ImageConverterTool
Convert images in your browser
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N L (NASA)

ImageConverterTool - Convert images in your browser

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Most image converters work the same way: upload your file, wait for it to travel to a server, download the result. You have no idea what happens to your files in between. ImageConverter works differently. Everything runs locally in your browser using the Canvas API and WebAssembly. No upload. No server. No wondering. It's also faster. Conversion starts the moment you drop a file. No server queue, no waiting on bandwidth. Built by one developer. Free, no signup required.

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N L (NASA)
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Hey PH! 👋 I'm Nasa, the developer behind this. I built this because I kept needing to convert images and hated not knowing what online converters were doing with my files. The local-processing approach wasn't a technical challenge — modern browsers can handle image encoding natively. It just took someone being annoyed enough to build it. Happy to answer any questions about how the HEIC conversion works or what's coming next (AVIF support is in progress). Thanks for checking it out!