🛡️ 100% Browser Local Execution · Zero Upload Privacy · Instant Speed
Convert JPG to PNG Online — Lossless Browser Tool
Convert JPEG images to lossless PNG format instantaneously inside your browser.
🖼️
Click or Drag & Drop Images Here (100% Local Browser Processing — Never Uploaded)
Supports WebP, PNG, JPG, AVIF, SVG, BMP, GIF, ICO
Popular Format Conversion Shortcuts
📖 How to Use & Technical Guide
- Drag and drop one or multiple images (WebP, PNG, JPG, AVIF, SVG, BMP, GIF) into the drop zone.
- Select your desired target format (PNG, JPEG, or WebP), quality percentage (10%–100%), and optional max width resize.
- Preview size savings instantly and download converted images individually or all at once.
❓ Frequently Asked Questions
Are my images uploaded to any server during conversion?
Never. All image decoding, resizing, and re-encoding happen strictly inside your device's browser memory using the native HTML5 Canvas API.