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Convert images between formats

Convert images between PNG, JPEG, WebP and AVIF with adjustable quality, right in your browser. Free, fast, and your photos are never uploaded.

  • Files never leave your device
  • Free, no sign-up
  • No watermark
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About Image Converter

Change any image into the format you need. Drop in a PNG, JPEG, WebP, GIF, BMP or other image your browser can open, choose PNG, JPEG, WebP or AVIF as the output, set the quality and download the result. Modern formats such as WebP and AVIF are often far smaller than JPEG or PNG at the same visual quality, which makes pages load faster. Everything is converted on your device.

How to use Image Converter

  1. 1

    Drop an image onto the tool or click to choose one.

  2. 2

    Choose the output format: PNG, JPEG, WebP or AVIF.

  3. 3

    Adjust the quality slider for lossy formats.

  4. 4

    Click Convert, compare the sizes and download the new image.

Why use this tool

  • Four output formats including modern WebP and AVIF.
  • Reads any image your browser can display, including GIF and BMP.
  • Quality slider for JPEG, WebP and AVIF.
  • Transparent images are flattened onto white only when converting to JPEG.
  • Private, free and unlimited.

Frequently asked questions

WebP is supported by every modern browser and is usually much smaller than JPEG or PNG. AVIF can be smaller still but takes longer to encode.

Some browsers cannot encode AVIF yet. Use Chrome or Edge, or choose WebP instead.

PNG, WebP and AVIF keep transparency. JPEG has no transparency, so transparent areas become white.

No. Only the format and compression change. Use Resize Image to change dimensions.

No. Your images are processed by your own browser and never sent to CodeMites or any other server.

Yes. There is no account, no watermark and no usage limit. The tool runs in your own browser, so there is no server cost to charge you for.

Yes. It runs in any modern browser on Android and iOS as well as on Windows, macOS and Linux, with nothing to install.

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