ConvertQaziFree Converter & Compressor
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PNG Compressor

Reduce PNG file size for the web.

Drop files here or click to upload

Files are processed 100% in your browser. Nothing is uploaded to any server.

Options

80%

PNG Compressor

Compress PNG files online for free. Our png compressor shrinks file size while keeping quality high — perfect for email, the web, and cloud storage. No uploads to a server, no signup, no watermarks.

Benefits

  • ✓Dramatic size reduction with minimal quality loss
  • ✓Runs in-browser — your files never leave your device
  • ✓Batch compression with a single ZIP download
  • ✓Fine-grained quality slider for full control
  • ✓Works on Windows, macOS, Linux, Android and iOS
  • ✓Totally free, no watermarks, no signup

Features

  • •Adjustable quality target
  • •Optional max-dimension resizing
  • •Batch mode up to 50 files
  • •Real-time progress and file-size preview
  • •Instant download or history for signed-in users

How it works

  1. Step 1
    Add your PNG file(s) to the upload area.
  2. Step 2
    Choose a quality level — 70–80% is a great default.
  3. Step 3
    Click Compress and let your browser do the work.
  4. Step 4
    Download the smaller file(s) instantly.

Supported formats

  • Input: PNG
  • Output: optimized PNG
  • Batch: up to 50 files

Best use cases

  • • Email attachments under provider size limits
  • • Faster page loads and better Core Web Vitals
  • • Save space in Google Drive, Dropbox and iCloud
  • • Speed up messaging and social media uploads

Frequently asked questions

How much can I compress a PNG file?
Typical results range from 40% to 80% size reduction depending on the source. Photos and screenshots usually compress most; already-optimized files compress less.
Is the PNG Compressor really free?
Yes. PNG Compressor on ConvertQazi is 100% free with no watermarks, no signup requirement, and no hidden limits for standard use.
Are my files uploaded to a server?
No. PNG Compressor runs entirely in your browser using WebAssembly. Your files never leave your device, which keeps sensitive documents private and processing instantaneous.
How do I use png compressor?
Drop your file into the upload area (or click to browse), adjust any options such as quality or size, then click Convert. Your result downloads automatically when it's ready.
Is there a file size limit?
Because everything runs locally in your browser, the practical limit is your device's memory. Most files up to 1–2 GB work smoothly on modern computers.
Does it work on mobile, Mac, Windows and Linux?
Yes. ConvertQazi is a web app that works on any modern browser — Chrome, Safari, Firefox, Edge and Brave — on Windows, macOS, Linux, Android and iOS.
Do you keep copies of my files?
Never. We can't — nothing is uploaded. Files stay on your device and are removed from memory as soon as you close the tab.

Related tools

The PNG Compressor makes it easy to slim down PNG files without sacrificing quality — for free, in your browser, in seconds.