Convert Image
Convert between JPG, PNG, WebP, and other formats
How to use Convert Image
Choose your format pair
Select the specific conversion you need from the format pair list below, such as PNG to JPG or HEIC to WebP.
Upload your image
On the conversion page, click the upload area or drag and drop your image.
Click Convert
The conversion runs instantly using optimized settings for your chosen format pair.
Download the converted image
Click Download to save the converted image to your device.
Drop an image here
JPG, PNG, WebP, AVIF, TIFF, GIF, BMP, HEIC
Max 50 MB
About image format conversion
Different image formats serve different purposes. JPG offers small file sizes for photographs with lossy compression. PNG preserves full quality with lossless compression and supports transparency. WebP delivers smaller files than both JPG and PNG with support for transparency and animation. AVIF provides cutting-edge compression at roughly half the file size of JPG. HEIC is the default format on iPhones and iPads. GIF supports simple animation, and TIFF is used in professional photography and printing workflows.
Converting between formats lets you optimize images for specific use cases — reducing file size for web pages, adding transparency for graphic overlays, or ensuring compatibility with platforms that only accept certain formats. All conversions run locally in your browser with no upload required. For an in-depth comparison of when to use each format, read our image format comparison guide.
Convert between specific formats
Choose a format pair for optimised defaults and format-specific guidance.
What is image format conversion?
Choosing an image format is a trade between file size, quality, transparency support, and how many things can open it. Conversion is how you move a file from one set of those trade-offs to another.
Utilavo offers dedicated converter pages for each format pair, with settings optimized for that specific conversion. Choose the pair that matches your source and target formats for the best results.
Compatibility forces the issue most often. HEIC is the iPhone default and remains awkward outside Apple's ecosystem, so photos regularly need to become JPG or PNG before a Windows application, web platform, or email client will accept them. PNG screenshots carrying an alpha channel they no longer need are dead weight beside an equivalent JPG. BMP and TIFF files from older scanners and cameras shrink dramatically when re-encoded to WebP or AVIF. Web asset pipelines target WebP for the same reason: fewer bytes at the same perceived quality.
Each image format has distinct characteristics that make it better suited for certain content types. JPG excels at photographs and complex images with smooth gradients, using lossy DCT compression. PNG preserves every pixel losslessly and supports alpha transparency, making it ideal for logos, icons, screenshots, and graphics with sharp edges or text. WebP offers both lossy and lossless modes with 25-35% smaller files than equivalent JPG or PNG. AVIF provides even better compression (up to 50% smaller than JPG) but has slightly less browser support. HEIC is Apple's default camera format, offering excellent quality at small sizes but limited compatibility outside the Apple ecosystem. For a detailed comparison, see our image format comparison guide.
Frequently asked questions
Which image formats are supported?
Supported input formats include JPG, PNG, WebP, AVIF, TIFF, GIF, HEIC, and BMP. Output formats include JPG, PNG, WebP, and AVIF depending on the conversion pair.
Which format should I use for web images?
WebP is the best choice for most web images — it is 25-35% smaller than JPG and supports transparency like PNG. AVIF is even smaller but has slightly less browser support. Use JPG for universal compatibility.
Does converting change the image dimensions?
No. Format conversion only changes the encoding, not the pixel dimensions. To resize an image, use the Resize Image tool.
Can I batch convert multiple images at once?
Each conversion page handles one image at a time. For batch processing, convert each image individually or use dedicated desktop software.
Will I lose transparency when converting PNG to JPG?
Yes. JPG does not support transparency. When converting a PNG with an alpha channel to JPG, transparent areas are filled with a solid background color (typically white). If you need to preserve transparency, convert to WebP instead, which supports transparency with smaller file sizes than PNG.
How do I convert HEIC photos from my iPhone?
iPhones save photos in HEIC format by default for better compression. To share them with Windows users or upload to platforms that do not accept HEIC, convert them to JPG or PNG. The HEIC to JPG conversion preserves full photo quality while producing a universally compatible file.
Related tools
Related guides
JPG vs PNG vs WebP vs AVIF: Which Image Format to Use
A detailed comparison of popular image formats covering compression, transparency, browser support, and the best use case for each format.
How to Optimize Images for Website Performance
Practical techniques for optimizing images to improve website loading speed, including resizing, compression, format selection, and responsive images.
Image Compression: Lossy vs Lossless Explained
Understand the difference between lossy and lossless image compression, quality settings, and when to use each approach for web, email, and print.
How to Convert HEIC Photos to JPG on Any Device
A complete guide to converting iPhone HEIC photos to JPG format for universal compatibility, including batch conversion and quality preservation tips.
Lossy vs Lossless Compression: When to Use Each
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How to Resize Images Without Losing Quality
Learn how to resize images while preserving sharpness, covering resampling algorithms, aspect ratio, DPI versus pixel dimensions, and the limits of upscaling.