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SWS Universe
Tiny utilities
JPG, PNG, WEBP. No uploads. No drama.

Image Converter

Convert images between JPG, PNG and WEBP directly in your browser. Useful for quick format changes without uploading files to the server.

Your images are processed locally in your browser.

Convert PNG, JPG and WebP Images

Convert JPG, PNG and WEBP images online. Easily convert PNG to WEBP, WEBP to PNG, JPG to WEBP, WEBP to JPG and other common image formats directly in your browser.

General converter JPG, PNG and WEBP JPG to PNG Convert JPG into PNG PNG to JPG Convert PNG into JPG JPG to WEBP Optimize JPG for web PNG to WEBP Optimize PNG for web WEBP to JPG JPG compatibility WEBP to PNG PNG compatibility

Convert images

Select one or multiple images and choose the output format.

Quality: 90%

Optional output resolution: enter width, height or both. If aspect ratio is enabled, the other value is adjusted automatically.
This background is used when converting transparent images to JPG, because JPG does not support transparency.

Fast local conversion without uploading files

This image converter runs directly in your browser. When you select a JPG, PNG or WEBP file, the image is loaded locally and processed with JavaScript using browser capabilities. That makes it possible to change format, adjust quality, resize the image and download the result without sending the file to our server.

The tool is useful when you need to quickly change an image format for a website, email, document, file-size reduction or when you need to convert a WEBP file into a more compatible format such as JPG or PNG.

Available formats

  • JPG: recommended for photos and images with many colors. It uses compression and usually creates smaller files.
  • PNG: useful for screenshots, graphics, sharp edges or when you need to preserve transparency.
  • WEBP: a modern web format. It can reduce file size while keeping good visual quality.

Conversion options

  • JPG/WEBP quality: lets you reduce file size by adjusting compression.
  • Resolution: you can enter a new width, height or both to resize the image.
  • Keep aspect ratio: prevents image distortion when resizing.
  • Background for transparency: used when converting a transparent image to JPG, because JPG does not support transparency.

Privacy

Images are processed locally in your browser. They are not uploaded to SWS Universe for conversion. If you close the page or reset the tool, the selected files are no longer available in the session.

Related guide

JPG vs PNG vs WebP: Which Format Should You Use?

Compare quality, transparency, compatibility and file size. Learn which format works best for photographs, logos, screenshots and websites.

  • When to use JPG, PNG or WebP.
  • What happens when converting between formats.
  • Which format usually creates smaller files.
Read the guide
Practical image workflow

What this converter is designed to solve

Image conversion is a small task that becomes annoying when a site asks for an account, uploads the file to a remote server, or hides the result behind extra steps. This tool is designed for the common cases: a photo that should be lighter, a WebP image that needs to become JPG or PNG, a screenshot that should keep sharp edges, or a transparent PNG that has to be converted for a system that only accepts JPG.

The important decision is not only the target format. It is also the trade-off between file size, transparency, visual quality and compatibility. The controls on this page keep those decisions visible instead of turning conversion into a black box.

Good use cases

  • Prepare images for web pages, forms, emails or documentation.
  • Reduce file size before sending an image to someone.
  • Convert WebP assets into JPG or PNG when an older system does not accept WebP.

Before you convert

  • Keep the original file if the image is important.
  • Use PNG when transparency or sharp interface details matter.
  • Use JPG or WebP when photographic file size is the main concern.

Privacy note

  • The selected image is handled by the browser session.
  • The conversion does not require a user account.
  • Closing or resetting the page removes the selected file from the current session.

Frequently asked questions

Are my images uploaded to the server?

No. Conversion happens in your browser using JavaScript. Your images are not uploaded to SWS Universe.

Which formats are supported?

This version supports JPG, PNG and WEBP as the main formats.

Can I convert multiple images?

Yes. You can select multiple images and convert them to the chosen format.

Does the image lose quality?

PNG preserves visual quality better, while JPG and WEBP use compression. You can adjust quality for JPG and WEBP.