GIF Compression

If you've ever tried to upload an image and been told the file is "too large" or "wrong format," you already know why converting between PNG and JPG matters. These are the two most common image formats on the planet, and switching between them is one of those small tasks that should be simple — but most guides bury the answer under software ads and confusing jargon. This guide fixes that. You'll learn how to convert PNG to JPG and JPG to PNG using the free tools already built into your Mac and Windows PC, how to do it on your phone, and the fastest way to convert one image or hundreds at once in your browser. We'll also clear up the single biggest myth about this conversion — the one almost every tutorial gets wrong. If you just want it done right now, you can convert PNG to JPG online or use the JPG to PNG converter — both run in your browser, free, with no signup and no files ever uploaded to a server. Otherwise, read on for every method.

Image conversion online is the process of changing an image file from one format to another directly in your browser — no software to install, no account required. Transfonic supports 10 image formats, including JPG, PNG, WebP, HEIC, AVIF, GIF, BMP, TIFF, ICO, and SVG, converting between them in seconds for free.

Image optimization for the web is a great way to improve your page load speed, SEO and overall user experience. With Transfonic’s Free Image to Web Converter, you can quickly and easily convert your images to the web-optimized versions in formats such as WebP, JPEG, PNG, GIF… all online and free of charge with no registration necessary

SVG files are the gold standard for logos, icons, and illustrations. They scale to any size without losing sharpness because they store shapes as mathematical paths rather than pixels. But most platforms — social media, email clients, Microsoft Office, Google Docs — do not support SVG uploads. When you need your vector graphic to work everywhere, PNG is the format that solves it. Converting SVG to PNG turns your infinitely scalable vector into a fixed-resolution raster image that opens on any device, uploads to any platform, and embeds into any document without compatibility issues. The challenge is doing it correctly — preserving transparency, choosing the right resolution, and avoiding the blurry output that comes from using the wrong tool or the wrong settings. This guide covers five methods, explains exactly how to handle transparency and DPI, and shows you how to choose the right SVG output format for your specific use case. For the fastest conversion with no setup, use Transfonic's SVG to PNG converter — free, browser-based, no account required. For a full overview of every image format Transfonic supports, see the image conversion tools hub.