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I ported yt-dlp to WebAssembly to create a 100% client-side media downloader

• TomatoProgram 6mo ago
  I wanted to see if I could build a video downloader that didn't rely on a massive backend to do the heavy lifting. I made www.ultimadownloader.xyz and the secret is that it runs yt-dlp via Pyodide and ffmpeg.wasm entirely in the browser. Feel free to poke around and give it a shot. I would love feedback and ideas on what to add later (I plan on adding more sites and such). If you find any issues, please let me know. It's not perfect but its something.
• sgbeal 6mo ago
  It crashes on the first video i tried: https://www.youtube.com/watch?v=XO9FKQAxWZc https://www.youtube.com/watch?v=XO9FKQAxWZc Relevant part: > ERROR: [youtube] XO9FKQAxWZc: Sign in to confirm you’re not a bot. Use --cookies-from-browser or --cookies for the authentication. See https://github.com/yt-dlp/yt-dlp/wiki/FAQ#how-do-i-pass-cookies-to-yt-dlp https://github.com/yt-dlp/yt-dlp/wiki/FAQ#how-do-i-pass-cook... for how to manually pass cookies. Also see https://github.com/yt-dlp/yt-dlp/wiki/Extractors#exporting-youtube-cookies https://github.com/yt-dlp/yt-dlp/wiki/Extractors#exporting-y... for tips on effectively exporting YouTube cookies The app provides no way to pass flags, though (and the browser is confirmed to be logged in to youtube).
  • TomatoProgram 6mo ago
    damn. ill have to look into that. im sorry it didnt work for you, but thank you for including the error with your comment.