Convert JPG to PNG
Free JPG to PNG converter. Convert JPG images to lossless PNG format locally in your browser — no upload, no server, completely private.
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How to use JPG to PNG converter?
Upload your JPG files
Drag and drop your JPG images onto the drop zone, or click Select Files to browse. You can also click Select Folder to import an entire folder of JPG images at once.
Convert JPG to PNG
Hit the Convert button and the JPG to PNG conversion runs instantly in your browser via WebAssembly — fast, completely private, and no internet connection needed after the page loads.
Download your PNG files
Once the JPG to PNG conversion is done, download each PNG file individually, or use Download All / Download ZIP to save everything in one click.
Why use our JPG to PNG converter?
100% Local Processing
All conversion happens directly in your browser. Your images never leave your device — no uploads, no servers, complete privacy.
Batch Conversion
Convert dozens of JPG files to PNG in one go. Select multiple files or an entire folder and convert them all at once.
Fast and Lightweight
Powered by WebAssembly, the conversion engine runs at near-native speed right in your browser with no plugins required.
Lossless Output
PNG is a lossless format — no additional quality is lost during conversion. Stop further degradation and preserve your images exactly as they are.
Easy Download
Download converted images one by one, all at once, or as a single ZIP archive — whichever is most convenient.
No Installation Needed
Works entirely in the browser. No app, no extension, no account required. Just open the page and start converting.
Why convert AVIF to PNG?
Lossless quality — every pixel preserved
When you convert AVIF to PNG, nothing gets discarded. PNG's lossless compression means the output is pixel-perfect every time — ideal for design files, UI assets, and screenshots where accuracy matters.
Full transparency support
AVIF to PNG conversion retains full alpha channel transparency — including semi-transparent edges. Drop the PNG onto any background and it blends naturally, with no white fringing or solid borders.
Sharp edges and clean text
PNG handles hard lines, text, and high-contrast graphics perfectly. Converting AVIF to PNG ensures crisp edges and clean typography — exactly what you need for UI screenshots, illustrations, and icons.
Maximum compatibility
PNG is supported by virtually every device, application, and platform. If your converted AVIF image needs to work in an older tool, a design app, or an environment with limited format support, PNG is the safest output format.
Reliable color accuracy
PNG preserves color information without compression artifacts. For brand assets and design work where color fidelity matters, converting AVIF to PNG gives you a faithful, unaltered result.
About JPG and PNG file
JPG
Joint Photographic Experts Group
JPG (or JPEG) is the most widely used image format for photographs and web images. It uses lossy compression to reduce file size while maintaining acceptable quality. JPG is universally supported across all browsers, devices, and applications.
PNG
Portable Network Graphics
PNG was originally expanded as "PNG's Not GIF," and the name itself tells you that it has a lot to do with GIF. Before PNG appeared, GIF was the undisputed king of web images. Then, in the early 1990s, Unisys, the company that held the rights to GIF, suddenly announced that it would charge patent fees to all software developers whose products supported GIF. To break that commercial monopoly, developers created a new image format that was completely open, free from commercial control, and technically better than GIF: PNG. So why was PNG technically better than GIF? It used a two-step compression algorithm. The first step was predictive filtering, which is the real core of PNG compression. Instead of recording the original value of each pixel, it records the difference between the current pixel and nearby pixels. This means the image data ends up being stored as lots of small, similar values, which greatly improves compression efficiency. The second step was Deflate compression, which combines the LZ77 algorithm with Huffman coding, a highly stable compression method that has been thoroughly tested over time. PNG uses lossless compression, which means it preserves all pixel data for high fidelity, and it also supports an alpha channel, so it can store transparency information as well.