Privacy notes
Clipiccolo has no account, no upload, no analytics and no server. It converts videos on your computer and never takes anything off it unless you paste a link for it to fetch. These notes say exactly what it reads, writes and downloads.
Back to the startWhat leaves your computer
Nothing, by default. Conversion is done by a bundled copy of ffmpeg that runs as a separate program on your PC. No video, name, size or setting is sent anywhere, and the app never contacts a server of its own; it has none.
A link you paste is downloaded from that address with Windows’ own curl.exe, saved to your output folder (or Downloads) and converted there. HLS playlists (.m3u8) are read by ffmpeg directly. The site you took the link from sees that download like any other.
The installer checks for Microsoft’s WebView2 runtime and, on the rare PC without it, downloads it from Microsoft. That is the only time the installer uses the network.
Downloads of Clipiccolo itself come from GitHub, so GitHub’s terms apply to that page.
The clipboard
Reading. With Settings → Convert copied videos on (the default), Clipiccolo looks at the clipboard once each time its window comes to the front. It acts only on a copy made since it last looked, and only when that copy is a video file, a file path or an http(s) link that looks like a video. Other text and images are ignored and not kept. Turn the switch off and the clipboard is read only when you press Ctrl+V in the window.
Writing. With Settings → Copy converted videos on (the default), the finished videos are put on the clipboard when a batch is done, the same way Explorer’s Ctrl+C does, so you can paste them anywhere. This replaces whatever was on the clipboard, like any copy. Copy, Copy all and Ctrl+C do the same on request.
What is stored on your computer
The app lives in %LOCALAPPDATA%\Clipiccolo (installer) or %LOCALAPPDATA%\Clipiccolo\<version> (portable exe, unpacked on first start), together with ffmpeg and its license.
Settings are one file, %APPDATA%\io.github.hubertmk.clipiccolo\settings.json: the chosen preset, the output folder, the two clipboard switches and whether the first-start tip has been shown. Nothing about your videos is recorded in it.
Converted videos are written next to the original as <name> - piccolo.mp4, or into the folder you chose. Downloaded links are saved in that folder too. While a conversion runs, a temporary file sits in the same place and is removed when it finishes or is cancelled.
No history, no logs, no cache. The list of videos in the window is gone when you close it.
Deleting
Remove Clipiccolo under Settings → Apps, or delete the portable exe and its folder. To remove the settings as well, delete %APPDATA%\io.github.hubertmk.clipiccolo. Converted videos are ordinary files in your folders; they stay until you delete them.
This website
This site is static. It sets no cookies, runs no analytics and loads nothing from third parties; the fonts are served from here. The download links lead to GitHub.
Questions
Clipiccolo is open source under the MIT license, so everything above can be checked in the source on GitHub. Questions and corrections are welcome as an issue.