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Free public tool

Convert images, audio, and video privately

Resize photos, change image or music formats, or turn a track into an audio-reactive waveform video — no account needed. Conversion happens on your device; files are uploaded only when you request a 24-hour share link.

Convert every file to

This format and these options are applied to all files you add next — set them once for the whole batch.

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These STL tools are completely free and run entirely in your browser — no signup, no uploads, no limits. If they saved you time, a coffee helps cover hosting and keeps them free for everyone.

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