Image Converter: PNG ↔ WebP ↔ JPEG
Processed in your browserConvert one image or a whole batch between PNG, WebP and JPEG. Everything happens in your browser — files are never uploaded anywhere.
Format-specific converters
Drop images here
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Supported formats: PNG, JPG, WEBP, AVIF, HEIC.
You can also paste images with Ctrl+V.
About the formats
PNG is lossless and supports transparency, which makes it the right choice for screenshots, interface graphics and anything with sharp edges or text. The trade-off is size: photographic images stored as PNG are several times heavier than they need to be.
JPEG is the classic lossy format for photographs. It compresses gradients and natural scenes extremely well, but it does not support transparency. When you convert a transparent PNG to JPEG here, transparent areas are flattened onto the background color you choose.
WebP is the modern replacement for both. It supports transparency like PNG and compresses like JPEG or better, typically producing files 25–35% smaller than an equivalent JPEG. All current browsers display WebP, so it is the default choice for images headed to the web.
Because conversion runs on your device, there are no queues, no size limits imposed by a server, and no copy of your images anywhere else. The only practical limit is how much memory your browser is willing to give one tab.
Frequently asked questions
Are my images uploaded to a server?
No. Conversion happens entirely in your browser using the built-in canvas encoder. You can disconnect from the internet after the page loads and the tool will keep working.
Which conversion should I choose for a website?
Use WebP in almost every case: it handles both photos and transparency, and produces the smallest files. Keep PNG only when you need lossless pixels, and JPEG when you must support very old software.
What happens to transparency when I convert to JPEG?
JPEG cannot store transparency, so transparent pixels are flattened onto a background color. You can pick white or black in the settings before converting.
Does converting to JPEG or WebP reduce quality?
Both are lossy formats, so some detail is discarded — that is what makes files small. At the default quality of 90 the difference is practically invisible. Converting to PNG is always lossless.
Is there a limit on file count or size?
No hard limits are imposed by the tool. Very large images depend on your device's memory, but ordinary photos convert in a fraction of a second each.