Convert your images between multiple formats including JPG, PNG, WebP, AVIF, and more. Our free online tool makes it easy to change image formats without losing quality. No Signup Required.
Convert your images to different formats with just a few clicks ✨
Converting your images to different formats is simple:
The conversion happens quickly and efficiently, giving you the flexibility to use your images in any format you need.
The evolution of image formats mirrors the fascinating tension between art and mathematics. When digital images first emerged in the 1980s, storage was so precious that early formats like PCX and BMP were designed purely for efficiency, with little regard for visual quality. The breakthrough came in 1992 when JPEG revolutionized digital photography by applying psychovisual principles—essentially exploiting limitations in human perception to discard information our eyes wouldn't notice anyway. What's particularly remarkable is how format wars have shaped the internet itself: in the late 1990s, the proprietary GIF format's licensing issues directly sparked the creation of PNG as an open alternative, demonstrating how intellectual property disputes can drive technological innovation. Perhaps most surprising is that modern formats like WebP and AVIF aren't just incrementally better than their predecessors—they represent fundamentally different mathematical approaches to representing visual information. While JPEG uses discrete cosine transforms, AVIF employs intra-frame encoding techniques borrowed from video compression. This cross-pollination between still and moving image technologies represents a profound shift in how we conceptualize digital imagery, blurring the once-clear boundaries between photographs and video frames.
The technical differences between image formats reveal fascinating trade-offs that few users ever consider. For instance, PNG's lossless compression algorithm uses a two-stage process combining prediction filters with DEFLATE compression—essentially making educated guesses about pixel values based on their neighbors, then compressing the differences. This approach works brilliantly for images with large areas of solid color but becomes inefficient for photographs with subtle gradients. Meanwhile, WebP achieves its remarkable efficiency through predictive coding borrowed from the VP8 video codec, treating images as single frames of a video. What's particularly intriguing is how different formats handle color depth: while JPEG typically operates in 8-bit color space (16.7 million colors), formats like PNG-16 support 48-bit color depth (281 trillion colors)—far exceeding what human eyes can distinguish but crucial for professional editing workflows where cumulative rounding errors can degrade images. The newest format revolution comes from AVIF, which employs sophisticated techniques like chroma subsampling with variable block sizes and non-linear color transforms. This allows it to make perceptually intelligent decisions about where to preserve detail versus where to compress aggressively, achieving what was once thought mathematically impossible: significantly smaller file sizes with visually indistinguishable quality compared to much larger JPEG files.
Our image converter supports a wide range of formats including JPG, JPEG, PNG, WebP, AVIF, GIF, BMP, TIFF, and more. You can convert between any of these formats easily.
Yes, you can upload images up to 10MB in size. For larger files, we recommend compressing them first or using our image compression tool.
Our converter maintains the highest possible quality during conversion. However, some format changes (like converting from lossless to lossy formats) may naturally result in some quality reduction.
Most conversions are completed within seconds. The exact time depends on the file size and the server load.
Yes, we take data security seriously. Your images are processed on our secure servers and are automatically deleted after conversion. We don't store your images permanently.
JPG is best for photographs and complex images with many colors, but uses lossy compression. PNG supports transparency and is lossless, making it ideal for graphics with text or sharp edges. WebP offers both lossy and lossless compression with smaller file sizes than JPG or PNG while maintaining similar quality.
WebP and AVIF are modern image formats that provide superior compression and quality compared to traditional formats like JPG and PNG. They can significantly reduce file sizes (up to 30% smaller than JPG) while maintaining visual quality, resulting in faster website loading times and better SEO performance.