compression runs at near-native speed directly in your browser. No round-trips to a server.

🔒

Privacy First

Your images never leave your device. All processing happens locally — zero data is transmitted to any server.

📦

Smaller Files

Intelligently reduce image file sizes by up to 90% while preserving visual quality using advanced algorithms.

🧠

Smart Compression

Powered by mozjpeg and oxipng — the same engines used by major tech companies to optimize images at scale.

How It Works

Compress your images in three simple steps — no account, no subscription, no setup.

  1. 01

    Upload your image

    Drag and drop or click to select any JPEG, PNG, or WebP image up to 50 MB.

  2. 02

    Adjust compression

    Choose quality level and mode. Preview the result before committing.

  3. 03

    Download optimized file

    Download your compressed image instantly. File names include the '-compressed' suffix.

Your Privacy is Non-Negotiable

PixelZip processes images directly in your browser using WebAssembly. Your images are never uploaded to any server. The compression algorithm runs entirely on your device — meaning your photos, documents, and personal images never leave your machine.

  • No server uploads
  • No image storage
  • No account required
  • No data collection
  • Works offline
  • Open algorithm
Read our full Privacy Policy →

Ready to compress
your images?

Free, private, and instant. No sign-up required.

Start Compressing Images