Looking for a fast, simple way to download YouTube videos as MP3 files? Two of the most trusted tools out there are OnlyMP3 and YTMP3. While both serve the same basic purpose, converting YouTube videos to audio, they do so with slightly different features, strengths, and user experiences.
Let’s compare OnlyMP3 and YTMP3 feature by feature to help you decide which one’s right for your needs.
Purpose and Functionality
OnlyMP3 and YTMP3 are both designed to convert YouTube videos into downloadable formats, mainly MP3 (audio). They operate entirely within your web browser, meaning there’s no need to download or install software.
The core difference? YTMP3 offers both MP3 and MP4 downloads, while OnlyMP3 is focused exclusively on audio. If you’re looking for a lightweight, no-distractions audio converter, OnlyMP3 may be the better fit. But if you want the flexibility to save video, YTMP3 has the edge.
Conversion Speed
When it comes to speed, both tools are impressively fast. OnlyMP3 is optimized for quick MP3 conversions, you paste the URL, click once, and in seconds your file is ready. It’s highly responsive, especially for audio-focused users.
YTMP3, while equally fast, takes a few seconds longer when converting MP4 video files, which is understandable due to larger file sizes. For users primarily downloading audio, the speed difference between the two is almost negligible.
Interface & Usability
OnlyMP3 stands out with its minimalistic, clutter-free interface. It’s designed for users who value simplicity, no ads, pop-ups, or confusing buttons. Just paste the YouTube link, click convert, and download.
YTMP3 also offers a clean experience, though it includes format selection (MP3 or MP4) as an extra step. While not complex, it adds a layer of choice that some users may find helpful, and others might find slightly distracting if they just want audio.
Both are beginner-friendly, with intuitive layouts that make them accessible even for non-technical users.
Device Compatibility
Both tools are completely web-based, making them fully compatible with desktops, laptops, tablets, and smartphones. You can use OnlyMP3 and YTMP3 on Windows, macOS, Android, and iOS, all you need is a browser and an internet connection.
No app downloads are required, which means your device stays free from unnecessary software and possible risks.
Audio Quality
Audio quality is crucial when downloading music or podcasts. OnlyMP3 prioritizes high-quality MP3 output. Users consistently report crisp, clear sound, even from low-res YouTube sources. This tool focuses exclusively on audio fidelity, which gives it a slight advantage in sound quality.
YTMP3 also produces solid MP3 files with decent audio quality. While it supports video conversion as well, its audio results are generally on par with OnlyMP3 link. However, advanced audiophiles might notice that OnlyMP3’s streamlined audio handling offers slightly better consistency.
Privacy and Safety
Both platforms are safe to use, as long as you access the official websites. They do not collect personal information or require login credentials. There’s no software installation and no tracking, which is a major plus for privacy-conscious users.
However, OnlyMP3 tends to offer a more ad-free and distraction-free environment. YTMP3 may occasionally have some minor on-site advertising, but it’s far less intrusive than many other converters online.
File Format Options
If you’re only downloading audio, OnlyMP3 is laser-focused on MP3 files, it doesn’t support video formats, and that’s part of its simplicity. You know exactly what you’re getting.
YTMP3, on the other hand, provides two options: MP3 for audio and MP4 for video. This flexibility makes it ideal for users who sometimes need the video file along with audio, especially for educational content, tutorials, or entertainment clips.
Cost and Usage Limits
Both OnlyMP3 and YTMP3 are 100% free to use. There are no subscription plans, no hidden charges, and no daily limits on how many files you can convert or download.
This makes them ideal for both casual users and those who want to build an offline collection of music, talks, or content from YouTube.
Advanced Features
While both platforms are intentionally simple, OnlyMP3 goes one step further by offering cloud-saving options. After converting your file, you can choose to save it directly to Google Drive or Dropbox, a great feature for users who want to organize their files online or share them across multiple devices.
YTMP3 currently does not offer cloud integration but focuses more on providing MP4 support in addition to MP3.
Legality and Fair Use
It’s important to mention that both tools should be used for personal use only. Downloading copyrighted material without permission is against YouTube’s terms and may be illegal in some regions.
Always:
- Download non-copyrighted, royalty-free, or Creative Commons content.
- Use for personal offline use, not for redistribution or monetization.
Final Verdict: Which One Should You Use?
Choose OnlyMP3 if:
- You only want to download MP3 audio
- You prefer a clean, no-ad, no-distraction interface
- You want fast, high-quality audio downloads
- You like the option to save files to the cloud
Choose YTMP3 if:
- You need both MP3 and MP4 download options
- You occasionally want full video files
- You’re okay with a few extra steps for added flexibility
Both tools are free, fast, and effective, and which one is better comes down to your personal preference.