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There is no upload: The work happens in this tab. Your file never travels, so there is no copy of it anywhere but your own disk.
Nothing to delete later: Sites that upload promise to delete your file afterwards. That promise only matters because the file was theirs to hold.
It works with the Wi-Fi off: The honest test. Turn off your connection and the tools keep working, because everything they need is already here.

Drop your file hereto load the tools

Nothing is uploaded — the tools run right here

Applies to every loaded image

Look Strength 100% Brightness Contrast Saturation Vibrance Vignette

Max width Format Shape

Shape Size Across Down Border

Text Where

100%

Convert video to GIF — MKV files, without uploading

Turn a clip into an animated GIF, starting from MKV video — here in this tab, with nothing uploaded.

GIFs are made from clips that are often personal — a moment from a family video, a bug in an app you are reporting. None of it needs to be uploaded.

Does this work with MKV files?

Yes — that is what this page is set up for. MKV is the archivist's container: it holds anything, but few devices play it directly.

Why is my GIF so large?

GIF is a very old format with no real compression for video. Fewer frames, smaller dimensions and a shorter clip are the three ways down.

Does a GIF have sound?

No. The format has never supported audio.