Image Format Converter
Convert images between PNG, JPEG, and WebP formats instantly. All processing happens in your browser.
Drop your image here, or click to browse
Supports JPEG, PNG, WebP, GIF
How to Convert Image Formats
- 1
Upload Your Image
Select a JPEG, PNG, or WebP image you want to convert.
- 2
Select Target Format
Choose your desired output format: PNG for transparency, JPEG for photos, or WebP for web.
- 3
Adjust Quality
Set the quality level for lossy formats (JPEG, WebP). Higher quality means larger file size.
- 4
Download Converted Image
Click Convert and download your image in the new format.
Image Format Conversion Explained
Different image formats serve different purposes, and choosing the right one can dramatically affect file size, quality, and compatibility. JPEG uses lossy compression and is best for photographs with millions of colors and smooth gradients. PNG supports full alpha transparency and lossless compression, making it ideal for logos, icons, screenshots, and graphics with sharp edges. WebP is Google's modern format that offers 25–35% better compression than JPEG at equivalent quality, with support for both lossy and lossless modes plus transparency.
Converting between formats lets you optimize images for specific use cases and platforms. A PNG screenshot that weighs 2MB can become a 400KB WebP file for your website, dramatically improving page load speed. A JPEG photo can be converted to PNG when you need to preserve transparency for overlaying it on different backgrounds. Converting legacy BMP or TIFF files to modern web formats reduces storage costs and improves compatibility across browsers and devices.
The ToolPix image format converter uses the browser's built-in Canvas API for instant, high-quality conversion. Your files are processed entirely on your device with zero server uploads, ensuring complete privacy for sensitive or proprietary images. The tool preserves image dimensions during conversion and provides a side-by-side size comparison so you can see exactly how much space you save by switching formats.
Whether you are a web developer optimizing assets for faster page loads, a designer preparing graphics for different platforms, or simply need to convert a file to meet an upload requirement, this free online image converter handles JPEG, PNG, and WebP conversions with adjustable quality settings. No registration, no watermarks, and no daily limits — just fast, private, browser-based image format conversion.
Key Features
Common Use Cases
- •Convert PNG screenshots to WebP for 50-80% smaller website images
- •Save JPEG photos as PNG when you need lossless archival copies
- •Batch convert legacy BMP or TIFF files to modern web formats
- •Convert images to WebP for faster page loads and better SEO
- •Switch formats to meet platform-specific upload requirements
Frequently Asked Questions
What is the difference between JPEG, PNG, and WebP?
JPEG uses lossy compression, best for photos. PNG uses lossless compression and supports transparency, ideal for graphics. WebP supports both lossy and lossless modes with 25-35% better compression than JPEG.
Which format is best for websites?
WebP is the best choice for web images — it offers the smallest file sizes with good quality. All modern browsers support WebP. Use PNG only when you need transparency that WebP doesn't suit.
Does converting between formats reduce quality?
Converting to a lossy format (JPEG, lossy WebP) reduces quality slightly. Converting to PNG is lossless. Avoid converting between lossy formats multiple times, as quality degrades with each conversion.
Can I convert images with transparent backgrounds?
Yes. When converting to PNG or WebP, transparency is preserved. Converting to JPEG replaces transparency with a white background since JPEG doesn't support transparency.
Are my files uploaded to any server?
No. The conversion happens entirely in your browser using the Canvas API. Your images never leave your device.
Can I convert HEIC or HEIF photos from my iPhone?
HEIC/HEIF support depends on your browser. Safari supports HEIC natively. On Chrome or Firefox, you may need to first convert HEIC to JPEG using your device's built-in tools before uploading.
What is the best format for images with text or screenshots?
PNG is best for screenshots and images with text because it uses lossless compression that preserves sharp edges. JPEG compression can create visible artifacts around text and straight lines.
Does converting PNG to WebP keep transparency?
Yes. WebP supports alpha transparency just like PNG. Converting a transparent PNG to WebP preserves the transparency while typically reducing file size by 25-35%.
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