Convert PNG to WebP
Turn PNG files into WebP for better web performance, processed entirely in your browser.
Drop images here
Or use the buttons below to select files or a folder
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How to use PNG to WEBP converter?
Upload your PNG files
Drag and drop your PNG images onto the drop zone, or click Select Files to browse. For png to webp bulk conversion, click Select Folder to queue an entire directory at once — no upload and no server wait.
Convert PNG to WebP
Adjust the WebP quality setting if needed, then hit Convert. This png to webp converter processes everything locally in your browser via WebAssembly — fast, private, and usable offline after the page loads.
Download your WebP files
Once you convert png to webp, download each WebP individually, or use Download All / Download ZIP to save everything in one click.
Why use our PNG to WEBP converter?
100% Local Processing
Every png to webp conversion stays in your browser. Files never leave your device — no uploads, no cloud queues, no privacy trade-off.
Bulk PNG to WebP Conversion
Use this png to webp converter to process entire folders in one run. Select multiple files or a full directory and convert everything together.
Smaller Files for Faster Pages
WebP is built for the web. Lossless WebP is often smaller than PNG, and lossy WebP can shrink photo-like PNGs much further for faster delivery.
Transparency Stays Intact
Need a transparent background? WebP supports alpha in both lossless and lossy modes, so icons, cutouts, and UI assets keep their transparency after you change png to webp.
Lossless or Lossy Output
Choose the mode that fits the image. Use lossless WebP for pixel-accurate results, or lossy WebP when file size matters more than exact reproduction.
Flexible Download Options
After you convert PNG to WebP, download files one by one, all at once, or as a ZIP archive — whatever matches your workflow.
Why convert PNG to WebP?
Smaller files without giving up transparency
PNG is dependable, but it gets heavy fast on the web. WebP keeps transparency and usually stores the same image more efficiently, which is exactly why png to webp is such a common optimization for product shots, UI assets, and overlays.
A better fit for modern web delivery
Browsers, frameworks, and CDNs all understand WebP well today. If the image is headed to a website, a png to webp converter is often the quickest way to trim bandwidth without reworking the design.
Choose lossless or lossy based on the image
This is where WebP beats PNG on flexibility. You can convert png to webp in lossless mode for screenshots, logos, and sharp interface graphics, or use lossy mode for photo-like PNGs when size matters more than mathematical pixel identity.
Batch-convert large PNG libraries quickly
If you need to change png to webp across a folder of exports, this tool can process the whole batch locally in one session. That is much faster than exporting files one by one from a design app.
Private conversion with no upload step
The entire png to webp conversion runs in your browser via WebAssembly. No account, no upload, no file retention — useful when the images contain client work, drafts, or anything sensitive.
About PNG and WebP file
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.
WebP
Web Picture Format
WebP is a modern image format developed by Google for the web. It supports both lossy and lossless compression, as well as transparency and animation. WebP files are typically 25–35% smaller than JPG or PNG at equivalent quality.