Convert images between JPG, PNG and WebP in your browser, with a quality control for the lossy formats.
How to use the Image Converter
Choose an image from your device.
Pick the target format and quality.
Convert and download the result.
This tool turns JPG, PNG, WebP and other formats into JPG, PNG or WebP, with a quality slider for the lossy outputs. Pick an image, choose the target format, and download the result.
Converting format is a constant need: turning a WebP you saved into a JPG an app will accept, flattening a PNG to JPG to cut its size, or moving photos to WebP to shave bandwidth on a website.
The conversion runs entirely in your browser, so your images never leave your device.
It reads any image your browser can open and exports to the three main web formats using the Canvas API, so it is instant. JPG flattens transparency onto a white background, while PNG and WebP both keep transparency intact.
Choosing well depends on the image: JPG suits photographs, PNG suits graphics, screenshots and anything with transparency or sharp edges, and WebP usually gives the smallest file at a similar quality, which is why it is popular for the web.
For the lossy formats (JPG and WebP), the quality slider trades detail against file size. PNG is lossless, so it keeps every pixel but produces larger files for photos.
Frequently asked questions
No. The conversion runs entirely in your browser with the Canvas API, so your image never leaves your device.
It reads any image your browser can open and exports JPG, PNG or WebP. JPG flattens transparency onto white; PNG and WebP keep it.
JPG suits photos, PNG suits graphics and transparency, and WebP usually gives the smallest file at similar quality.
Converting to a lossy format (JPG or WebP) re-encodes the image, so very high compression can soften it. PNG is lossless and keeps every pixel.
PNG and WebP preserve transparency. Converting to JPG removes it by placing the image on a white background, since JPG has no transparent channel.
Embed this tool
Add this tool to your own website. Copy the snippet below; it stays up to date automatically.
<iframe src="https://monu.tools/embed/en/image-converter" width="100%" height="640" style="border:1px solid #e5e5e5;border-radius:12px;max-width:680px" loading="lazy" title="Monu Tools"></iframe>Learn more
Image Formats for the Web: JPEG, PNG, WebP, and AVIF
What sets JPEG, PNG, WebP, and AVIF apart, how much smaller the modern formats are, and a simple rule for which one to use.
How to Compress Images Without Losing Quality
What image compression really trades away, where the quality sweet spot is, and the steps that shrink a file without a visible drop.
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