Free Online Image Format Converter Tool

Supports JPG, PNG, WebP, GIF and many other format conversions, batch processing, maintaining image quality

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10+
Supported Formats
100%
Free to Use
High Quality
Format Conversion

Supported Format Conversions

Common image format conversion combinations

JPG
→
PNG

JPG to PNG, supports transparent background

PNG
→
JPG

PNG to JPG, reduce file size

WebP
→
JPG

WebP to JPG, improve compatibility

GIF
→
PNG

GIF to PNG, preserve animation frames

HEIC
→
JPG

HEIC to JPG, Apple format conversion

BMP
→
PNG

BMP to PNG, optimize file size

Why Choose Our Format Conversion Tool?

Professional image format conversion technology providing you with the highest quality conversion experience

🔄

Multi-format Support

Supports conversion between 10+ mainstream image formats including JPG, PNG, WebP, GIF, BMP, HEIC.

⚡

Fast Conversion

Uses advanced local processing technology for fast format conversion, improving work efficiency.

🎯

High Quality Conversion

Uses advanced image processing algorithms to ensure converted images maintain original clarity and color.

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Privacy Security

All conversion processing is completed in your browser, images are not uploaded to servers, protecting privacy security.

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Completely Free

No registration required, no payment required, permanently free use of all conversion features.

📱

Cross-platform Compatible

Supports Windows, Mac, Linux, iOS, Android and all operating systems and devices.

Image Format Conversion Guide

Understand the characteristics and conversion advantages of different image formats

JPG Format Characteristics

JPG is the most commonly used image format, suitable for photos and complex images:

  • Relatively small file size, suitable for network transmission
  • Supports lossy compression with adjustable image quality
  • Wide device and software compatibility
  • Does not support transparent background and animation

PNG Format Advantages

PNG format supports transparent background, suitable for icons and design materials:

  • Supports full transparency and semi-transparency effects
  • Lossless compression, maintains perfect image quality
  • Supports indexed color and true color modes
  • File size usually larger than JPG

WebP New Features

WebP is a next-generation image format developed by Google:

  • 25-35% smaller than JPG, 80% smaller than PNG
  • Supports both lossy and lossless compression
  • Supports transparent background and animation features
  • Widely supported by modern browsers

Conversion Application Scenarios

Format conversion recommendations for different scenarios:

  • Website Optimization: Convert to WebP format to improve loading speed
  • Design Work: Convert to PNG to maintain transparency effects
  • Social Sharing: Convert to JPG to reduce file size
  • Printing Purposes: Convert to high-quality lossless format
  • Mobile Devices: Choose appropriate format based on compatibility

Frequently Asked Questions

Common questions about image format conversion

Will format conversion affect image quality?
This depends on the format combination being converted. Converting from lossless formats (like PNG) to lossy formats (like JPG) may result in slight quality loss. We provide quality setting options to help you find the balance between file size and quality.
Which image format conversions are supported?
Currently supports conversion between mainstream formats including JPG, PNG, WebP, GIF, BMP, HEIC, TIFF. We continuously add support for new formats.
Are images uploaded to servers during conversion?
No! All format conversion is completed locally in your browser, image files are not uploaded to our servers, completely protecting your privacy.
Will image dimensions change after conversion?
By default, converted images maintain the same dimensions. If you need to adjust dimensions, we also provide optional resizing functionality.