If you’ve been searching for alternatives to popular tools like YT1s, MP3Juice or YtMp4, here are five online converter-sites worth knowing (as of 2025). These support keywords such as YouTube Downloader, YouTube converter, MP3 juices, Tubidy and similar. Use with caution, and always respect copyright.

1) YT1s

YT1s is a simple web-based YouTube converter where you paste a YouTube link, pick format and quality, and download.
Why it stands out:

• Supports multiple formats (MP3, MP4, WEBM, etc) and quality options.
• No registration required.
  Things to watch:
• Like many free YouTube downloader tools, it may have intrusive ads or pop-ups.
• The website may change domains or go offline (converter sites tend to be unstable).

2) MP3Juice

MP3Juice is a site that’s widely referenced in lists of free YouTube-to-mp3 / mp4 converter tools.
Why it stands out:

• Known for converting YouTube videos into audio (MP3) format easily.
• Lots of users reference it when searching for “MP3 juices” or similar.
  Things to watch:
• The domain and availability change frequently due to legal and enforcement pressures.
• Quality and safety can vary (ads, potential redirects).

3) Tubidy

Though originally more of a mobile-friendly audio/video-downloading portal, “Tubidy” is often used as a keyword in the YouTube-converter ecosystem.
Why it stands out:

• Mobile-friendly layout, useful for downloading on phones.
• Supports multiple formats and platforms.
  Things to watch:
• As with many such sites, reliability and domain stability can be issues.
• The legality is ambiguous — many “Tubidy” portals operate in grey zones.

4) Y2Mate

While not your exact initial keywords, Y2Mate frequently appears in 2025 lists of “free YouTube to MP3/MP4 converter” sites and works similarly.
Why it stands out:

• Supports both audio (MP3) and video (MP4) downloads.
• Good compatibility with many devices and browsers.
  Things to watch:
• Many free converter sites like this one have heavy ad loads or bundled redirections.
• Always verify you are on a safe domain (spoofed sites exist).
  Best for: Versatile use where you might want either MP3 audio or MP4 video from YouTube links.

5) YTMP3

YTMP3 is listed among “safest free YouTube to MP3 download sites (2025 tested)” in several round-ups.
Why it stands out:

• Very simple interface: paste YouTube URL → choose MP3 or MP4 → download.
• Suitable for beginners.
  Things to watch:
• Limited features (for example, often no batch downloads or no advanced format options).
• Audio quality may sometimes be lower or inconsistent.
  Best for: Users who want something extremely simple and fast for one‐off conversions.

Tips for Using YouTube Converter Sites

• Use a reputable browser and antivirus: Many free converter sites carry pop-ups or risk of unwanted downloads.
• Check you have the right to download: If the video is copyrighted and you don’t have permission, downloading could violate the platform’s terms or copyright law.
• Prefer mobile-friendly formats: If you’ll play the downloaded file on a phone/pad, MP3 is usually good; if you want video, MP4 is standard.
• Be cautious of domain changes: Many “YouTube downloader” websites change domain names frequently due to enforcement or blocking.
• Quality matters: Some converters may offer only low-bitrate audio (e.g., 128 kbps) or limited resolution — check if you need higher quality.

Final Thoughts

While tools like YT1s, MP3Juice, Tubidy, Y2Mate and YTMP3 offer convenient “YouTube converter/YouTube downloader” services, the landscape in 2025 is volatile: sites may appear and disappear, ads may be more aggressive, and legality remains grey. Use them wisely, preferably for content you are allowed to download, and always keep your device security in mind.