Image Compressor

Convert Image Format Online

Convert images between JPEG, PNG, and WebP formats instantly. 100% free, no signup required.

✓ JPEG to PNG ✓ PNG to JPEG ✓ PNG to WebP ✓ JPEG to WebP
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Drag & drop or click to upload

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Multiple Conversions

Convert between JPEG, PNG, and WebP formats. Choose the right format for your needs.

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100% Private

All conversion happens locally in your browser. Your images are never uploaded to any server.

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Instant Conversion

Powered by browser's native Canvas API. Convert images instantly without waiting.

Convert Your Images Now

Drop your images here

or click to browse

Supports JPEG, PNG, WebP, GIF

Converting...
✓ Image converted successfully Reduced image size by {{ compressionRatio }}%

Convert Options

Input image (original) Download
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type:
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size:
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Output image (converted) Download
name:
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type:
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size:
{{ output.size | prettySize }} ({{ ((1 - (output.size / input.size)) * 100).toFixed(2) }}% off)

Comparing images

How to Convert Image Formats

Convert your images in 3 simple steps

1

Upload Your Image

Drag and drop your image file or click to browse. Supports JPEG, PNG, WebP, and GIF input formats.

2

Choose Output Format

Select your desired output format (JPEG, PNG, or WebP) and adjust quality settings.

3

Download Result

Download your converted image instantly. See the file size change in real-time.

What is Image Format Conversion?

Image format conversion is the process of changing a digital image from one file format to another, such as converting a PNG to JPEG or a JPEG to WebP. Each format has different characteristics — JPEG offers small file sizes with lossy compression, PNG preserves transparency with lossless compression, and WebP provides the best of both worlds.

Converting between formats is essential for web optimization, compatibility, and meeting specific requirements. Our online converter handles all common formats directly in your browser for instant, private conversion.

How to Convert Image Formats Online

Converting image formats with our tool is quick and easy:

  1. Upload your image — Drag and drop or click to select your image file from your device.
  2. Choose output format — Select JPEG, PNG, or WebP as the output format. Adjust quality settings if needed.
  3. Download converted image — Your converted image is ready instantly with the new format extension.

All processing happens directly in your browser — no server uploads, no waiting, and complete privacy.

When to Use Each Image Format

JPEG — Best for Photographs

JPEG uses lossy compression to achieve small file sizes. It's ideal for photographs, complex images, and web graphics where transparency is not needed. JPEG is universally supported across all browsers and devices.

PNG — Best for Graphics with Transparency

PNG uses lossless compression and supports alpha channel transparency. It's perfect for logos, icons, screenshots, and images with text or sharp edges. PNG files are larger than JPEG but preserve every pixel.

WebP — Best for Modern Web

WebP is a modern format that offers 25-34% better compression than JPEG at equivalent quality. It supports both lossy and lossless compression, transparency, and animation. All modern browsers support WebP.

Image Conversion FAQ

Can I convert PNG to JPEG without losing quality?

Converting PNG to JPEG involves lossy compression, so some quality loss is inevitable. However, at 90% quality, the difference is usually imperceptible. The benefit is significantly smaller file size.

Will converting JPEG to PNG restore quality?

No. Once image data is lost through JPEG compression, converting to PNG cannot restore it. The PNG file will be larger but won't have better quality than the JPEG source.

Should I use WebP instead of JPEG?

WebP offers better compression than JPEG, meaning smaller files at the same quality. If your audience uses modern browsers (Chrome, Firefox, Edge, Safari), WebP is the better choice for web images.

Does format conversion preserve transparency?

Converting to PNG or WebP preserves transparency. Converting to JPEG removes transparency (replacing it with white). If you need transparency, always convert to PNG or WebP.

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