JPG to WEBP Converter

Convert JPG images to modern, smaller WEBP files instantly in your browser.

FreeBrowser-basedInstant

Your files are processed locally in your browser and are not uploaded to our servers. The conversion happens in your browser using the Canvas API — your image is decoded, redrawn to a canvas, and re-encoded as WEBP without ever leaving your device.

How to use JPG to WEBP Converter

Choose a JPG file, adjust the output quality if you'd like, and convert it to WEBP. The conversion runs entirely on your device using the browser's Canvas API — pick a file, preview the result, and download it. Nothing is uploaded anywhere.

Key features

  • Fully client-side conversion — no upload, no waiting on a server
  • Also converts PNG, GIF, BMP, AVIF, and HEIC/HEIF (iPhone photos) to WEBP, JPG, or PNG
  • Adjustable output quality
  • Before/after file size comparison
  • Instant preview of the converted image
  • Safe file validation using the actual file signature, not just its extension

Practical use cases

  • Shrinking JPG photos before publishing them on a website
  • Preparing smaller images for faster-loading web pages
  • Converting camera or screenshot JPGs to a modern, widely supported format

Supported formats

Accepted: jpg, jpeg — Output: webp

Limitations

  • Files larger than 20 MB are not accepted, to avoid running out of browser memory
  • Requires a browser with Canvas-based WEBP encoding support
  • Animated or multi-frame images are not supported (WEBP output is a single still frame)

Frequently asked questions

How do I convert a JPG to WEBP online for free?
Drop your JPG or JPEG file into the box above (or click to browse), optionally adjust the quality slider, click "Convert to WEBP," and download the result. There's no sign-up, no watermark, and no file is ever uploaded to a server.
Is my image uploaded to a server?
No. The entire conversion happens locally in your browser using the Canvas API. Your image never leaves your device.
Why is my converted file larger than expected, or my browser says WEBP isn't supported?
A small number of older browsers don't support encoding WEBP images from a canvas. If that happens, this tool shows a clear message instead of producing a broken file — try updating your browser or using a recent version of Chrome, Firefox, Edge, or Safari.
What quality setting should I use?
90 is a good default that keeps most images visually identical to the original while still shrinking the file size. Lower the quality slider for smaller files if some visible compression is acceptable.

Part of Image Tools