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upscale.tools icon

upscale.tools

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A free AI image upscaler that runs entirely in your browser. It enlarges images to 4x their width and height and saves a lossless PNG, with 2x and JPEG or WebP as export options. The image is never uploaded, and the tool keeps working offline after the first visit.

Before/after slider on a 4x result, processed in the browser (320x240 to 1280x960, nothing uploaded)

Cost / License

  • Free
  • Proprietary

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  • New

Platforms

  • Online
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upscale.tools was added to AlternativeTo by Zack-6521 on and this page was last updated .

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What is upscale.tools?

A free AI image upscaler that runs entirely in your browser. It enlarges images to 4x their width and height and saves a lossless PNG, with 2x and JPEG or WebP as export options. The image is never uploaded, and the tool keeps working offline after the first visit.

There is no account, no credits, no daily quota and no watermark. It accepts PNG, JPEG, WebP, GIF, BMP, AVIF, HEIC and TIFF, and is available in English, French, Spanish, German, Portuguese, Polish, Indonesian, Turkish, Arabic and Hindi. It suits anyone who needs a larger, sharper photo, screenshot or scan without sending it to a server.