When Do You Need to Convert an Image?

Images come in many formats—JPG, PNG, WebP, GIF, BMP, TIFF—and each has its place. JPG is great for photos and small file sizes. PNG is ideal when you need transparency or sharp edges. WebP often beats both on size and quality but isn’t supported everywhere. Converting lets you pick the right format for the job.

You might need to convert because a website only accepts JPG, a print shop wants PNG, or you’re trying to shrink file size without resizing. Our image converter handles JPG, PNG, and WebP with quality control. If you need to change dimensions too, use our resize image online tool. To reduce file size without changing format, try our image compressor online.

JPG vs PNG vs WebP: Which Format to Choose?

JPG (or JPEG) is the most universal format. Cameras and phones use it. Email and social media love it. It’s lossy, so you trade quality for size. For photos, JPG at 80–90% quality is usually a sweet spot. PNG is lossless and supports transparency. Use it for logos, screenshots, and graphics with text. PNG files are larger than JPG for photos.

WebP gives you smaller files at similar quality to JPG and PNG, and it supports transparency. Most modern browsers handle it, but some older apps don’t. If your audience uses up-to-date software, WebP is worth it. Convert JPG to WebP for faster sites, or WebP to JPG when something only accepts JPG. Our convert image to JPG, PNG, WebP tool handles all three.

How to Convert Images Without Losing Quality

Going from PNG to JPG will lose transparency—transparent areas become a solid background. You can often choose that background color. JPG and WebP use lossy compression, so some detail is discarded. The quality slider controls how much: higher means better fidelity and a larger file; lower means a smaller file.

To minimise loss, start at 90% quality and only go lower if you need a smaller file. For PNG output, conversion is lossless. If you’re converting from a low-quality JPG, converting to PNG won’t restore the lost detail—it just preserves what’s there. For the best workflow, resize first with our resize image online tool if needed, then convert, then compress with our image compressor online if file size is still an issue.

Convert Images for Web, Email, and Print

For the web, format choice affects page speed and SEO. Convert oversized PNGs to JPG or WebP for smaller files. Many sites use WebP with JPG fallback. For email, attachment limits are strict. Converting a PNG screenshot to JPG can cut size in half. For print, some services prefer PNG or TIFF. Our tool handles JPG, PNG, and WebP; for other formats, check our image converter or dedicated tools like PNG to JPG and JPG to PNG.

Your Images Stay on Your Device

Lots of online converters upload your file to their servers, convert it there, and send it back. Your image—personal, work, or sensitive—sits on someone else’s machine. We don’t do that. Our image converter runs in your browser. Your file is read on your device, converted there, and you download the result. No uploads, no storage, no logs. The same is true for our resize image online, image compressor online, and all our tools—everything runs in the browser so your files stay private.