Universal Downloader is a Windows app built on yt-dlp. A Flask server listens on 127.0.0.1 only, and the interface is a normal web page opened in your browser. In 1.4 I redesigned the shell without touching the logic: the only Python change is the version number; the rest is index.html, the help pages and the translations.
What changed
- Side rail. Tabs, the download folder, "Support the project", theme, help and language live in a panel on the left. The folder, which used to be on one tab, is now on all of them. On a phone the rail moves to the top and the tabs go in a row.
- Glass. Translucent cards on a colored background using
backdrop-filter: blur(). Browsers without it get solid cards through@supports. - Themes. Teal, light and dark.
- Input bar. Big, with the button inside; a long link or a list of links stretches the field.
- Download options as tiles across the card.
- Player. A dark "island" above the field that moves with the page; at the bottom on a phone.
- Help uses the same palette.
Fix: the registry can break your scripts
Flask serves static files with send_from_directory, and the file type comes from Python's mimetypes, which on Windows reads the registry (HKEY_CLASSES_ROOT\.js, Content Type). On some machines that value is text/plain. The server then sends the script with that type, and since responses carry X-Content-Type-Options: nosniff, the browser refuses to run it. No handlers get attached, so pressing Find just clears the field. The type is now explicit:
resp = send_from_directory(WEB, name, mimetype='text/javascript')
The translations file i18n.js is also embedded in the page, so it no longer depends on a separate script.
Download
- Zip: https://github.com/OlegChe77/universal-downloader/releases/latest/download/universal-downloader.zip
- Source and release notes: https://github.com/OlegChe77/universal-downloader
An installed copy offers to update itself (release check on GitHub, SHA-256 verification, rollback on failure).
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