Ycat › 下载器 › YouTube
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YouTube Download

Save YouTube tutorials, music, podcasts or travel vlogs for offline viewing. Ycat resolves public YouTube links at up to 4K, extracts MP3 audio, subtitles and covers — no login, nothing stored.

How to download from YouTube?

  1. Copy the share link of the YouTube video / photo / post you want to save (tap "Share → Copy link" in the app).
  2. Open the Ycat online downloader and paste the link into the box.
  3. Hit "Parse & Download" — our multi-engine engine detects YouTube and extracts video / audio / cover / subtitles.
  4. Pick a quality and download. Files are deleted right after download; we keep nothing.
Open Ycat Downloader →

What formats are supported?

Video: MP4 / MOV / WebM, multiple qualities up to original.
Audio: MP3 / FLAC / M4A / AAC, extract the track only.
Cover: original / HD thumbnail in one click.
Subtitles: SRT / VTT in multiple languages.

FAQ

Q:Do I need to log in to download YouTube?
A:Most public content works without login. For HD or restricted content, paste that platform's cookie in "Advanced" — stored only on your device, used once, never saved.

Q:Do you keep my download history or files?
A:No. The server is stateless: tasks live in memory and files are deleted after download. Privacy first.

Q:Does it support batch downloads?
A:Yes — paste multiple links for queued concurrent downloads, and full playlists / albums too.

Compliance:This tool is for personal learning, backup and fair use only. Respect each platform's Terms of Service and local laws, credit original creators, and do not re-upload, redistribute or monetize. Rights holders may file takedowns via our DMCA channel.