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Image Converter

Image

Convert images between JPEG, PNG, and WebP formats entirely in the browser

Convert an image between JPEG, PNG, and WebP by redrawing it onto a canvas and re-encoding in the target format, useful for producing a smaller WebP for the web or falling back to JPEG when a platform's upload form doesn't accept WebP yet. It warns you about the specific loss involved in each conversion pair: converting PNG to JPEG fills any transparent area with a solid background color since JPEG has no alpha channel, and converting to JPEG from anything is a lossy step worth knowing about even if the size savings are worth it. Animated formats aren't supported at all; this only handles static images, so an animated GIF or animated WebP needs a tool built around frame-by-frame handling instead. Everything runs client-side through the Canvas API, with nothing uploaded anywhere.

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How to use Image Converter

  • 1.Drop in a PNG and convert it to WebP to get a smaller file size for web use while keeping visual quality.
  • 2.Convert a WebP image to JPEG or PNG when a tool or platform doesn't support WebP uploads.
  • 3.Batch-convert a handful of screenshots to a consistent format before adding them to a design document or repo.

Frequently asked questions

Is my image uploaded anywhere?
No, conversion happens entirely in your browser using the Canvas API — nothing is sent to a server.
Does converting PNG to JPEG lose transparency?
Yes, JPEG doesn't support transparency, so any transparent areas will be filled with a solid background color (typically white) during conversion.
Will converting to WebP always shrink the file?
Usually, since WebP's compression is generally more efficient than JPEG/PNG at similar quality, but results vary by image content — simple graphics with few colors sometimes stay similar in size.
Does it support animated images (GIF, animated WebP)?
No, this tool handles static image conversion only — animated formats need a dedicated video/GIF conversion tool since frame-by-frame handling is different.

Use via API, SDK, or MCP

Installpip install utilix-sdk
Usage# Image conversion runs in the browser only
# For server-side use Pillow:
# pip install Pillow
from PIL import Image
img = Image.open('input.png')
img.save('output.webp', 'WEBP')

Runs locally · no API key · no rate limits · Python SDK docs →

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