PNGJPG

Image Converter

Convert images between different formats. Supports PNG, JPEG, WebP, and BMP. All processing happens in your browser.

Upload Image

Drag and drop, paste (Ctrl+V), or browse

or

Supports: PNG, JPEG, WebP, BMP, GIF • Paste: Ctrl+V (Cmd+V)

Conversion Settings

Format Guide

PNG

Lossless compression, supports transparency. Best for logos and graphics.

JPEG

Lossy compression, smaller files. Best for photos without transparency.

WebP

Modern format, better compression. Good balance of quality and size.

BMP

Uncompressed format, large files. Best for archival purposes.

Privacy First

All image conversions happen locally in your browser. Your images are never uploaded to any server.

About Image Converter

Free Online Image Format Converter

Convert images between different formats online for free. Support for PNG, JPEG, WebP, and BMP with quality control and instant preview. Perfect for optimizing images for web, reducing file sizes, or converting to specific formats required by different platforms and applications.

Key Features

🔄 Format Support

  • PNG - Lossless with transparency
  • JPEG - Best for photographs
  • WebP - Modern compression
  • BMP - Uncompressed format
  • Convert between any formats

⚙️ Quality Control

  • Adjustable quality slider
  • 10% - 100% quality range
  • Real-time file size preview
  • Balance quality vs size
  • Maintain original quality option

📊 Size Comparison

  • Original file size display
  • Converted file size preview
  • Size reduction percentage
  • Before/after comparison
  • Optimize for web

🚀 Easy to Use

  • Drag and drop upload
  • Paste from clipboard (Ctrl+V)
  • Instant conversion
  • Side-by-side preview
  • One-click download

Why Use Our Image Converter?

100% Free: Convert unlimited images without watermarks, subscriptions, or hidden fees.

Privacy Protected: All image conversion happens in your browser. Your photos never leave your device, ensuring complete privacy and security.

No Installation Required: Works directly in your web browser on any device - Windows, Mac, Linux, iOS, Android.

High Quality: Maintain image quality while converting formats or reduce file size with adjustable quality settings.

Fast Conversion: Instant processing with real-time preview - no waiting, no uploading.

Multiple Formats: Support for all common image formats including modern WebP format.

How to Convert Images Online

  1. Upload Your Image: Click "Choose Image" to select a photo, drag and drop it, or paste from clipboard with Ctrl+V.
  2. Select Output Format: Choose your desired format - PNG, JPEG, WebP, or BMP.
  3. Adjust Quality: Use the quality slider to balance file size and image quality (JPEG and WebP only).
  4. Preview Result: See the converted image and file size before downloading.
  5. Download: Click "Download Converted Image" to save your converted photo.

Image Format Guide

🖼️ PNG (Portable Network Graphics)

Best for: Graphics, logos, images with transparency, screenshots, diagrams. Features: Lossless compression, transparency support, larger file sizes. Use when: You need transparency, perfect quality, or are working with graphics/text.

📷 JPEG (Joint Photographic Experts Group)

Best for: Photographs, complex images, web images, email attachments. Features: Lossy compression, small file sizes, no transparency, adjustable quality. Use when: File size matters, you're working with photos, or transparency isn't needed.

🌐 WebP (Web Picture format)

Best for: Modern websites, web optimization, reducing bandwidth. Features: Superior compression, supports transparency, both lossy and lossless modes, 25-35% smaller than JPEG. Use when: Optimizing for modern web browsers, reducing page load times.

🖥️ BMP (Bitmap)

Best for: Windows applications, uncompressed storage, basic editing. Features: No compression, very large file sizes, maximum compatibility. Use when: Working with legacy Windows software or need uncompressed images.

Common Conversion Scenarios

PNG to JPEG: Reduce file size for photos. PNG photos are much larger than JPEG. Convert to JPEG to save space while maintaining good quality. Set quality to 85-95% for optimal results.

JPEG to PNG: Add transparency or avoid compression artifacts. Convert photos to PNG when you need to add transparency layers or want lossless quality.

Any to WebP: Optimize for web performance. WebP offers the best compression and quality balance for modern websites, reducing load times significantly.

WebP to JPEG/PNG: Ensure compatibility. Convert WebP to JPEG or PNG for use in applications or platforms that don't support WebP.

Perfect For

  • Website optimization
  • Email attachments
  • Social media uploads
  • Reducing file sizes
  • Format compatibility
  • Blog images
  • E-commerce product photos
  • Portfolio images
  • Document preparation
  • App development
  • Print to web conversion
  • Cloud storage optimization

Pro Tips for Image Conversion

  • JPEG Quality Settings: Use 85-92% quality for web images - imperceptible quality loss with significant size savings.
  • PNG for Graphics: Always use PNG for logos, icons, screenshots, or images with text to avoid compression artifacts.
  • WebP for Modern Web: Convert all website images to WebP for 25-35% smaller files with same visual quality.
  • Remove Transparency: Convert PNG with transparency to JPEG (adds white background) to drastically reduce file size.
  • Batch Conversion: Need to convert multiple images? Convert them one by one and download individually.
  • Check File Size: Always compare original vs converted file size to ensure you're getting the optimization you need.
  • Quality vs Size: Lower quality = smaller file. Find the sweet spot where quality is acceptable and file size is optimized.

Format Selection Guide

Choose PNG when: You need transparency, have graphics/logos/screenshots, want lossless quality, or file size isn't a concern

Choose JPEG when: You have photographs, need small file sizes, transparency isn't needed, or uploading to email/social media

Choose WebP when: Optimizing modern websites, want best quality/size ratio, targeting Chrome/Firefox/Edge browsers, reducing bandwidth costs

Choose BMP when: Working with legacy Windows software, need uncompressed data, or maximum compatibility with old systems

Web Optimization Best Practices

Hero Images: Convert large hero/banner images to WebP or JPEG at 85% quality. Aim for under 200KB for fast loading.

Thumbnails: Use JPEG at 80% quality for thumbnail images. They're viewed at small sizes where quality differences aren't noticeable.

Product Photos: E-commerce product images should be JPEG (90% quality) or WebP for good detail and reasonable file sizes.

Icons & Logos: Always use PNG for logos and icons to maintain crisp edges and support transparency.

🔒 Your Privacy is Protected

All image format conversion is performed entirely in your web browser using client-side JavaScript. Your photos are never uploaded to our servers or any third party. This ensures your images remain completely private and secure while providing instant conversion with no file size limits or waiting.

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