OmniTools360*

Image Format Converter

image toolsAIR-GAPPED

Convert images between JPG, PNG and WebP in your browser, with quality control and batch conversion.

JPG, PNG, WebP, GIF (first frame), BMP, AVIF and other formats your browser can open. Processed 100% in your browser.

Max file size: 50 MB • In-Browser Execution

About Image Format Converter

The OmniTools360 Image Format Converter changes images into JPG, PNG or WebP for free, right in your browser. You can convert several files at once, set the quality for JPG and WebP, and compare the file size before and after. Your images are never uploaded to a server.

How does the Image Format Converter work?

Each image is decoded by your browser, drawn onto a canvas at its original width and height, and re-encoded in the format you choose. Any format your browser can open works as input, including JPG, PNG, WebP, GIF (first frame only), BMP and, in most current browsers, AVIF.

Explanation

JPG is lossy and has no transparency, so it suits photos and gives small files. PNG is lossless and keeps transparency, so it suits logos, screenshots and graphics but makes larger files for photos. WebP supports both lossy compression and transparency and is usually smaller than JPG at similar quality. Converting does not change the pixel dimensions.

How to use the Image Format Converter

1

Click Select images and choose one or more pictures, or drag them in.

2

Pick the output format under Convert to: JPG, PNG or WebP.

3

For JPG or WebP, adjust the Quality slider.

4

For JPG, keep White background for transparent areas on if your images have transparency.

5

Click Convert, then use the Download button next to each image.

Image Format Converter examples

Screenshot PNG to JPG
A 2.4 MB PNG screenshot converted to JPG at 85% quality often drops to a few hundred KB, depending on the content.
WebP to JPG for compatibility
Convert a WebP image downloaded from a website to JPG so it opens in older apps or can be uploaded to forms that only accept JPG.
Transparent logo to JPG
Convert a transparent PNG logo to JPG with the white background option on, so transparent areas become white instead of black.

Frequently Asked Questions about Image Format Converter

How do I convert PNG to JPG?

Select your PNG files, choose JPG under Convert to, set the Quality slider, and click Convert. Each converted file gets a Download button with a .jpg extension. If the PNG has transparent areas, keep the white background option on, because JPG cannot store transparency.

Does converting an image reduce its quality?

Converting to PNG keeps every pixel exactly as decoded, so there is no further loss. Converting to JPG or WebP uses lossy compression, and lower quality settings make smaller but softer images. A setting around 80 to 90 percent is usually hard to tell apart from the original for photos.

Can I convert animated GIFs?

Only the first frame of an animated GIF is converted. The tool draws the image onto a canvas, which captures a single still frame, so the result is a static JPG, PNG or WebP. Animation is not preserved. Static GIF images convert normally with no loss of content.

Why is my converted file larger than the original?

This usually happens when converting a compressed photo to PNG, or re-saving a JPG at a higher quality than it was saved with. PNG is lossless, so photos become much bigger. Choose JPG or WebP with a lower quality value if you want a smaller file than the original.

Are my images uploaded to a server?

No, all conversion happens inside your browser using the built-in canvas feature. Your images are never uploaded, stored or seen by anyone else, and the tool keeps working with your files even on a slow connection once the page has loaded. Closing the tab clears everything.