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Image Converter

Convert images online between PNG, JPEG and WebP, and turn SVG into PNG, with quality and size options. Convert several files at once in your browser.

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About the Image Converter

The Image Converter changes images between PNG, JPEG and WebP, plus AVIF where your browser supports it, and turns SVG graphics into PNG or other bitmaps at the size you choose. You can convert many files at once, set the quality for lossy formats and pick a background colour where transparency is not supported.

Images are processed in your browser with its built-in codecs, so your photos and screenshots are never uploaded.

How to use the Image Converter

  1. Drop images onto the box, paste them, or choose files (SVG works too).
  2. Choose the format to convert to, and the quality for JPEG, WebP or AVIF.
  3. For JPEG, pick the colour that replaces transparent areas; for SVG, pick the output width.
  4. Download each converted file, or use Download all.

Common mistakes

  • Converting JPEG to PNG to improve quality. A PNG made from a JPEG keeps the JPEG's artefacts and is usually much larger. Converting cannot bring back detail that was already lost.
  • Rasterising SVG too small. An SVG becomes a fixed-size bitmap when converted. Choose a width at least as large as the biggest size it will be shown at, or keep using the SVG.

Works well with the Image Converter

Frequently asked questions

Which format should I use?

WebP for most images on the web: it is smaller than JPEG and PNG and supports transparency. JPEG for photos that must open everywhere, including old software. PNG for screenshots, diagrams and images that need exact pixels.

What happens to transparency when converting to JPEG?

JPEG has no transparency, so transparent pixels are filled with the background colour you choose (white by default).

Why is AVIF missing from the list?

Converting to AVIF needs an AVIF encoder in the browser, which not every browser includes. The list shows only the formats your browser can create; viewing AVIF images is more widely supported than creating them.

Can I convert HEIC photos from an iPhone?

Only in browsers that can display HEIC, such as Safari. In other browsers, set your iPhone to save photos as "Most Compatible" (JPEG), or export them as JPEG first.