Switch image formats without losing local control
JPEG, PNG and WebP each have trade-offs — JPEG suits photos, PNG keeps transparency, and WebP often gives the smallest file for web use. This converter switches between all three, either one image at a time or as a batch, with nothing uploaded.
How to convert an image
- Drop or select an image (or several, for batch mode).
- Pick the target format — JPEG, PNG, or WebP.
- For single-image conversion, adjust the quality slider if converting to JPEG or WebP.
- Click Convert and the file downloads immediately in the new format.
Choosing a format
- JPEG — best for photographs where small file size matters more than transparency.
- PNG — best when you need a transparent background or crisp edges on graphics/logos.
- WebP — typically the smallest file size at comparable quality, ideal for websites.
Why convert locally instead of using an upload-based site?
Many free image converters route your file through a remote server, which is unnecessary for a task the browser can do natively using the Canvas API. Processing locally means faster conversion (no upload/download round trip), no file-size caps tied to a server plan, and no copy of your image sitting on someone else's storage.
Will converting to JPEG lose transparency?
Yes — JPEG doesn't support transparency, so any transparent areas in a PNG will be filled in (typically with white) when converted.
Does batch convert support a quality setting too?
Batch convert uses a fixed high-quality setting for consistency across files. For precise control over a single image's quality, use the Single Convert option above it.
Does converting to WebP reduce image quality?
At the default quality setting, WebP typically looks visually identical to the source while producing a smaller file. Lowering the quality slider trades some detail for an even smaller file size.
Is there a limit to how many images I can batch convert?
There's no fixed server-side cap since everything runs in your browser — practical limits depend on your device's available memory when converting a very large batch at once.